All 60 utilities / SDG&E
SDG&E solar interconnection: what it requires before you energize
How does SDG&E detect unpermitted backfeed?
AMI reverse flow documented
What happens if they catch you?
Being verified being verified
Small and DIY interconnection requirements
Rule 21 process, PTO before operation, NEM3 net billing. documented
sources: SDG&E solar application portal · SDG&E net energy metering
Verify your export before SDG&E does
SDG&E 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: PG&E (CA) · Southern California Edison (CA) · Duke Energy (NC / 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.