2 county-level rules, plus city-specific rules for 1 city in Whatcom County, Washington.
Verified from official government sources
Whatcom County requires building and electrical permits for solar installations. Rooftop systems must meet structural, fire-setback, and electrical standards, and the array interconnects with Puget Sound Energy under Washington's net-metering law, RCW 80.60.
RCW 64.04.140
The legislature declares that the potential economic and environmental benefits of solar energy use are considered to be in the public interest; therefore, local governments are authorized to encourage and protect access to direct sunlight for solar energy systems.
Homeowners in Whatcom County HOAs are protected by Washington's solar rights law. Under RCW 64.38.055, HOA governing documents may not prohibit rooftop solar panels, though the association may set reasonable placement and appearance conditions.
RCW 64.38.055(1)
The governing documents may not prohibit the installation of a solar energy panel by an owner or resident on the owner's or resident's property
1 cities in Whatcom County have their own solar energy rules. Each link goes to that city's dedicated page with code citations.
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