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Alabama Power solar interconnection: what it requires before you energize

AL · checked 2026-07-09 · request an update

How does Alabama Power 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: ensure your interconnection application is approved before purchasing or installing. Process follows the Southern Company interconnection policy plus Alabama Power's technical guidebook, with a utility-accessible external disconnect. documented

The famous one: Rate Rider RGB adds $5.41 per kW of nameplate capacity per month to every interconnected self-generator, about $27 a month on a 5 kW system, charged regardless of how much backup power you actually use. Challenged for a decade, upheld in federal court in March 2026. documented

No net metering in Alabama: excess is credited at avoided cost, far below retail. The fee plus the credit structure is why the state ranks last in the country for residential solar. documented

Northern Alabama is TVA co-op and muni territory instead, where none of the above applies. Check your bill before planning anything. documented

sources: Alabama Power solar page · Rate Rider RGB (PDF)

Related: Xcel Energy (MN)

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.