Generating Facility Standard Process
Interconnection Application
Send the completed Interconnection Application to:
Unitil
Attn. Generator Interconnections
6 Liberty Lane West
Hampton, NH 03842
Tel: (603) 773-6480
Email: generator@unitil.com
The following documentation is required with the completed application:
 Documentation that the applicant has control for the property on which the proposed
facility is located. The documentation may include proof of ownership, leaseholder
agreement, right to develop, or option to acquire the site.
 Site documentation describing and detailing the location of power equipment and
protective interface equipment on property.
 Electrical one-line and three-line diagrams showing the configuration of the facility, all
current and potential circuits, and schematic diagrams of protection and control
schemes. All electrical drawings must be signed and stamped by a licensed
Professional Engineer.
Application Information
Has a Pre-application request with fee been submitted?
Yes ____ No ____
Pre-Application Number _____________________
Is this Interconnection request for:
An expansion or modification of an existing facility?
Yes ____ No ____
If yes, please describe:
____________________________________________________________
____________________________________________________________
Planning to Export Power?
Yes ____ No ____
Net Metering:
Yes ____ No ____
Qualified Facility (QF)
Yes ____ No ____
Third Party Power Contract Yes ____ No ____
If QF or third party sale, anticipated power purchaser(s):
__________________________________________
Who is the existing Energy Service Provider?
Provider: _________________________________________
Telephone # ______________________________________
Effective May 2016
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Contact Information
Date Prepared___________
Legal Name and address of Interconnecting Customer
Company Name: _________________________Contact Person:
Mailing Address:
City:
State:
Telephone (Daytime):
(Evening):
Facsimile Number:
E-Mail Address:
Zip Code:
Alternative Contact Information (if different from Applicant)
Name:
Mailing Address:
City:
State:
Telephone (Daytime):
(Evening):
Facsimile Number:
E-Mail Address:
Zip Code:
Generating Facility Information
Location (if different from above):
Customer Name: _________________________Contact Person:
Mailing Address:
City:
State:
Zip Code:
Telephone (Daytime):
(Evening):
Facsimile Number:
E-Mail Address:
Electric Service Company:
Account Number (if available):
Meter Number (if available): _________________
Total System Peak AC Rating (kW): __________________
(This is the sum of all Peak AC Nameplate Ratings.)
Type of Generating Unit:
Synchronous _______
Manufacturer:
Induction_____
Inverter_____
Model:
(If there are various multiple generators with various models, please specify in the Generating
Facility Technical Detail section on following page(s)
Effective May 2016
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Nameplate Rating (Peak AC):
Real Power: ________(kW) Reactive Power: _______ (kVAr)
at
_______ (Volts) Single ______ or Three ______ Phase
Prime Mover: Fuel Cell___ Recip Engine___ Gas Turb___ Steam Turb___ Microturbine___
PV___
Other
Energy Source: Solar
(Please Specify)
Wind
Other
UL1741 Listed? Yes
Est. Install Date:
Hydro
Diesel
Natural Gas
Fuel Oil
(Specify)
_________(Please Specify)
No
Est. In-Service Date: __________Agreement Needed By: _______
Application Process
I hereby certify that, to the best of my knowledge, all of the information provided in this
application is true:
Customer Signature:
Title:
Date:
Effective May 2016
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Generating Facility Technical Detail
List components of the Generating Facility that are currently certified and/or listed to national
standards
Equipment Type
Standard
1.
Manufacturer
Model
National
2.
3.
4.
5.
6.
Total Number of Generating Units in Facility?
Generator Unit Power Factor Rating:
Max Adjustable Leading Power Factor?
Max Adjustable Lagging Power Factor?
Generator Characteristic Data (for all inverter-based machines)
Max Design Fault Contribution Current?
Instantaneous
or RMS
Harmonics Characteristics:
Start-up power requirements:
Generator Characteristic Data (for all rotating machines)
Rotating Frequency:
Grounding Resistor (If Applicable):
(rpm)
Neutral
Additional Information for Synchronous Generating Units
Synchronous Reactance, Xd:
(PU) Transient Reactance, X’d:
(PU)
Subtransient Reactance, X”d:
(PU) Neg Sequence Reactance, X2:
(PU)
Zero Sequence Reactance, Xo:
(PU) KVA Base:
Field Voltage:
(Volts)
Field Current:
(Amps)
Additional information for Induction Generating Units
Rotor Resistance, Rr:
Stator Resistance, Rs:
Rotor Reactance, Xr:
Stator Reactance, Xs:
Magnetizing Reactance, Xm:
Short Circuit Reactance, Xd”:
Exciting Current:
Temperature Rise:
Effective May 2016
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Frame Size:
Total Rotating Inertia, H:
Per Unit on KVA Base:
Reactive Power Required In Vars (No Load):
Reactive Power Required In Vars (Full Load):
Additional information for Induction Generating Units that are started by motoring
Motoring Power:
(kW)
Design Letter:
Interconnection Facilities Technical Detail
Will a transformer be used between the generator and the point of interconnection?
No
Yes
Will the transformer be provided by Customer?
No
Yes
Transformer Data (if applicable, for Customer-Owned Transformer):
Nameplate Rating:
(kVA)
Transformer Impedance:
If Three Phase:
Transformer Primary:
Single
(%) on a
or Three
Phase
KVA Base
(Volts) ___Delta ____ Wye _____ Wye Grounded ____ Other
Transformer Secondary:
_____ Wye Grounded ____ Other
(Volts) ___Delta ____ Wye
Transformer Fuse Data (if applicable, for Customer-Owned Fuse):
(Attach copy of fuse manufacturer’s Minimum Melt & Total Clearing Time-Current Curves)
Manufacturer:
Type:
Size:
Speed:
Interconnecting Circuit Breaker (if applicable):
Manufacturer:
Type:
Load Rating:
Interrupting Rating:
Trip Speed:
(Amps)
(Amps)
(Cycles)
Interconnection Protective Relays (if applicable):
(If microprocessor-controlled)
List of Functions and Adjustable Setpoints for the protective equipment or software:
Setpoint Function
Minimum
Maximum
1.
2.
3.
4.
5.
6.
Effective May 2016
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(If discrete components)
(Enclose copy of any proposed Time-Overcurrent Coordination Curves)
Manufacturer:
Type:
Style/Catalog No.:
Proposed Setting:
Manufacturer:
Type:
Style/Catalog No.:
Proposed Setting:
Manufacturer:
Type:
Style/Catalog No.:
Proposed Setting:
Manufacturer:
Type:
Style/Catalog No.:
Proposed Setting:
Manufacturer:
Type:
Style/Catalog No.:
Proposed Setting:
Current Transformer Data (if applicable):
(Enclose copy of Manufacturer’s Excitation & Ratio Correction Curves)
Manufacturer:
Type:
Accuracy Class:
Proposed Ratio Connection:
Manufacturer:
Type:
Accuracy Class:
Proposed Ratio Connection:
Potential Transformer Data (if applicable):
Manufacturer:
Type:
Accuracy Class:
Proposed Ratio Connection:
Manufacturer:
Type:
Accuracy Class:
Proposed Ratio Connection:
Effective May 2016
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