TEMPORARY OPERATING INSTRUCTION
16-05244
O.O.
Name of
Outage:
Effective Dates:
Standing Guide
Reference:
Description
of Work:
No.
File
No.
1-10542605
MISO No.
16-083
240803
Prairie Caps 7-12
230 kV Line D14S (Dorsey – St. Leon)
2016-04-16 from 2000 to 2016-04-17 at 1600 CDT
MHEX – USA Special Study as per L. Ruchkall 2016-04-16
D14S – Replace defective line potential bank at Dorsey C.S.
TRANSFER LIMITS:
MH-USA South (MH Export)
SOL:
Location
USA
TTC
1800
Schedule
Limit
1800
1575
RM
Transfer
(SOL)
CRSG
OM
Firm
NonFirm
Schedule
Limit
0
1800
150
75
1575
0
1575
MH-USA North (MH Import)
IROL
Location
USA
TLR
Triggers
800
SOL:
Schedule
Limit
750
700
TTC
750
RM
Transfer
(SOL)
CRSG
OM
Firm
NonFirm
Schedule
Limit
0
750
500
50
200
500
700
South
TLR 1
South
TLR 3
North
TLR 1
North
TLR 3
1617
1650
698
713
Document1_ D14S_04_17_to_04_17.doc
Page 1 of 3
TEMPORARY OPERATING INSTRUCTION
MISO
Webtool
Postings
Special Notes
to MISO West
RC
Special
Instructions to
MHEB Operator
Special
Instructions to
MHEB Operator
(cont):
MISO
Webtool
Postings
TTC
TRM
No.
16-083
Coeff
MHEX_S
(Export)
1800
225
1.000
MHEX_N
(Import)
750
550
0.091
A) If the MISO RTCA and MISO Flowgate Monitoring Tool is unavailable prior to or
during this outage, MISO RC will notify MHEB that these tools are not available.
A) TOI Extentions - This TOI may be extended until 23:59 by performing the
following steps:
1. Verify system conditions to confirm there are no additional tie line facilities
outages, or new internal MH outages.
2. Review RTCA to confirm there are no new contingencies.
3. Contact MISO to confirm there are no new outages, if there are no new outages
provide notice to MISO that MH is extending the TOI.
4. Extend the outage in COLA.
5. Update TLAP outage table.
6. Provide notice to affected balancing authorities
B) When called upon by MISO for the supply of CRSG:
If Real Time Contingency Analysis (RTCA) indicates a post contingent overload
condition on Y51L for the contingent loss of G37C - redispatch MH generation to
maintain CRSG delivery as per:

Start Brandon Gas Generation and run up to 60 MW.
Brandon generation must be re-dispatched from HVDC generation at Dorsey

After 60 MW re-dispatch is complete, should RTCA continues to indicate a post
Document1_ D14S_04_17_to_04_17.doc
Page 2 of 3
TEMPORARY OPERATING INSTRUCTION
No.
16-083
contingent overload condition on Y51L due to the contingent loss of G37C,
Continue to re-dispatch generation from Brandon gas in 10 MW increments
until post contingent overload on Y51L has been mitigated.

Prepared By:
The mitigation must be completed within 30 minutes.
M. Edmunds
Copies to:
SOSS, System Control Centre
NSSS, System Control Centre
GSSS, System Control Centre
Document1_ D14S_04_17_to_04_17.doc
Date:
2016 04 16
MISO
GSO, System Control Centre
Page 3 of 3