All 60 utilities / Avista
Avista solar interconnection: what it requires before you energize
How does Avista detect unpermitted backfeed?
Being verified being verified
What happens if they catch you?
Being verified being verified
Small and DIY interconnection requirements
Their own wording: apply before purchase or install. Around 20 business days to approval, self install acknowledged. documented
Under 100 kW net metering, credits reset March 31. WA law blocks extra insurance requirements. documented
sources: Avista net metering · WA RCW 80.60
Verify your export before Avista does
Avista nets your exports, but the meter still logs every reverse-flow interval, including ones you didn't plan. Worth knowing your real number before they do.
Clamp meter on the grid input · energy monitor on the export register
Building battery-first or zero-export anyway? Craftstrom · EZ-1 · EG4
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Related: Puget Sound Energy (WA) · AEP Ohio (OH)
Planning a zero-export or plug-in setup here? See the zero-export reality check and equipment notes.
Every claim above is evidence-graded: documented means it traces to the tariff or the utility's own filings, reported means a dated community report. The full table covers 60 utilities: see all of Gridrules.