All 60 utilities / Oncor
Oncor solar interconnection: what it requires before you energize
How does Oncor detect unpermitted backfeed?
TDU meter data documented
Older meters can register exports as consumption, you pay for what you send documented
What happens if they catch you?
Being verified being verified
Small and DIY interconnection requirements
Deregulated market: buyback depends on your retail provider. Interconnection agreement with Oncor required for parallel operation, zero export included. documented
sources: PUCT DG interconnection rule 25.211 (PDF) · PUCT electric substantive rules
Verify your export before Oncor does
Oncor 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: Austin Energy (TX (muni)) · CenterPoint Energy (TX (Houston)) · APS (AZ)
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.