Attachment CAD-I-22-A Chart A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Electrical Occurrence Electrical Result Outage of Sandy Spring - High Ridge #34 230 kV line Outage of Burches Hill Possum Point 500 kV line Outage of Sandy Spring - High Ridge #14 230 kV line Outage of the parallel Burches Hill 500/230 kV transformer Outage of Kammer - South Canton 765 kV line Outage of Brighton - Doubs 500 kV line Outage of Meadow Brook Loudoun 500 kV line Outage of Bath County - Valley 500 kV line Outage of Conemaugh Keystone 500 kV line Outage of Bedington - Black Oak 500 kV line Outage of Jacks Mountain Juniata #1 500 kV line Outage of Jacks Mountain Juniata #2 500 kV line Outage of 502 Junction - Mt. Storm 500 kV Outage of Keystone - Jacks Mountain 500 kV line Outage of 502 Junction - Mt. Storm 500 kV Outage of Bedington - Black Oak 500 kV line Outage of 502 Junction - Mt. Storm 500 kV Outage of Bedington - Black Oak 500 kV line Outage of Conemaugh - Jacks Mountain 500 kV line Outage of 502 Junction - Mt. Storm 500 kV Outage of Dooms - Lexington 500 kV line Outage of Bedington - Black Oak 500 kV line Outage of Bath County - Valley 500 kV line Sandy Spring - High Ridge #14 230 kV exceeds its emergency rating and overloads (2014) Dickerson - Pleasant View 230 kV exceeds its emergency rating and overloads (2014) Sandy Spring - High Ridge #34 230 kV exceeds its emergency rating and overloads (2014) Burches Hill 500/230 kV transformer exceeds its emergency rating and overloads (2014) Kammer - West Bellaire 345 kV exceeds its emergency rating and overloads (2014) Pleasant View 500/230 kV transformer exceeds its emergency rating and overloads (2014) Mt. Storm - Doubs 500 kV exceeds its emergency rating and overloads (2015) Lexington - Dooms 500 kV exceeds its emergency rating and overloads (2015) Keystone - Jacks Mountain 500 kV exceeds its emergency rating and overloads (2016) Mt. Storm - Doubs 500 kV exceeds its emergency rating and overloads (2016) Jacks Mountain - Juniata #2 500 kV exceeds its emergency rating and overloads (2016) Jacks Mountain - Juniata #1 500 kV exceeds its emergency rating and overloads (2016) Pruntytown - Mt. Storm 500 kV exceeds its emergency rating and overloads (2017) Keystone - Conemaugh 500 kV exceeds its emergency rating and overloads (2017) Pruntytown - Mt. Storm 500 kV exceeds its emergency rating and overloads (2017) Mt. Storm - Doubs 500 kV exceeds its emergency rating and overloads (2019) Pruntytown - Mt. Storm 500 kV exceeds its emergency rating and overloads (2019) Mt. Storm - Doubs 500 kV exceeds its emergency rating and overloads (2020) Keystone - Jacks Mountain 500 kV exceeds its emergency rating and overloads (2020) Pruntytown - Mt. Storm 500 kV exceeds its emergency rating and overloads (2022) Bath County - Valley 500 kV exceeds its emergency rating and overloads (2022) Mt. Storm - Doubs 500 kV exceeds its emergency rating and overloads (2022) Lexington - Dooms 500 kV exceeds its emergency rating and overloads (2022) Rating (MVA) Normal / Emergency 790/941 1118/1200 790/941 1170/1340 971/971 968/1018 2568/2598 2913/2913 2932/3723 2568/2598 2932/3723 2932/3723 2731/3372 2932/3723 2731/3372 2568/2598 2731/3372 2568/2598 2932/3723 2731/3372 3424/3424 2568/2598 2913/2913 PJM Reliability Test Mid-Atlantic Load Deliverability Mid-Atlantic Load Deliverability Mid-Atlantic Load Deliverability Mid-Atlantic Load Deliverability Mid-Atlantic Load Deliverability Mid-Atlantic Load Deliverability Mid-Atlantic Load Deliverability Mid-Atlantic Load Deliverability Mid-Atlantic Load Deliverability Mid-Atlantic Load Deliverability Mid-Atlantic Load Deliverability Mid-Atlantic Load Deliverability Dominion Load Deliverability Mid-Atlantic Load Deliverability Mid-Atlantic Load Deliverability Mid-Atlantic Load Deliverability Southern Mid-Atlantic Load Deliverability Southern Mid-Atlantic Load Deliverability Mid-Atlantic Load Deliverability Generator Deliverability Mid-Atlantic Load Deliverability Southern Mid-Atlantic Load Deliverability Southern Mid-Atlantic Load Deliverability 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 103.0 105.6 107.7 109.8 111.6 113.5 115.5 117.2 118.8 120.2 122.2 102.0 102.9 103.2 103.6 103.9 104.0 104.3 104.3 104.1 103.9 103.7 101.6 104.2 106.2 108.3 110.1 112.0 114.0 115.6 117.2 118.6 120.5 100.4 101.1 101.6 102.2 102.9 103.5 104.2 104.8 105.4 105.9 106.6 100.4 102.0 103.5 105.3 106.8 108.3 109.9 111.5 113.1 114.8 116.5 100.4 102.1 103.9 105.8 107.5 109.6 111.5 113.5 115.5 117.5 119.6 99.3 100.9 102.5 104.2 105.8 107.7 109.5 111.3 113.1 115.0 117.0 98.6 100.3 102.1 104.1 105.9 108.1 110.2 112.4 114.6 116.9 119.3 97.9 99.2 100.6 102.0 103.2 104.4 105.5 106.7 108.0 109.1 110.4 97.1 98.8 100.5 102.3 104.0 105.9 107.8 109.7 111.6 113.6 115.6 98.3 99.3 100.4 101.4 102.2 103.0 103.7 104.5 105.4 106.2 107.1 98.1 99.2 100.2 101.2 102.0 102.9 103.5 104.4 105.3 106.0 106.9 95.7 97.6 99.6 102.0 104.2 106.9 109.5 112.2 115.1 118.0 121.2 96.3 97.8 99.4 101.0 102.3 103.7 105.0 106.4 107.9 109.3 110.8 94.6 96.4 98.5 100.8 103.1 105.7 108.3 111.0 113.9 116.8 120.0 92.7 94.3 95.9 97.6 99.2 101.0 102.8 104.6 106.4 108.2 110.1 89.0 90.9 92.9 95.2 97.5 100.2 102.7 105.4 108.3 111.3 114.4 91.1 92.8 94.4 96.2 97.9 99.8 101.8 103.6 105.6 107.5 109.6 95.2 96.2 97.3 98.3 99.1 100.0 100.6 101.5 102.4 103.2 104.1 83.6 85.4 87.5 89.8 92.1 94.7 97.3 100.0 102.9 105.8 109.0 87.7 89.2 90.8 92.5 94.1 96.0 97.9 99.8 101.8 103.7 105.8 87.0 88.6 90.2 91.9 93.5 95.3 97.1 98.9 100.7 102.5 104.4 84.1 85.8 87.6 89.6 91.4 93.6 95.8 97.9 100.2 102.4 104.9 Attachment CAD-I-22-A Chart A 24 25 26 27 28 29 30 31 32 33 Electrical Occurrence Electrical Result Outage of Fort Martin - North Longview 500 kV Outage of Bath County - Valley 500 kV line Outage of Meadow Brook Loudoun 500 kV line Harrison - Pruntytown 500 kV exceeds its emergency rating and overloads (2023) Lexington - Dooms 500 kV exceeds its emergency rating and overloads (2023) Mt. Storm - Doubs 500 kV exceeds its emergency rating and overloads (2023) Ronco - Hatfield 500 kV exceeds its emergency rating and overloads (2023) Pruntytown - Mt. Storm 500 kV exceeds its emergency rating and overloads (2024) Pruntytown - Mt. Storm 500 kV exceeds its emergency rating and overloads (2024) Mt. Storm - Doubs 500 kV exceeds its emergency rating and overloads (2024) Ronco - Hatfield 500 kV exceeds its emergency rating and overloads (2024) Ronco - Hatfield 500 kV exceeds its emergency rating and overloads (2024) Mt. Storm - Doubs 500 kV exceeds its emergency rating and overloads (2024) Normal Operation Outage of Bedington - Black Oak 500 kV line Outage of Bedington - Black Oak 500 kV line Outage of Bedington - Black Oak 500 kV line Outage of Cabot - Cranberry 500 kV line Outage of Wylie Ridge Cranberry 500 kV line Outage of Bedington - Black Oak 500 kV line Rating (MVA) Normal / Emergency 2731/3372 2913/2913 2568/2598 2731/3372 2731/3372 2731/3372 2568/2598 2731/3372 2731/3372 2568/2598 PJM Reliability Test Mid-Atlantic Load Deliverability Dominion Load Deliverability Southern Mid-Atlantic Load Deliverability Mid-Atlantic Load Deliverability Dominion Load Deliverability Mid-Atlantic Load Deliverability Generator Deliverability Mid-Atlantic Load Deliverability Mid-Atlantic Load Deliverability Dominion Load Deliverability 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 84.5 86.1 87.7 89.6 91.2 93.2 95.3 97.4 99.6 101.8 104.2 83.4 85.1 86.9 88.9 90.7 92.9 95.1 97.2 99.5 101.7 104.2 85.4 87.0 88.6 90.3 91.9 93.8 95.6 97.4 99.2 101.1 103.1 87.9 89.3 90.7 92.2 93.4 94.8 96.2 97.6 99.0 100.4 101.9 80.5 82.1 83.8 85.7 87.6 89.8 92.0 94.2 96.6 99.0 101.6 80.4 82.0 83.7 85.6 87.5 89.7 91.9 94.1 96.5 98.9 101.5 82.9 84.5 86.2 88.0 89.7 91.6 93.5 95.4 97.3 99.3 101.4 86.4 87.9 89.3 90.8 92.0 93.4 94.9 96.3 97.8 99.2 100.8 86.8 88.2 89.5 91.0 92.2 93.6 95.0 96.4 97.8 99.2 100.7 81.6 83.2 84.9 86.7 88.4 90.3 92.2 94.1 96.1 98.0 100.1 Attachment CAD-I-34-A Summary Attachment H-19A Page 1 of 27 For the 12 months ended 6/30/2015 SUMMARY PATH-West Virginia Transmission Company, LLC (PATH-WV) (1) 1 NET REVENUE REQUIREMENT 2 3 4 5 6 $236,195,394 PATH Allegheny Transmission Company, LLC (PATHAllegheny) (2) (A) PJM Project No. b0490 & b0491 b0492 & b0560 $236,195,394 (C) Total (Sum lines 3 to 5) $236,195,394 Sources: (A) (B) (C) (D) Rate Formula Template, page 2, line 5, col. (3) Rate Formula Template, page 7, line 6, col. (3) Rate Formula Template - Attachment 5, page 30 col., (6) Rate Formula Template - Attachment 5, page 31 col., (5) Potomac-Appalachian Transmission Highline, LLC (3) = (1) + (2) $128,477,139 (B) $364,672,533 $128,477,139 (D) $236,195,394 $128,477,139 $128,477,139 $364,672,533 Attachment CAD-I-34-A PATH-WV Attach A Attachment H-19A Page 2 of 27 Attachment A Rate Formula Template Utilizing FERC Form 1 Data Formula Rate - Non-Levelized For the 12 months ended 6/30/2015 PATH- West Virginia Transmission Company, LLC (1) Line No. 1 GROSS REVENUE REQUIREMENT (line 87) 2 3 4 REVENUE CREDITS Total Revenue Credits True-up Adjustment with Interest Accelerated True-up Adjustment with Interest Attachment 1, line 12 Protocols 5 NET REVENUE REQUIREMENT (Lines 1 minus line 2 plus line 3 plus line 4) (2) 12 months Total 0 0 0 TP DA DA (3) Allocated Amount 236,195,394 $ Allocator 1.00000 1.00000 1.00000 $ 236,195,394 Attachment A Rate Formula Template Utilizing FERC Form 1 Data Formula Rate - Non-Levelized For the 12 months ended 6/30/2015 PATH- West Virginia Transmission Company, LLC (2) (3) (4) Form No. 1 Page, Line, Col. Company Total Allocator (1) Line No. (5) Transmission (Col 3 times Col 4) RATE BASE: 6 7 8 9 10 11 12 GROSS PLANT IN SERVICE Production Transmission Distribution General & Intangible Common TOTAL GROSS PLANT (sum lines 7-11) 13 14 15 16 17 18 19 ACCUMULATED DEPRECIATION Production (Attachment 4) Transmission (Attachment 4) Distribution (Attachment 4) General & Intangible (Attachment 4) Common (Attachment 4) TOTAL ACCUM. DEPRECIATION (sum lines 14-18) 20 21 22 23 24 25 26 NET PLANT IN SERVICE Production Transmission Distribution General & Intangible Common TOTAL NET PLANT (sum lines 21-25) (line 7- line 14) (line 8- line 15) (line 9- line 16) (line 10- line 17) (line 11- line 18) (NP=1 if plant =0) 27 28 29 30 31 32 33 ADJUSTMENTS TO RATE BASE Account No. 281 (enter negative) Account No. 282 (enter negative) Account No. 283 (enter negative) Account No. 190 Account No. 255 (enter negative) CWIP (Attachment 4) (Attachment 4) (Attachment 4) (Attachment 4) (Attachment 4) (Attachment 4) (Attachment 4) (Attachment 4) (Attachment 4) (Attachment 4) (Attachment 4) (GP=1 if plant =0) 1,192,232,527 1,192,232,527 NA TP NA W/S CE GP= 0.00000 1.00000 0.00000 1.00000 1.00000 1.00000 1,192,232,527 1,192,232,527 12,890,039 12,890,039 NA TP NA W/S CE 0.00000 1.00000 0.00000 1.00000 0.00000 12,890,039 12,890,039 1,179,342,488 1,179,342,488 NP= 1.0000 NA NP NP NP NP DA 0.00000 1.00000 1.00000 1.00000 1.00000 1.00000 1,179,342,488 1,179,342,488 (Note A) (17,584,978) - (17,584,978) - Attachment CAD-I-34-A PATH-WV Attach A Attachment H-19A Page 3 of 27 34 35 36 Unamortized Regulatory Asset Unamortized Abandoned Plant TOTAL ADJUSTMENTS (sum lines 28-35) (Attachment 4) (Attachment 4) 37 LAND HELD FOR FUTURE USE (Attachment 4) 38 39 40 41 42 WORKING CAPITAL (Note C) CWC calculated Materials & Supplies (Note B) (Attachment 4) Prepayments (Account 165 - Note C) (Attachment 4) TOTAL WORKING CAPITAL (sum lines 39-41) 43 RATE BASE (sum lines 26, 36, 37, & 42) (17,584,978) - 1,356,001 1,356,001 DA DA 1.00000 1.00000 TP 1.00000 TE GP 1.00000 1.00000 1,163,113,511 (17,584,978) - 1,356,001 1,356,001 1,163,113,511 Attachment A Rate Formula Template Utilizing FERC Form 1 Data Formula Rate - Non-Levelized For the 12 months ended 6/30/2015 PATH- West Virginia Transmission Company, LLC (2) (3) (4) (1) Form No. 1 Page, Line, Col. Transmission Company Total 44 45 46 47 48 49 50 51 52 53 54 55 56 57 O&M Transmission 321.112.b Less Account 565 321.96.b Less Account 566 (Misc Trans Expense) Line 57 A&G 323.197.b Less EPRI & Reg. Comm. Exp. & Other Ad. (Note D & Attach 4) Plus Transmission Related Reg. Comm. Exp.(Note D & Attach 4) PBOP expense adjustment (Attachment 4) Common (Attachment 4) Transmission Lease Payments 200.4.c Account 566 Amortization of Regulatory Asset Attachment 4 Miscellaneous Transmission Expense Attachment 4 Total Account 566 58 TOTAL O&M (sum lines 45, 48, 50, 51, 52, 53, 57 less lines 46, 47 & 49) 10,848,010 59 60 61 62 63 64 DEPRECIATION EXPENSE Transmission General and Intangible Common Amortization of Abandoned Plant TOTAL DEPRECIATION (Sum lines 60-63) 22,820,162 22,820,162 65 66 67 68 69 70 71 72 73 74 TAXES OTHER THAN INCOME TAXES (Note E) LABOR RELATED Payroll 263i Highway and vehicle 263i PLANT RELATED Property 263i Gross Receipts 263i Other 263i Payments in lieu of taxes TOTAL OTHER TAXES (sum lines 67-73) 75 76 77 78 79 80 81 INCOME TAXES (Note F) T=1 - {[(1 - SIT) * (1 - FIT)] / (1 - SIT * FIT * p)} = CIT=(T/1-T) * (1-(WCLTD/R)) = where WCLTD=(line 116) and R= (line 119) and FIT, SIT & p are as given in footnote F. 1 / (1 - T) = (T from line 76) Amortized Investment Tax Credit (266.8f) (enter negative) 82 83 84 Income Tax Calculation = line 77 * line 86 ITC adjustment (line 80 * line 81) Total Income Taxes 85 86 87 336.7.b & c 336.1.d&e + 336.10.b&c 336.11.b&c (Attachment 4) (5) 519,524 10,328,486 (0) - Allocator (Col 3 times Col 4) TE TE DA W/S DA TE 1.00000 1.00000 1.00000 1.00000 1.00000 1.00000 CE DA 0.00000 1.00000 DA DA 1.00000 1.00000 1.00000 1.00000 0.00000 1.00000 W/S W/S 1.00000 1.00000 GP NA GP GP 1.00000 0.00000 1.00000 1.00000 57,048,328 0 57,048,328 NA NP 1.00000 RETURN [ Rate Base (line 43) * Rate of Return (line 119)] 136,404,137 NA REV. REQUIREMENT (sum lines 58, 64, 74, 84, 86) 236,195,394 (line 82 plus line 83) 9,074,757 9,074,757 10,848,010 TP W/S CE DA - 519,524 10,328,486 (0) - 22,820,162 22,820,162 9,074,757 9,074,757 40.69% 41.82% 1.6860 0 57,048,328 57,048,328 136,404,137 236,195,394 Attachment CAD-I-34-A PATH-WV Attach A Attachment H-19A Page 4 of 27 Attachment A Rate Formula Template Utilizing FERC Form 1 Data Formula Rate - Non-Levelized For the 12 months ended 6/30/2015 PATH- West Virginia Transmission Company, LLC SUPPORTING CALCULATIONS AND NOTES 88 TRANSMISSION PLANT INCLUDED IN ISO RATES 89 90 91 92 Total transmission plant (line 8, column 3) Less transmission plant excluded from ISO rates (Note H) Less transmission plant included in OATT Ancillary Services (Note H) Transmission plant included in ISO rates (line 89 less lines 90 & 91) 93 Percentage of transmission plant included in ISO Rates (line 92 divided by line 89) [If line 89 equal zero, enter 1) 94 TRANSMISSION EXPENSES 95 96 97 Total transmission expenses (line 45, column 3) Less transmission expenses included in OATT Ancillary Services (Note G) Included transmission expenses (line 95 less line 96) 98 99 100 Percentage of transmission expenses after adjustment (line 97 divided by line 95) [If line 95 equal zero, enter 1) Percentage of transmission plant included in ISO Rates (line 93) Percentage of transmission expenses included in ISO Rates (line 98 times line 99) 101 102 103 104 105 106 107 WAGES & SALARY ALLOCATOR (W&S) 108 109 110 111 112 113 COMMON PLANT ALLOCATOR (CE) (Note I) 114 RETURN (R) 115 116 117 118 119 Long Term Debt (Note K) Preferred Stock Common Stock (Note J) Total (sum lines 116-118) Form 1 Reference Production 354.20.b Transmission 354.21.b Distribution 354.23.b Other 354.24,25,26.b Total (sum lines 103-106) [TP equals 1 if there are no wages & salaries] 1,192,232,527 0 0 1,192,232,527 $ TP 0 0 0 0 0 200.3.c 201.3.d 201.3.e 1.0000 1.00000 1.00000 TP TE= Allocation 1.00 0 = W&S Allocator ($ / Allocation) 1.00000 =WS % Electric (line 110 / line 113) 1.00000 x W&S Allocator (line 107) 1.00000 =CE 0 0 0 0 0 (5) $ $ Formula Rate - Non-Levelized 1.0000 519,524 0 519,524 $ Electric Gas Water Total (sum lines 110 - 112) TP= (Attachment 4) (Attachment 4) (Attachment 4) 0 0 0 0 % 50% 0% 50% Cost 9.16% 0.00% 14.30% Weighted 0.0458 =WCLTD 0.0000 0.0715 0.1173 =R SUPPORTING CALCULATIONS AND NOTES Attachment A Rate Formula Template Utilizing FERC Form 1 Data For the 12 months ended 6/30/2015 PATH- West Virginia Transmission Company, LLC General Note: References to pages in this formulary rate are indicated as: (page#, line#, col.#) References to data from FERC Form 1 are indicated as: #.y.x (page, line, column) Note Letter A The balances in Accounts 190, 281, 282 and 283, as adjusted by any amounts in contra accounts identified as regulatory assets or liabilities related to FASB 106 or 109. Balance of Account 255 is reduced by prior flow throughs and excluded if the utility chose to utilize amortization of tax credits against taxable income as discussed in Note F. Account 281 is not allocated. B Identified in Form 1 as being only transmission related. C Cash Working Capital assigned to transmission is one-eighth of O&M allocated to transmission Prepayments are the electric related prepayments booked to Account No. 165 and reported on Pages 110-111 line 57 in the Form 1. D EPRI Annual Membership Dues listed in Form 1 at 353.f, all Regulatory Commission Expenses itemized at 351.h, except safety, education and out-reach related advertising included in Account 930.1. Regulatory Commission Expenses directly related to transmission service, ISO filings, or transmission siting itemized at 351.h. E Includes only FICA, unemployment, highway, property, gross receipts, and other assessments charged in the current year. Taxes related to income are excluded. Gross receipts taxes are not included in transmission revenue requirement in the Rate Formula Template, since they are recovered elsewhere. F The currently effective income tax rate, where FIT is the Federal income tax rate; SIT is the State income tax rate, and p = "the percentage of federal income tax deductible for state income taxes". If the utility is taxed in more than one state it must attach a work paper showing the name of each state and how the blended or composite SIT was developed. Furthermore, a utility that elected to utilize amortization of tax credits against taxable income, rather than book tax credits to Account No. 255 and reduce rate base, must reduce its income tax expense by the amount of the Amortized Investment Tax Credit (Form 1, 266.8.f) multiplied by (1/1-T) (page 4, line 79). Inputs Required: FIT = 35.00% SIT= 8.75% (State Income Tax Rate or Composite SIT from Attachment 4) p= 0.00% (percent of federal income tax deductible for state purposes) G Removes dollar amount of transmission expenses included in the OATT ancillary services rates, if any. PATH-WV Attach A Attachment CAD-I-34-A Attachment H-19A Page 5 of 27 H I J K Removes dollar amount of transmission plant included in the development of OATT ancillary services rates and generation step-up facilities, which are deemed to included in OATT ancillary services. For these purposes, generation step-up facilities are those facilities at a generator substation on which there is no through-flow when the generator is shut down. Enter dollar amounts ROE will be supported in the original filing and no change in ROE may be made absent a filing with FERC. The percentage shown for Long Term Debt is subject to the Annual Update and Attachment 6 and Attachment 9. Attachment CAD-I-34-A PATH-Allegheny Attach A Attachment H-19A Page 6 of 26 Attachment A Rate Formula Template Utilizing FERC Form 1 Data Formula Rate - Non-Levelized For the 12 months ended 6/30/2015 PATH-Allegheny Transmission Company, LLC (1) Line No. 1 GROSS REVENUE REQUIREMENT (line 88) 2 3 4 5 REVENUE CREDITS Total Revenue Credits True-up Adjustment with Interest Accelerated True-up Adjustment with Interest Attachment 1, line 12 Protocols 6 NET REVENUE REQUIREMENT (Lines 1 minus line 3 plus line 4 plus line 5) (2) 12 months Total 0 0 0 TP DA DA (3) Allocated Amount 128,477,139 $ Allocator 1.00000 1.00000 1.00000 $ 128,477,139 Attachment A Rate Formula Template Utilizing FERC Form 1 Data Formula Rate - Non-Levelized For the 12 months ended 6/30/2015 (1) Line No. PATH-Allegheny Transmission Company, LLC (2) (3) (4) Form No. 1 Page, Line, Col. Company Total Allocator (5) Transmission (Col 3 times Col 4) RATE BASE: 7 8 9 10 11 12 13 GROSS PLANT IN SERVICE Production Transmission Distribution General & Intangible Common TOTAL GROSS PLANT (sum lines 8-12) 14 15 16 17 18 19 20 ACCUMULATED DEPRECIATION Production (Attachment 4) Transmission (Attachment 4) Distribution (Attachment 4) General & Intangible (Attachment 4) Common (Attachment 4) TOTAL ACCUM. DEPRECIATION (sum lines 15-19) 21 22 23 24 25 26 27 NET PLANT IN SERVICE Production Transmission Distribution General & Intangible Common TOTAL NET PLANT (sum lines 22-26) 28 29 30 31 32 33 34 35 36 37 (Attachment 4) (Attachment 4) (Attachment 4) (Attachment 4) (Attachment 4) (GP=1 if plant =0) 656,947,886 656,947,886 NA TP NA W/S CE GP= 0.00000 1.00000 0.00000 1.00000 1.00000 1.00000 656,947,886 656,947,886 10,711,592 10,711,592 NA TP NA W/S CE 0.00000 1.00000 0.00000 1.00000 1.00000 10,711,592 10,711,592 (line 8- line 15) (line 9- line 16) (line 10- line 17) (line 11- line 18) (line 12- line 19) (NP=1 if plant =0) 646,236,294 646,236,294 ADJUSTMENTS TO RATE BASE (Note A) Account No. 281 (enter negative) Account No. 282 (enter negative) Account No. 283 (enter negative) Account No. 190 Account No. 255 (enter negative) CWIP Unamortized Regulatory Asset Unamortized Abandoned Plant TOTAL ADJUSTMENTS (sum lines 29-36) (Attachment 4) (Attachment 4) (Attachment 4) (Attachment 4) (Attachment 4) (Attachment 4) (Attachment 4) (Attachment 4) (10,643,531) (10,643,531) 38 LAND HELD FOR FUTURE USE (Attachment 4) 39 40 WORKING CAPITAL (Note C) CWC calculated - 710,622 NP= 1.0000 NA NP NP NP NP DA DA DA 0.00000 1.00000 1.00000 1.00000 1.00000 1.00000 1.00000 1.00000 TP 1.00000 646,236,294 646,236,294 (10,643,531) (10,643,531) - 710,622 Attachment CAD-I-34-A PATH-Allegheny Attach A Attachment H-19A Page 7 of 26 41 42 43 Materials & Supplies (Note B) Prepayments (Account 165 - Note C) TOTAL WORKING CAPITAL (sum lines 40-42) 44 RATE BASE (sum lines 27, 37, 38, & 43) (Attachment 4) (Attachment 4) 710,622 TE GP 1.00000 1.00000 636,303,385 710,622 636,303,385 Attachment A Rate Formula Template Utilizing FERC Form 1 Data Formula Rate - Non-Levelized For the 12 months ended 6/30/2015 (1) (2) PATH-Allegheny Transmission Company, LLC (3) (4) Form No. 1 Page, Line, Col. 45 46 47 48 49 50 51 52 53 54 55 56 57 58 O&M Transmission Less Account 565 Less Account 566 A&G Less EPRI & Reg. Comm. Exp. & Other Ad. Plus Transmission Related Reg. Comm. Exp. PBOP expense adjustment Common Transmission Lease Payments Account 566 Amortization of Regulatory Asset Miscellaneous Transmission Expense Total Account 566 59 TOTAL O&M (sum lines 46, 49, 51, 52, 53, 54, 58 less lines 47,48, 50) 60 61 62 63 64 65 DEPRECIATION EXPENSE Transmission General and Intangible Common Amortization of Abandoned Plant TOTAL DEPRECIATION (Sum lines 61-64) 66 67 68 69 70 71 72 73 74 75 TAXES OTHER THAN INCOME TAXES (Note E) LABOR RELATED Payroll Highway and vehicle PLANT RELATED Property Gross Receipts Other Payments in lieu of taxes TOTAL OTHER TAXES (sum lines 68-74) 76 77 78 79 80 81 82 INCOME TAXES (Note F) T=1 - {[(1 - SIT) * (1 - FIT)] / (1 - SIT * FIT * p)} = CIT=(T/1-T) * (1-(WCLTD/R)) = where WCLTD=(line 120) and R= (line 123) and FIT, SIT & p are as given in footnote F. 1 / (1 - T) = (T from line 77) Amortized Investment Tax Credit (266.8f) (enter negative) 83 84 85 Income Tax Calculation = line 78 * line 87 ITC adjustment (line 81 * line 82) Total Income Taxes 86 87 RETURN [ Rate Base (line 44) * Rate of Return (line 123)] 88 REV. REQUIREMENT (sum lines 59, 65, 75, 85, 87) 321.112.b 321.96.b Line 58 323.197.b (Note D & Attach 4) (Note D & Attach 4) (Attachment 4) (Attachment 4) 200.4.c Attachment 4 Attachment 4 Transmission Company Total 164,060 5,520,913 - 336.7.b & c 336.1.d&e + 336.10.b&c 336.11.b & c (Attachment 4) 263i 263i Allocator TE TE DA W/S DA TE 1.00000 1.00000 1.00000 1.00000 1.00000 1.00000 CE DA 1.00000 1.00000 DA DA 1.00000 1.00000 5,684,973 12,473,195 12,473,195 1.00000 1.00000 1.00000 1.00000 W/S W/S 1.00000 1.00000 GP NA GP GP 1.00000 0.00000 1.00000 1.00000 30,394,751 0 30,394,751 NA NP 1.00000 74,622,480 NA 5,301,741 5,301,741 (Col 3 times Col 4) 164,060 5,520,913 5,684,973 TP W/S CE DA - 263i 263i 263i (5) 12,473,195 12,473,195 5,301,741 5,301,741 40.05% 40.73% 1.6681 0 (line 83 plus line 84) 128,477,139 30,394,751 30,394,751 74,622,480 128,477,139 Attachment A Rate Formula Template Utilizing FERC Form 1 Data Formula Rate - Non-Levelized For the 12 months ended 6/30/2015 PATH-Allegheny Transmission Company, LLC SUPPORTING CALCULATIONS AND NOTES 89 TRANSMISSION PLANT INCLUDED IN ISO RATES 90 91 92 93 Total transmission plant (line 9, column 3) Less transmission plant excluded from ISO rates (Note H) Less transmission plant included in OATT Ancillary Services (Note H) Transmission plant included in ISO rates (line 90 less lines 91 & 92) 656,947,886 0 0 656,947,886 Attachment CAD-I-34-A PATH-Allegheny Attach A Attachment H-19A Page 8 of 26 94 Percentage of transmission plant included in ISO Rates (line 93 divided by line 90) [If line 90 equal zero, enter 1) 95 96 97 98 99 TRANSMISSION EXPENSES 100 101 102 Percentage of transmission expenses after adjustment (line 99 divided by line 97) [If line 97 equal zero, enter 1) Percentage of transmission plant included in ISO Rates (line 94) Percentage of transmission expenses included in ISO Rates (line 100 times line 101) 103 104 105 106 107 108 109 WAGES & SALARY ALLOCATOR (W&S) 110 111 112 113 114 115 COMMON PLANT ALLOCATOR (CE) (Note I) 116 RETURN (R) 117 118 119 120 121 122 123 Long Term Debt (Note K) Preferred Stock Common Stock (Note J) Total (sum lines 120-122) TP= 1.0000 Total transmission expenses (line 46, column 3) Less transmission expenses included in OATT Ancillary Services (Note G) Included transmission expenses (line 97 less line 98) Form 1 Reference Production 354.20.b Transmission 354.21.b Distribution 354.23.b Other 354.24,25,26.b Total (sum lines 105-108) [TP equals 1 if there are no wages & salaries] 164,060 0 164,060 $ TP 0 0 0 0 0 200.3.c 201.3.d 201.3.e = W&S Allocator ($ / Allocation) 1.00000 = WS % Electric (line 112 / line 115) 1.00000 x W&S Allocator (line 109) 1.00000 = CE 1.00000 (5) $ $ Formula Rate - Non-Levelized 0 0 0 0 0 0 1.00000 1.00000 1.00000 Allocation 1.00 $ Electric Gas Water Total (sum lines 112 - 114) TP TE= (Attachment 4) (Attachment 4) (Attachment 4) 0 0 0 0 % 50% 0% 50% Cost 9.16% 0.00% 14.30% Weighted 0.0458 =WCLTD 0.0000 0.0715 0.1173 =R SUPPORTING CALCULATIONS AND NOTES Attachment A Rate Formula Template Utilizing FERC Form 1 Data For the 12 months ended 6/30/2015 PATH-Allegheny Transmission Company, LLC General Note: References to pages in this formulary rate are indicated as: (page#, line#, col.#) References to data from FERC Form 1 are indicated as: #.y.x (page, line, column) Note Letter A The balances in Accounts 190, 281, 282 and 283, as adjusted by any amounts in contra accounts identified as regulatory assets or liabilities related to FASB 106 or 109. Balance of Account 255 is reduced by prior flow throughs and excluded if the utility chose to utilize amortization of tax credits against taxable income as discussed in Note F. Account 281 is not allocated. B Identified in Form 1 as being only transmission related. C Cash Working Capital assigned to transmission is one-eighth of O&M allocated to transmission Prepayments are the electric related prepayments booked to Account No. 165 and reported on Pages 110-111 line 57 in the Form 1. D EPRI Annual Membership Dues listed in Form 1 at 353.f, all Regulatory Commission Expenses itemized at 351.h, except safety, education, siting and out-reach related advertising included in Account 930.1. Regulatory Commission Expenses directly related to transmission service, ISO filings, or transmission siting itemized at 351.h. E Includes only FICA, unemployment, highway, property, gross receipts, and other assessments charged in the current year. Taxes related to income are excluded. Gross receipts taxes are not included in transmission revenue requirement in the Rate Formula Template, since they are recovered elsewhere. F The currently effective income tax rate, where FIT is the Federal income tax rate; SIT is the State income tax rate, and p = "the percentage of federal income tax deductible for state income taxes". If the utility is taxed in more than one state it must attach a work paper showing the name of each state and how the blended or composite SIT was developed. Furthermore, a utility that elected to utilize amortization of tax credits against taxable income, rather than book tax credits to Account No. 255 and reduce rate base, must reduce its income tax expense by the amount of the Amortized Investment Tax Credit (Form 1, 266.8.f) multiplied by (1/1-T) (page 9, line 79). Inputs Required: FIT = 35.00% SIT= 7.77% (State Income Tax Rate or Composite SIT from Attachment 4) p= 0.00% (percent of federal income tax deductible for state purposes) G Removes dollar amount of transmission expenses included in the OATT ancillary services rates, if any. H Removes dollar amount of transmission plant included in the development of OATT ancillary services rates and generation step-up facilities, which are deemed to included in OATT ancillary services. For these purposes, generation step-up facilities are those facilities at a generator substation on which there is no through-flow when the generator is shut down. I Enter dollar amounts J ROE will be supported in the original filing and no change in ROE may be made absent a filing with FERC. K The percentage shown for Long Term Debt is subject to the Annual Update and Attachment 6 and Attachment 9. Attachment CAD-I-34-A PATH-WV 1 - Revenue Credits Attachment H-19A Page 9 of 27 Attachment 1 - Revenue Credit Workpaper PATH West Virginia Transmission Company, LLC Account 454 - Rent from Electric Property 1 Rent from FERC Form No. 1 - Note 6 2 3 4 5 6 7 8 9 Other Electric Revenues Schedule 1A PTP Serv revs for which the load is not included in the divisor received by TO PJM Transitional Revenue Neutrality (Note 1) PJM Transitional Market Expansion (Note 1) Professional Services (Note 3) Revenues from Directly Assigned Transmission Facility Charges (Note 2) Rent or Attachment Fees associated with Transmission Facilities (Note 3) 10 Gross Revenue Credits 11 Less line 20 12 Total Revenue Credits - See - Sum lines 2-9 + line 1 less line 18 line 10 + line 11 - 13 Revenues associated with lines 13 thru 18 are to be included in lines 1-9 and total of those revenues entered here 14 Income Taxes associated with revenues in line 15 15 One half margin (line 13 - line 14)/2 16 All expenses (other than income taxes) associated with revenues in line 13 that are included in FERC accounts recovered through the formula times the allocator used to functionalize the amounts in the FERC account to the transmission service at issue. - - 17 Line 15 plus line 16 18 Line 13 less line 17 Note 1 All revenues related to transmission that are received as a transmission owner (i.e., not received as a LSE), for which the cost of the service is recovered under this formula, except as specifically provided for elsewhere in this attachment or elsewhere in the formula will be included as a revenue credit or included in the peak on page 2, line 2 of Rate Formula Template. Note 2 If the costs associated with the Directly Assigned Transmission Facility Charges are included in the Rates, the associated revenues are included in the Rates. If the costs associated with the Directly Assigned Transmission Facility Charges are not included in the Rates, the associated revenues are not included in the Rates. Ratemaking treatment for the following specified secondary uses of transmission assets: (1) right-of-way leases and leases for space on transmission facilities for telecommunications; (2) transmission tower licenses for wireless antennas; (3) right-of-way property leases for farming, grazing or nurseries; (4) licenses of intellectual property (including a portable oil degasification process and scheduling software); and (5) transmission maintenance and consulting services (including energized circuit maintenance, high-voltage substation maintenance, safety training, transformer oil testing, and circuit breaker testing) to other utilities and large customers (collectively, products). DLC will retain 50% of net revenues consistent with Pacific Gas and Electric Company , 90 FERC ¶ 61,314. Note: in order to use lines 15 - 20, the utility must track in separate subaccounts the revenues and costs associated with each secondary use (except for the cost of the associated income taxes). Note 3 Note 4 If the facilities associated with the revenues are not included in the formula, the revenue is shown here, but not included in the total above and explained in the Cost Support. For example revenues associated with distribution facilities. In addition Revenues from Schedule 12 are not included in the total above to the extent they are credited under Schedule 12. Attachment 1 - Revenue Credit Workpaper PATH West Virginia Transmission Company, LLC Note 5 Other electric Revenues - includes revenues for various related electricity products/premium services such as surge protectors and appliance guards Note 6 All Account 454 and 456 Revenues must be itemized below Account 454 Joint pole attachments - telephone Joint pole attachments - cable Underground rentals Transmission tower wireless rentals Other rentals Corporate headquarters sublease Misc non-transmission rentals Customer commitment services xxxx xxxx Total Account 456 Other electric revenues Transmission Revenue - Firm Transmission Revenue - Non-Firm xxxx xxxx xxxx xxxx xxxx xxxx xxxx Total Total Account 454 and 456 included Payments by PJM of the revenue requirement calculated on Rate Formula Template Total Account 454 and 456 included and excluded Include Include Include Include Include Include Include Include Include $ - Include Include Include Include Exclude - Attachment CAD-I-34-A PATH-A 1-Revenue Credits Attachment H-19A Page 10 of 27 Attachment 1 - Revenue Credit Workpaper PATH Allegheny Transmission Company, LLC Account 454 - Rent from Electric Property 1 Rent from FERC Form No. 1 - Note 6 2 Other Electric Revenues 3 Schedule 1A 4 PTP Serv revs for which the load is not included in the divisor received by TO 5 PJM Transitional Revenue Neutrality (Note 1) 6 PJM Transitional Market Expansion (Note 1) 7 Professional Services (Note 3) 8 Revenues from Directly Assigned Transmission Facility Charges (Note 2) 9 Rent or Attachment Fees associated with Transmission Facilities (Note 3) 10 Gross Revenue Credits 11 Less line 20 12 Total Revenue Credits - See Note 5 - Sum lines 2-9 + line 1 less line 18 line 10 + line 11 - 13 Revenues associated with lines 13 thru 18 are to be included in lines 1-9 and total of those revenues entered here 14 Income Taxes associated with revenues in line 15 15 One half margin (line 13 - line 14)/2 16 All expenses (other than income taxes) associated with revenues in line 13 that are included in FERC accounts recovered through the formula times the allocator used to functionalize the amounts in the FERC account to the transmission service at issue. - - 17 Line 15 plus line 16 18 Line 13 less line 17 Note 1 All revenues related to transmission that are received as a transmission owner (i.e., not received as a LSE), for which the cost of the service is recovered under this formula, except as specifically provided for elsewhere in this attachment or elsewhere in the formula will be included as a revenue credit or included in the peak on page 7, line 2 of Rate Formula Template. Note 2 If the costs associated with the Directly Assigned Transmission Facility Charges are included in the Rates, the associated revenues are included in the Rates. If the costs associated with the Directly Assigned Transmission Facility Charges are not included in the Rates, the associated revenues are not included in the Rates. Note 3 Ratemaking treatment for the following specified secondary uses of transmission assets: (1) right-of-way leases and leases for space on transmission facilities for telecommunications; (2) transmission tower licenses for wireless antennas; (3) right-of-way property leases for farming, grazing or nurseries; (4) licenses of intellectual property (including a portable oil degasification process and scheduling software); and (5) transmission maintenance and consulting services (including energized circuit maintenance, high-voltage substation maintenance, safety training, transformer oil testing, and circuit breaker testing) to other utilities and large customers (collectively, products). DLC will retain 50% of net revenues consistent with Pacific Gas and Electric Company , 90 FERC ¶ 61,314. Note: in order to use lines 15 - 20, the utility must track in separate subaccounts the revenues and costs associated with each secondary use (except for the cost of the associated income taxes). Note 4 If the facilities associated with the revenues are not included in the formula, the revenue is shown here, but not included in the total above and explained in the Cost Support. For example revenues associated with distribution facilities. In addition Revenues from Schedule 12 are not included in the total above to the extent they are credited under Schedule 12. Note 5 Other electric Revenues - includes revenues for various related electricity products/premium services such as surge protectors and appliance guards Attachment 1 - Revenue Credit Workpaper PATH Allegheny Transmission Company, LLC Note 6 All Account 454 and 456 Revenues must be itemized below Account 454 Joint pole attachments - telephone Joint pole attachments - cable Underground rentals Transmission tower wireless rentals Other rentals Corporate headquarters sublease Misc non-transmission rentals Customer commitment services xxxx xxxx Include Include Include Include Include Include Include Include Include - Total Account 456 Other electric revenues Transmission Revenue - Firm Transmission Revenue - Non-Firm xxxx Include Include Include Include xxxx xxxx xxxx xxxx xxxx xxxx Total Total Account 454 and 456 included Payments by PJM of the revenue requirement calculated on Rate Formula Template Total Account 454 and 456 included and excluded $ - Exclude - PATH-WV 3- Carrying Charges Attachment CAD-I-34-A Attachment H-19A Page 11 of 27 Attachment 3 - Calculation of Carrying Charges PATH West Virginia Transmission Company, LLC 1 2 3 4 5 6 7 8 9 Calculation of Composite Depreciation Rate Transmission Plant @ Beginning of Period Transmission Plant @ End of Period Sum Average Balance of Transmission Investment Depreciation Expense Composite Depreciation Rate Depreciable Life for Composite Depreciation Rate Round line 8 to nearest whole year (Attachment 4) (Attachment 4) (sum lines 2 & 3) (line 4/2) Rate Formula Template (line 6/ line 5) (1/line 7) 1,192,232,527 1,192,232,527 2,384,465,054 1,192,232,527 22,820,162 1.91% 52.24 52 PATH-A 3- Carrying Charges Attachment CAD-I-34-A Attachment H-19A Page 12 of 27 Attachment 3 - Calculation of Carrying Charges PATH Allegheny Transmission Company, LLC 1 2 3 4 5 6 7 8 9 Calculation of Composite Depreciation Rate Transmission Plant @ Beginning of Period Transmission Plant @ End of Period Sum Average Balance of Transmission Investment Depreciation Expense Composite Depreciation Rate Depreciable Life for Composite Depreciation Rate Round line 8 to nearest whole year (Attachment 4) (Attachment 4) (sum lines 2 & 3) (line 4/2) Rate Formula Template (line 6/ line 5) (1/line 7) 656,947,886 656,947,886 1,313,895,772 656,947,886 12,473,195 1.90% 52.67 53 Attachment CAD-I-34-A PATH-WV 4 - Cost Support Attachment H-19A Page 13 of 32 Attachment 4 - Cost Support PATH West Virginia Transmission Company, LLC NEEDS Updated UPDATED FOR FILING Plant in Service Worksheet 1 Attachment A Line #s, Descriptions, Notes, Form 1 Page #s and Instructions Calculation of Transmission Plant In Service Source 2 3 4 5 6 7 8 9 10 11 12 13 June July August September October November December January February March April May 14 15 June Transmission Plant In Service (sum lines 2-14) /13 16 Calculation of Distribution Plant In Service Source 17 18 19 20 21 22 23 24 25 26 27 28 29 30 June July August September October November December January February March April May June Distribution Plant In Service 31 32 33 34 Calculation of Intangible Plant In Service June June Intangible Plant In Service Source 35 36 37 38 Calculation of General Plant In Service December December General Plant In Service Source 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 Calculation of Production Plant In Service June July August September October November December January February March April May June Production Plant In Service Source p206.58.b Year Balance company records company records company records company records company records company records company records company records company records company records company records 2013 2013 2013 2013 2013 2013 2013 2014 2014 2014 2014 2014 1,192,232,527 1,192,232,527 1,192,232,527 1,192,232,527 1,192,232,527 1,192,232,527 1,192,232,527 1,192,232,527 1,192,232,527 1,192,232,527 1,192,232,527 1,192,232,527 1,192,232,527 1,192,232,527 1,192,232,527 1,192,232,527 1,192,232,527 1,192,232,527 1,192,232,527 1,192,232,527 1,192,232,527 1,192,232,527 1,192,232,527 1,192,232,527 p207.58.g 2014 1,192,232,527 1,192,232,527 1,192,232,527 1,192,232,527 p206.75.b company records company records company records company records company records company records company records company records company records company records company records p207.75.g 2013 2013 2013 2013 2013 2013 2013 2014 2014 2014 2014 2014 2014 - 2013 2014 - 2013 2014 - 2013 2013 2013 2013 2013 2013 2013 2014 2014 2014 2014 2014 2014 - (sum lines 17-29) /13 p204.5.b p205.5.g (sum lines 32 & 33) /2 p206.99.b p207.99.g (sum lines 36 & 37) /2 p204.46b company records company records company records company records company records Attachment 6 company records company records company records company records company records p205.46.g (sum lines 40-52) /13 Attachment 4 - Cost Support PATH West Virginia Transmission Company, LLC Attachment CAD-I-34-A PATH-WV 4 - Cost Support Attachment H-19A Page 14 of 32 54 55 56 57 Calculation of Common Plant In Service December (Electric Portion) December (Electric Portion) Common Plant In Service Source 58 Total Plant In Service (sum lines 15, 30, 34, 38, 53, & 57) p356 p356 Year 2013 2014 (sum lines 55 & 56) /2 Balance 1,192,232,527 Accumulated Depreciation Worksheet 59 Attachment A Line #s, Descriptions, Notes, Form 1 Page #s and Instructions Calculation of Transmission Accumulated Depreciation Source 60 61 62 63 64 65 66 67 68 69 70 71 72 73 June July August September October November December January February March April May June Transmission Accumulated Depreciation 74 Calculation of Distribution Accumulated Depreciation 75 76 77 78 79 80 81 82 83 84 85 86 87 88 June July August September October November December January February March April May June Distribution Accumulated Depreciation 89 Calculation of Intangible Accumulated Depreciation Source 90 91 92 December December Accumulated Intangible Depreciation Prior year p200.21.c p200.21c (sum lines 90 & 91) /2 93 Calculation of General Accumulated Depreciation Source 94 95 96 December December Accumulated General Depreciation Prior year p219.28 p219.28 Prior year p219.25 company records company records company records company records company records company records company records company records company records company records company records p219.25 Details Year 2013 2013 2013 2013 2013 2013 2013 2014 2014 2014 2014 2014 2014 (sum lines 60-72) /13 Balance 1,479,958 3,381,638 5,283,318 7,184,999 9,086,679 10,988,359 12,890,039 14,791,719 16,693,399 18,595,080 20,496,760 22,398,440 24,300,120 12,890,039 Source Prior year p219.26 company records company records company records company records company records company records company records company records company records company records company records p219.26 2013 2013 2013 2013 2013 2013 2013 2014 2014 2014 2014 2014 2014 - 2013 2014 - 2013 2014 - (sum lines 75-87) /13 (sum lines 94 & 95) /2 Attachment 4 - Cost Support PATH West Virginia Transmission Company, LLC 97 98 99 100 101 102 103 104 105 106 107 Calculation of Production Accumulated Depreciation June July August September October November December January February March Source Prior year p219 company records company records company records company records company records company records company records company records company records Year 2013 2013 2013 2013 2013 2013 2013 2014 2014 2014 Balance Attachment CAD-I-34-A PATH-WV 4 - Cost Support Attachment H-19A Page 15 of 32 108 109 110 111 April May June Production Accumulated Depreciation company records company records 112 Calculation of Common Accumulated Depreciation Source 113 December (Electric Portion) 114 115 December (Electric Portion) Common Plant Accumulated Depreciation (Electric Only) p356 p356 (sum lines 113 & 114) /2 116 Total Accumulated Depreciation (sum lines 73, 88, 92, 96, 111, & 115) ADJUSTMENTS TO RATE BASE p219.20 thru 219.24 2014 2014 2014 (sum lines 98-110) /13 - 2013 - 2014 12,890,039 (Note A) 117 Attachment A Line #s, Descriptions, Notes, Form 1 Page #s and Instructions Beginning of Year Account No. 281 (enter negative) 273.8.k - Details 118 119 Account No. 282 (enter negative) Account No. 283 (enter negative) 275.2.k 277.9.k 120 Account No. 190 234.8.c - - 0 121 Account No. 255 (enter negative) 267.8.h - - 0 122 Unamortized Abandoned Plant Per FERC Order - - 0 123 Prepayments (Account 165) 111.57.c - - 0 End of Year Average Balance - (1,762,590) - (33,407,367) - 0 (17,584,978) 0 Attachment 4 - Cost Support PATH West Virginia Transmission Company, LLC 124 125 126 127 128 129 130 131 132 133 134 135 136 Calculation of Transmission CWIP June July August September October November December January February March April May 137 138 June Transmission CWIP Source 216.b company records company records company records company records company records company records company records company records company records company records company records 2013 2013 2013 2013 2013 2013 2013 2014 2014 2014 2014 2014 216.b 2014 (sum lines 125-137) /13 $ - - - - LAND HELD FOR FUTURE USE 139 Attachment A Line #s, Descriptions, Notes, Form 1 Page #s and Instructions LAND HELD FOR FUTURE USE p214 Beg of year Total Non-transmission Related Transmission Related - End of Year - Average Details - EPRI Dues Cost Support Attachment A Line #s, Descriptions, Notes, Form 1 Page #s and Instructions Allocated General & Common Expenses Details Attachment CAD-I-34-A PATH-WV 4 - Cost Support Attachment H-19A Page 16 of 32 140 EPRI Dues p352-353 EPRI Dues & Common Expenses Common Expenses p356 Common Expenses - EPRI Dues - Regulatory Expense Related to Transmission Cost Support Form 1 Amount Attachment A Line #s, Descriptions, Notes, Form 1 Page #s and Instructions Directly Assigned A&G 141 Regulatory Commission Exp Account 928 p323.189.b Transmission Related - Non-transmission Related - Details - Attachment 4 - Cost Support PATH West Virginia Transmission Company, LLC Safety Related Advertising, Education and Out Reach Cost Support Form 1 Amount Attachment A Line #s, Descriptions, Notes, Form 1 Page #s and Instructions Directly Assigned A&G 142 General Advertising Exp Account 930.1 p323.191.b Safety, Education, Siting & Outreach Related - Other - Details - None Multi-state Workpaper State 1 Attachment A Line #s, Descriptions, Notes, Form 1 Page #s and Instructions State 2 State 3 State 4 State 5 Weighed Average Income Tax Rates 143 WV 8.750% SIT=State Income Tax Rate or Composite 8.75% Excluded Plant Cost Support Excluded Transmission Facilities Attachment A Line #s, Descriptions, Notes, Form 1 Page #s and Instructions Adjustment to Remove Revenue Requirements Associated with Excluded Transmission Facilities 144 Excluded Transmission Facilities Description of the Facilities - Instructions: 1 Remove all investment below 69 kV facilities, including the investment allocated to distribution of a dual function substation, generator, interconnection and local and direct assigned facilities for which separate costs are charged and step-up generation substation included in transmission plant in service. Enter $ 2 If unable to determine the investment below 69kV in a substation with investment of 69 kV and higher as well as below 69 kV, the following formula will be used: Example A Total investment in substation 1,000,000 B Identifiable investment in Transmission (provide workpapers) 500,000 C Identifiable investment in Distribution (provide workpapers) 400,000 D Amount to be excluded (A x (C / (B + C))) 444,444 Or Enter $ General Description of the Facilities None - Add more lines if necessary Materials & Supplies Attachment A Line #s, Descriptions, Notes, Form 1 Page #s and Instructions Beg of year p227.6 p227.16 147 Assigned to O&M Stores Expense Undistributed Undistributed Stores Exp 148 Transmission Materials & Supplies p227.8 145 146 - - - - - Regulatory Asset Attachment A Line #s, Descriptions, Notes, Form 1 Page #s and Instructions 149 Beginning Balance of Regulatory Asset p111.72.d - 150 Months Remaining in Amortization Period Monthly Amortization (line 149 - line 153) / 152 - 151 End of Year 0 Average - - - Attachment CAD-I-34-A PATH-WV 4 - Cost Support Attachment H-19A Page 17 of 32 153 Months in Year to be amortized Ending Balance of Regulatory Asset p111.72.c 154 Average Balance of Regulatory Asset (line 149 + line 153)/2 152 0 Attachment 4 - Cost Support PATH West Virginia Transmission Company, LLC Capital Structure Attachment A Line #s, Descriptions, Notes, Form 1 Page #s and Instructions 155 Monthly Balances for Capital Structure 156 Year Debt Preferred Stock Common Stock 157 June 2013 0 0 158 July 2013 159 August 2013 160 September 2013 161 October 2013 162 November 2013 163 December 2013 164 January 2014 165 February 2014 166 March 2014 167 April 2014 168 May 2014 169 Average 0 0 Note: the amount outstanding for debt retired during the year is the outstanding amount as of the last month it was outstanding; the equity is less Account 216.1, Preferred Stock, and Account 219; and the capital structure is fixed at 50/50 until the first two lines are placed in service Detail of Account 566 Miscellaneous Transmission Expenses Attachment A Line #s, Descriptions, Notes, Form 1 Page #s and Instructions Total 170 171 172 Amortization Expense on Regulatory Asset Miscellaneous Transmission Expense Total Account 566 - p 324a.36 PBOPs 173 Attachment A Line #s, Descriptions, Notes, Form 1 Page #s and Instructions Calculation of PBOP Expenses 174 175 176 177 178 179 180 181 182 183 184 PATH-WV - AEP Employees Total PBOP expenses Amount relating to retired personnel Amount allocated on Labor Labor dollars Cost per labor dollar PATH WV labor (labor not capitalized) current year PATH WV PBOP Expense for current year PATH WV PBOP Expense in Account 926 for current year PBOP Adjustment for Appendix A, Line 49 Lines 175-179 cannot change absent approval or acceptance by FERC in a separate proceeding. $117,254,159 $0 $117,254,159 1,151,954,661 $0.102 676,841 $68,894 $68,894 $0 184 185 186 187 188 189 190 191 192 193 194 PATH-WV - Allegheny Employees Total PBOP expenses Amount relating to retired personnel Amount allocated on FTEs Number of FTEs Cost per FTE PATH WV FTEs (labor not capitalized) current year PATH WV PBOP Expense for current year PATH WV PBOP Expense in Account 926 for current year PBOP Adjustment for Appendix A, Line 49 Lines 185-189 cannot change absent approval or acceptance by FERC in a separate proceeding. $22,856,433 $8,786,372 $14,070,061 4,474 $3,145 $0 $0 $0 195 PBOP expense adjustment (sum lines 183 & 193) Details $0 Attachment CAD-I-34-A PATH-A 4 - Cost Support Attachment H-19A Page 18 of 32 Attachment 4 - Cost Support PATH Allegheny Transmission Company, LLC Plant in Service Worksheet 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Attachment A Line #s, Descriptions, Notes, Form 1 Page #s and Instructions Calculation of Transmission Plant In Service Source June p206.58.b July company records August company records September company records October company records November company records December company records January company records February company records March company records April company records May company records June p207.58.g Transmission Plant In Service (sum lines 2-14) /13 Year 2013 2013 2013 2013 2013 2013 2013 2014 2014 2014 2014 2014 2014 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Calculation of Distribution Plant In Service June July August September October November December January February March April May June Distribution Plant In Service Source 2013 2013 2013 2013 2013 2013 2013 2014 2014 2014 2014 2014 2014 - 31 32 33 34 Calculation of Intangible Plant In Service June June Intangible Plant In Service Source 2013 2014 - 35 36 37 38 Calculation of General Plant In Service June June General Plant In Service Source 2013 2014 - 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 Calculation of Production Plant In Service June July August September October November December January February March April May June Production Plant In Service Source 2013 2013 2013 2013 2013 2013 2013 2014 2014 2014 2014 2014 2014 - p206.75.b company records company records company records company records company records company records company records company records company records company records company records p207.75.g (sum lines 17-29) /13 204.5b p205.5.g (sum lines 32 & 33) /2 p206.99.b p207.99.g (sum lines 36 & 37) /2 p204.46b company records company records company records company records company records Attachment 6 company records company records company records company records company records p205.46.g (sum lines 40-52) /13 Balance 656,947,886 656,947,886 656,947,886 656,947,886 656,947,886 656,947,886 656,947,886 656,947,886 656,947,886 656,947,886 656,947,886 656,947,886 656,947,886 656,947,886 656,947,886 656,947,886 656,947,886 656,947,886 656,947,886 656,947,886 656,947,886 656,947,886 656,947,886 656,947,886 656,947,886 656,947,886 656,947,886 656,947,886 Attachment 4 - Cost Support PATH Allegheny Transmission Company, LLC Attachment CAD-I-34-A PATH-A 4 - Cost Support Attachment H-19A Page 19 of 32 54 55 56 57 Calculation of Common Plant In Service June June Common Plant In Service Source Year 2013 2014 58 Total Plant In Service (sum lines 15, 30, 34, 38, 53, & 57) p356 p356 (sum lines 55 & 56) /2 Balance 656,947,886 Accumulated Depreciation Worksheet 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 Attachment A Line #s, Descriptions, Notes, Form 1 Page #s and Instructions Calculation of Transmission Accumulated Depreciation Source June Prior year p219.25 July company records August company records September company records October company records November company records December company records January company records February company records March company records April company records May company records June p219.25 Transmission Accumulated Depreciation (sum lines 60-72) /13 Year 2013 2013 2013 2013 2013 2013 2013 2014 2014 2014 2014 2014 2014 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 Calculation of Distribution Accumulated Depreciation June July August September October November December January February March April May June Distribution Accumulated Depreciation Source 2013 2013 2013 2013 2013 2013 2013 2014 2014 2014 2014 2014 2014 89 90 91 92 Calculation of Intangible Accumulated Depreciation June June Accumulated Intangible Depreciation Source 93 94 95 96 Calculation of General Accumulated Depreciation June June Accumulated General Depreciation Source Prior year p219.26 company records company records company records company records company records company records company records company records company records company records company records p219.26 Details (sum lines 75-87) /13 Prior year p200.21.c p200.21c - 2013 2014 - 2013 2014 - (sum lines 90 & 91) /2 Prior year p219.28 p219.28 Balance 4,474,994 5,514,427 6,553,860 7,593,293 8,632,726 9,672,159 10,711,592 11,751,024 12,790,457 13,829,890 14,869,323 15,908,756 16,948,189 10,711,592 (sum lines 94 & 95) /2 Attachment 4 - Cost Support PATH Allegheny Transmission Company, LLC 97 98 99 100 101 102 103 104 105 106 Calculation of Production Accumulated Depreciation June July August September October November December January February Source Prior year p219 company records company records company records company records company records company records company records company records Year 2013 2013 2013 2013 2013 2013 2013 2014 2014 Balance - Attachment CAD-I-34-A PATH-A 4 - Cost Support Attachment H-19A Page 20 of 32 107 108 109 110 111 March April May June Production Accumulated Depreciation company records company records company records 112 113 114 115 Calculation of Common Accumulated Depreciation June June Common Plant Accumulated Depreciation (Electric Only) Source 116 Total Accumulated Depreciation (sum lines 73, 88, 92, 96, 111, & 115) ADJUSTMENTS TO RATE BASE p219.20 thru 219.24 2014 2014 2014 2014 - 2013 2014 - (sum lines 98-110) /13 p356 p356 (sum lines 113 & 114) /2 10,711,592 (Note A) 117 118 119 120 121 Attachment A Line #s, Descriptions, Notes, Form 1 Page #s and Instructions Beginning of Year Account No. 281 (enter negative) 273.8.k Account No. 282 (enter negative) 275.2.k (2,520,499) Account No. 283 (enter negative) 277.9.k Account No. 190 234.8.c Account No. 255 (enter negative) 267.8.h - Details 122 Unamortized Abandoned Plant Per FERC Order - - 0 123 Prepayments (Account 165) 111.57.c - - 0 End of Year Average Balance 0 (18,766,563) -10,643,531 0 0 0 Attachment 4 - Cost Support PATH Allegheny Transmission Company, LLC 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 Calculation of Transmission CWIP June July August September October November December January February March April May June Transmission CWIP Source 216.b company records company records company records company records company records company records company records company records company records company records company records 216.b (sum lines 125-137) /13 2013 2013 2013 2013 2013 2013 2013 2014 2014 2014 2014 2014 2014 $ - - - Beg of year - End of Year - - - LAND HELD FOR FUTURE USE 139 Attachment A Line #s, Descriptions, Notes, Form 1 Page #s and Instructions LAND HELD FOR FUTURE USE p214 Total Non-transmission Related Transmission Related Average Details - Attachment CAD-I-34-A PATH-A 4 - Cost Support Attachment H-19A Page 21 of 32 EPRI Dues Cost Support Attachment A Line #s, Descriptions, Notes, Form 1 Page #s and Instructions Allocated General & Common Expenses 140 Details EPRI Dues p352-353 EPRI Dues & Common Expenses Common Expenses p356 EPRI Dues - Common Expenses - Regulatory Expense Related to Transmission Cost Support 141 Form 1 Amount Attachment A Line #s, Descriptions, Notes, Form 1 Page #s and Instructions Directly Assigned A&G Regulatory Commission Exp Account 928 p323.189.b Transmission Related - Nontransmission - Details - Attachment 4 - Cost Support PATH Allegheny Transmission Company, LLC Safety Related Advertising, Education and Out Reach Cost Support Form 1 Amount Attachment A Line #s, Descriptions, Notes, Form 1 Page #s and Instructions 142 Directly Assigned A&G General Advertising Exp Account 930.1 p323.191.b Safety, Education, Siting & Outreach Related - Other - Details - None Multi-state Workpaper Attachment A Line #s, Descriptions, Notes, Form 1 Page #s and Instructions State 1 State 2 State 3 MD 8.25% WV 8.750% VA 6.000% State 4 State 5 Weighed Average Income Tax Rates 143 SIT=State Income Tax Rate or Composite 7.771% Excluded Plant Cost Support 144 Excluded Transmission Facilities Attachment A Line #s, Descriptions, Notes, Form 1 Page #s and Instructions Adjustment to Remove Revenue Requirements Associated with Excluded Transmission Facilities Excluded Transmission Facilities 1 Description of the Facilities - Instructions: Remove all investment below 69 kV facilities, including the investment allocated to distribution of a dual function substation, generator, interconnection and local and direct assigned facilities for which separate costs are charged and step-up generation substation included in transmission plant in service. Enter $ If unable to determine the investment below 69kV in a substation with investment of 69 kV and higher as well as below 69 kV, the following formula will be used: Example Total investment in substation 1,000,000 Identifiable investment in Transmission (provide workpapers) 500,000 Identifiable investment in Distribution (provide workpapers) 400,000 Amount to be excluded (A x (C / (B + C))) 444,444 Or Enter $ General Description of the Facilities None 2 A B C D Add more lines if necessary Materials & Supplies Attachment A Line #s, Descriptions, Notes, Form 1 Page #s and Instructions 145 Assigned to O&M 146 147 Stores Expense Undistributed Undistributed Stores Exp 148 Transmission Materials & Supplies p227.6 p227.16 Beg of year End of Year - - - - p227.8 - Average - - - Regulatory Asset Attachment A Line #s, Descriptions, Notes, Form 1 Page #s and Instructions 149 Beginning Balance of Regulatory Asset p111.72.d - Uncapitalized costs as of date the rates become effective Attachment CAD-I-34-A PATH-A 4 - Cost Support Attachment H-19A Page 22 of 32 150 151 152 153 154 Months Remaining in Amortization Period Monthly Amortization Months in Year to be amortized Ending Balance of Regulatory Asset Average Balance of Regulatory Asset (line 149 - line 153) / 152 - p111.72.c - (line 149 + line 153)/2 0 As approved by FERC 0 Number of months rates are in effect during the calendar year Attachment 4 - Cost Support PATH Allegheny Transmission Company, LLC Capital Structure Attachment A Line #s, Descriptions, Notes, Form 1 Page #s and Instructions 155 Monthly Balances for Capital Structure 156 Year Debt Preferred Stock Common Stock 157 June 2013 0 0 158 July 2013 159 August 2013 160 September 2013 161 October 2013 162 November 2013 163 December 2013 164 January 2014 165 February 2014 166 March 2014 167 April 2014 168 May 2014 169 Average 0 0 Note: the amount outstanding for debt retired during the year is the outstanding amount as of the last month it was outstanding; the equity is less Account 216.1, Preferred Stock, and Account 219; and the capital structure is fixed at 50/50 until the first two lines are placed in service Detail of Account 566 Miscellaneous Transmission Expenses Attachment A Line #s, Descriptions, Notes, Form 1 Page #s and Instructions Total 170 171 172 Amortization Expense on Regulatory Asset Miscellaneous Transmission Expense Total Account 566 p 324a.36 - PBOPs 173 Attachment A Line #s, Descriptions, Notes, Form 1 Page #s and Instructions Calculation of PBOP Expenses 174 175 176 177 178 179 180 181 182 183 184 PATH - Allegheny - Allegheny Employees Total PBOP expenses Amount relating to retired personnel Amount allocated on FTEs Number of FTEs Cost per FTE PATH Allegheny FTEs (labor not capitalized) current year PATH Allegheny PBOP Expense for current year PATH Allegheny PBOP Expense in Account 926 for current year PBOP Adjustment for Appendix A, Line 49 Lines 175-179 cannot change absent approval or acceptance by FERC in a separate proceeding. Details $22,856,433 $8,786,372 $14,070,061 4,475 $3,144 22.00 $69,179 $69,179 - Attachment CAD-I-34-A PATH-WV 5 - Cap Add WS Attachment H-19A Page 23 of 27 Attachment 5 - Transmission Enhancement Charge Worksheet PATH West Virginia Transmission Company, LLC 1 New Plant Carrying Charge 2 3 4 5 6 Formula Line Item 5 NET REVENUE REQUIREMENT 22 NET TRANSMISSION PLANT IN SERVICE 33 CWIP Carrying charge (line 3/sum of lines 4 and 5) (1) 7 8 236,195,394 1,179,342,488 0.20028 (2) (3) (4) (5) (6) The FCR resulting from Formula in a given year is used for that year only. Therefore actual revenues collected in a year do not change based on cost data for subsequent years PJM Upgrade ID: b0490 & b0491 Details 9 10 11 12 "Yes" if a project under PJM OATT Schedule 12, otherwise "No" Schedule 12 FCR for This Project Forecast – Forecast of average 13 month current year net transmission plant plus 13-mo CWIP balances. Reconciliation – Average of 13 month prior year net transmission plant balances plus prior year 13mo CWIP balances. Investment Revenue Requirement (Yes or No) Amos Substation Upgrade - CWIP Amos to Midpoint Line - CWIP Yes Yes 20.0% 0 - 20.0% Midpoint Substation and SVC - CWIP Yes 20.0% Midpoint to Interconnection with PATH Transmission Allegheny - CWIP Plant In Service Totals Yes 20.0% 20.0% - - - 1,179,342,488 1,179,342,488 - - - 236,195,393.51 236,195,394 Attachment CAD-I-34-A PATH-A 5 - Cap Add WS Attachment H-19A Page 24 of 27 Attachment 5 - Transmission Enhancement Charge Worksheet PATH Allegheny Transmission Company, LLC 1 New Plant Carrying Charge 2 3 4 5 6 Formula Line Item 6 NET REVENUE REQUIREMENT 23 NET TRANSMISSION PLANT IN SERVICE 34 CWIP Carrying charge (line 3/sum of lines 4 and 5) (1) 7 8 128,477,139 646,236,294 0.19881 (2) (3) (4) (5) The FCR resulting from Formula in a given year is used for that year only. Therefore actual revenues collected in a year do not change based on cost data for subsequent years PJM Upgrade ID: b0492 & b0560 Details 9 10 11 12 Kemptown to Interconnection with Midpoint Kemptown Substation PATH West Virginia - Substation and - CWIP CWIP SVC - CWIP "Yes" if a project under PJM OATT Schedule 12, otherwise "No" Schedule 12 FCR for This Project Forecast – Forecast of average 13 month current year net transmission plant plus 13-mo CWIP balances. Reconciliation – Average of 13 month prior year net transmission plant balances plus prior year 13-mo CWIP balances. Investment Revenue Requirement (Yes or No) Yes Yes 19.9% 0 - Yes Transmission Plant In Service Totals Yes 19.9% 19.9% 19.9% - - 646,236,294 646,236,294 - - 128,477,139.31 128,477,139 Attachment CAD-I-34-A PATH-WV 10 - Depreciation Rates Attachment H-19A Page 25 of 27 \ Potomac-Appalachian Transmission Highline, LLC Attachment 10 - Depreciation Accrual Rates Applicable to PATH West Virginia Transmission Company, LLC Updated Account Balance June 30, 2014 TRANSMISSION PLANT Accrual Rate (Annual) Percent Annual Depreciation Expense $163,650,655 0.0143 2,340,204 $15,904,578 0.0182 289,463 Station Equipment Other SVC Dynamic Control Equipment $160,398,383 $93,400,000 0.0243 0.0409 3,897,681 3,820,060 354 Towers & Fixtures $390,932,743 0.0126 4,925,753 355 Poles & Fixtures $171,172,193 0.0311 5,323,455 356 Overhead Conductors & Devices $196,773,976 0.0113 2,223,546 350.2 Land & Land Rights - Easements 352 Structures & Improvements 353 Total Transmission Plant Depreciation 22,820,162 Total Transmission Depreciation Expense (must tie to p336.7.b & c) 22,820,162.00 Accrual Rate (Annual) Percent GENERAL PLANT 390 Structures & Improvements 391 392 Annual Depreciation Expense 2.00% - Office Furniture & Equipment Information Systems Data Handling 5.00% 10.00% 10.00% - Transportation Equipment Other Autos Light Trucks Medium Trucks Trailers ATV 5.33% 11.43% 6.96% 6.96% 4.44% 5.33% - - - 393 Stores Equipment 5.00% - 394 Tools, Shop & Garage Equipment 5.00% - 395 Laboratory Equipment 5.00% - 396 Power Operated Equipment 4.17% - 397 Communication Equipment 6.67% - 398 Total General Plant Miscellaneous Equipment 6.67% - - Total General Plant Depreciation Expense (must tie to p336.10.b & c) INTANGIBLE PLANT 303 Total Intangible Plant Miscellaneous Intangible Plant Total Intangible Plant Amortization (must tie to p336.1 d & e) These depreciation rates will not change absent the appropriate filing at FERC. Accrual Rate (Annual) Percent Annual Depreciation Expense 20.00% - - Attachment CAD-I-34-A PATH-A 10 - Depreciation Rates Attachment H-19A Page 26 of 27 Potomac-Appalachian Transmission Highline, LLC Attachment 10 - Depreciation Accrual Rates Applicable to PATH Allegheny Transmission Company, LLC Updated Account Balance June 30, 2014 TRANSMISSION PLANT Accrual Rate (Annual) Percent Annual Depreciation Expense 350.2 Land & Land Rights - Easements $98,564,527 1.43% 1,409,473 352 Structures & Improvements $26,007,000 1.82% 473,327 353 Station Equipment Other SVC Dynamic Control Equipment $222,093,000 $0 2.43% 4.09% 5,396,860 - 354 Towers & Fixtures $157,775,201 1.26% 1,987,968 355 Poles & Fixtures $74,859,872 3.11% 2,328,142 356 Overhead Conductors & Devices $77,648,287 1.13% 877,425 Total Transmission Plant Depreciation 12,473,195 12,473,195 Total Transmission Depreciation Expense (must tie to p336.7.b & c) Accrual Rate (Annual) Percent Annual Depreciation Expense GENERAL PLANT 390 Structures & Improvements 391 392 2.00% - Office Furniture & Equipment Information Systems Data Handling 5.00% 10.00% 10.00% - Transportation Equipment Other Autos Light Trucks Medium Trucks Trailers ATV 5.33% 11.43% 6.96% 6.96% 4.44% 5.33% - - - 393 Stores Equipment 5.00% - 394 Tools, Shop & Garage Equipment 5.00% - 395 Laboratory Equipment 5.00% - 396 Power Operated Equipment 4.17% - 397 Communication Equipment 6.67% - 398 Total General Plant Miscellaneous Equipment 6.67% - - Total General Plant Depreciation Expense (must tie to p336.10.b & c) Accrual Rate (Annual) Percent INTANGIBLE PLANT 303 Total Intangible Plant Miscellaneous Intangible Plant Total Intangible Plant Amortization (must tie to p336.1 d & e) These depreciation rates will not change absent the appropriate filing at FERC. 20.00% Annual Depreciation Expense - - Attachment CAD-I-34-B PATH-Allegheny State Breakdown Source: FERC Account Breakdown Worksheet 3.20.09 VA Lines Acct. 350 Acct. 354 Acct. 355 Acct. 356 Acct. 356 Total Lines Substations Acct. 350 Acct. 352 Acct. 353 Acct. 354 Acct. 355 Acct. 356 Acct. 356 Total Substation Total State WV MD Total 40,013,543 70,576,964 31,491,563 33,078,022 1,998,709 177,158,800 20,261,635 35,738,017 15,946,365 16,749,699 1,012,085 89,707,800 24,989,350 44,076,888 19,667,183 20,657,962 1,248,238 110,639,621 85,264,527 150,391,869 67,105,110 70,485,682 4,259,032 377,506,221 0 5,000,000 7,767,000 57,733,000 2,800,000 3,000,000 200,000 1,000,000 77,500,000 8,300,000 18,240,000 164,360,000 4,583,333 4,754,762 213,095 1,490,476 201,941,666 13,300,000 26,007,000 222,093,000 7,383,333 7,754,762 413,095 2,490,476 279,441,666 177,158,800 167,207,800 312,581,287 656,947,887 Attachment CAD-I-34-C WP-18e p3(MP) Statement G WP-18e Page 3 of 3 PJM Network Service Peak Load (NSPL) 2008 Peak Allegheny Power Zone Monongahela Power - West Virginia Total Allegheny Power Zone American Electric Power Zone Monongahela Power - West Virginia Power Total American Electric Power Zone MW % to Total 1,824.1 21.64% 8,427.6 100.00% 116.7 24,206.9 0.482% 100.00% Attachment CAD-I-34-C WP-18e p3(PE) Statement G WP-18e Page 3 of 3 PJM Network Service Peak Load (NSPL) 2008 Peak Allegheny Power Zone Potomac Edison - West Virginia Total Allegheny Power Zone MW % to Total 591.9 7.02% 8,427.6 100.00% Attachment CAD-I-34-C PJM NSPL PJM Network Transmission Service Peak Loads for 2009 (November 1, 2007 - October 31, 2008) PJM NSPL 2009 AEP Allegheny Power Atlantic Electric Baltimore Gas & Electric ComEd Dayton Delmarva Dominion Duquesne Jersey Central Metropolitan Edison PECO Pennsylvania Electric Potomac Electric Power PPL PSE&G Rockland ECP [a] Neptune [a] Total 24,206.9 8,427.6 2,638.4 6,929.5 20,948.0 3,495.8 3,990.9 19,051.0 2,821.7 6,298.6 3,045.3 8,824.0 2,879.9 6,751.0 7,509.5 10,654.0 439.9 330.0 685.0 139,927.0 17.30% 6.02% 1.89% 4.95% 14.97% 2.50% 2.85% 13.61% 2.02% 4.50% 2.18% 6.31% 2.06% 4.82% 5.37% 7.61% 0.31% 0.24% 0.49% 100.00% Mon Power 1824.1 [a] Merchant transmission withdrawals Monthly Jurisdictional NSPL - 2009 b/o AP Zone 2008 peak Retail MPWVA PEWVA VA Jan 1824.1 591.9 621.6 Percent of Zone 21.64% 7.02% 7.38% NSPL Load PE - WV WV Power 591.9 116.7 Mon Power 21.64% % of Zone PE - WV WV Power Total AP-WV 7.0% 0.482% 28.7% Attachment CAD-I-34-C PJM NSPL PA (1) default PA shopping (AE Supply) MD (1) default MD default POLR II (Type I) MD default POLR II (Type II) MD default POLR II (Hourly) MD default POLR I (Residential) MD shopping (AE Supply) MD shopping (others) Total AP Retail Wholesale Wholesale (AE Supply) (2) Wholesale (others) Total AP Wholesale Total AP (3) 3620.2 57.3 952.8 50.4 146.8 42.6 713.0 39.7 401.0 8108.6 42.96% 0.68% 11.31% 0.60% 1.74% 0.51% 8.46% 0.47% 4.76% 96.21% 103.8 215.2 319.0 8427.6 1.23% 2.55% 3.79% 100.00% (1) Monthly changes in NSPL reflect shopping customers (2) AE Supply currently serves Letterkenny, Hagerstown, Thurmont and Williamsport wholesale load (3) APS 2008 peak hour - June 9, 2008 @ 1700 Total PA & MD 4630.257 = fixed values