How to Request a Large Generation Interconnection with Puget Sound Energy, Inc.
Puget Sound Energy, Inc. (PSE) is an investor-owned utility subject to Federal Energy Regulatory
Commission (FERC) jurisdiction. The procedure for requesting an interconnection to PSE’s
system is the same as that contained in FERC’s Order 2003-A, Standard Large Generator
Interconnection Procedures (LGIP).
The LGIP is part of PSE’s Open Access Transmission Tariff, which can be found on PSE’s
OASIS at the following web address: http://www.oatioasis.com/psei/index.html.
To initiate an interconnection request, the Interconnection Customer shall submit to Puget Sound
Energy’s Transmission Provider function:
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A written Interconnection Request (see Appendix 1 to the LGIP for data requirements).
A deposit of $10,000. PSE shall apply the deposit toward the cost of an Interconnection
Feasibility Study. Subsequent studies require additional deposits.
A separate Interconnection Request for each site, or multiple Interconnection Requests
for a single site.
A deposit is required with each Interconnection Request even when more than one
request is submitted for a single site.
An Interconnection Request to evaluate one site at two different voltage levels shall be treated as
two Interconnection Requests.
Requests and corresponding deposits are to be sent to:
John Phillips
Manager, Transmission Contracts
Puget Sound Energy EST-06E
355-110th Ave NE
Bellevue, WA 98004
Attention: Laura Hatfield
For additional information please refer to Puget Sound Energy’s posted Open Access
Transmission Tariff at: http://www.oatioasis.com/psei/index.html.
Or call 425.462.3400.
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