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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
Verify your export before Central Maine Power does
Central Maine Power 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: 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 60 utilities: see all of Gridrules.