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Pepco solar interconnection: what it requires before you energize

DC / MD · checked 2026-07-02 · MD plug-in live since May 2026 · request an update

How does Pepco detect unpermitted backfeed?

Being verified being verified

What happens if they catch you?

Being verified being verified

Small and DIY interconnection requirements

Green Power Connection portal. Written approval required before install or operation. documented

DC approval times reported at 12 to 24 weeks. reported

MD plug-in solar legal since May 2026 (HB 1532), systems under 391 W exempt from UL listing. DC's GRID Act still pending in Council. documented

Full retail 1:1 in both territories. documented

sources: Pepco Green Power Connection · MD Level 1 form (PDF)

Related: Central Maine Power (ME)

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.