Interconnection
Small Generators up to 5 MW and Large Generators
If you are a current Avista electric customer and would like to install a system and sell all or a portion of the output to Avista, please contact Avista’s PURPA experts.
Power Purchase Agreement Information (PDF)
For more information about connecting or selling your PURPA resource to Avista, contact Avista’s PURPA experts.
PURPA Interconnection Information:
Please refer to Avista’s FERC accepted Large Generator Interconnection Procedures (LGIP) and Small Generator Interconnection Procedures (SGIP) in its Open Access Transmission Tariff (OATT) on Avista’s OASIS webpage under the “Tariff” folder on the left column.
Additional information can be found under the folders “Generation Interconnection Cluster Studies” and “Business Practices, Waivers, and Exemptions.”
View the Washington PURPA Non-Binding Term Sheet (PDF) for large generators greater than 5 MW.