Dim Your Bill

01Plug-in solar

Plug-in solar in Washington

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Is plug-in solar legal in Washington?

Bill stalled until 2027 Not yet. Washington's 2026 bill (SB 6050 / HB 2296) didn't pass; supporters expect to try again in the 2027 session.

Without a dedicated law, a kit that sends power into your home wiring counts as a grid connection under your utility’s rules for rooftop solar. That usually means an interconnection application, and some utilities charge fees or require a licensed installer.

What you can do today:

  • Ask your utility whether it has a simplified process for systems under 1,000 W. A few do.
  • Use solar without touching the grid: a power station charged by portable panels is legal everywhere, including in a rental.
  • Watch the bill. Washington’s bill is SB 6050 / HB 2296. We update this page when anything changes.

What a kit would save in Washington

Kit sizeSolar per yearSaved per year
400 W313 kWh$39
800 W627 kWh$78
1,200 W940 kWh$117

Panels on a south-facing balcony railing, Washington’s average sunshine (NREL PVWatts, state average), today’s price of 14.6¢/kWh, and 85% of the output used at home. Run it for your ZIP code.

See every state’s plug-in solar status, or electricity prices and other rules in Washington.

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