All 53 utilities / Central Maine Power
Central Maine Power solar interconnection: what it requires before you energize
How does Central Maine Power detect unpermitted backfeed?
Being verified being verified
What happens if they catch you?
Being verified being verified
Small and DIY interconnection requirements
Maine net energy billing, kWh credits. Interconnection application and signed agreement before energizing. documented
Plug-in law took effect this month, two tiers: under 420 W needs no electrician and no utility notification, 420 to 1200 W needs a licensed electrician. First state with the two-tier split. documented
sources: Maine PUC net energy billing
Related: FPL (FL)
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 53 utilities: see all of Gridrules.