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RAPIDRegulatory and Permitting Information Desktop Toolkit
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Washington Hydropower Transmission & Interconnection(8-WA)

In Washington, a hydropower developer should consider transmission siting approvals required for the project and comply with federal and state law. Currently, the RAPID Toolkit does not have state specific content regarding transmission siting and interconnection regulations for hydropower development in Washington.

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Determine Which State and Federal Permits Apply

Use this overview flowchart and following steps to learn which federal and state permits apply to your projects.

Narrow your results (by hydropower project type)


Permitting at a Glance

Public Utility Certificate: The Washington Utilities and Transportation Commission does not a have a state specific certificate process for transmission line development. Public utilities may need a Site Certification Agreement from the Washington State Energy Facility Site Evaluation Council. WAC - 463-61 - Electrical Transmission Facilities.
Interconnection Request: Washington does not currently have a state specific interconnection request process.