All 53 utilities / PSEG Long Island
PSEG Long Island solar interconnection: what it requires before you energize
How does PSEG Long Island detect unpermitted backfeed?
Being verified being verified
What happens if they catch you?
Being verified being verified
Small and DIY interconnection requirements
Not under the state SIR: LIPA runs its own Small Generator Interconnection Procedures, administered by PSEG-LI, with its own online portal. A complete application must be in before installation. documented
10 business days for the completeness and approval decision, fast track for systems under 50 kW. After install: town or county electrical inspection, then a utility-side inspection, then PTO and the bidirectional meter. documented
Long Island kept genuine retail net metering for residential systems while the rest of NY moved on, one of the last true 1:1 territories in the state. documented
sources: PSEG Long Island SGIP · LIPA SGIP tariff (PDF)
Related: National Grid (NY (upstate)) · Con Edison (NY (NYC / Westchester)) · Hawaiian Electric (HELCO) (HI (Hawaii Island))
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.