All 53 utilities / Rocky Mountain Power
Rocky Mountain Power solar interconnection: what it requires before you energize
How does Rocky Mountain Power detect unpermitted backfeed?
Bidirectional meter rollout underway reported
What happens if they catch you?
Being verified being verified
Small and DIY interconnection requirements
Plug-in systems up to 1.2 kW exempt from interconnection agreements (HB 340, 2025). documented
Larger systems still require an application before operation. documented
sources: Utah HB 340 (2025) · RMP customer generation
Related: Oncor (TX)
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.