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Puget Sound Energy solar interconnection: what it requires before you energize

WA · checked 2026-07-02 · request an update

How does Puget Sound Energy detect unpermitted backfeed?

AMI reverse flow documented

What happens if they catch you?

Letter first reported

Small and DIY interconnection requirements

Schedule 152 application via PowerClerk before construction. Approval to construct, then sign-off before energizing. documented

Schedule 150 credits expire March 31 each year, don't oversize. documented

Net metering successor for new applicants unclear after 2025. documented

Plug-in provisions were stripped from HB 2296 (2026), retry expected 2027. documented

sources: PSE customer connected solar

Verify your export before Puget Sound Energy does

Puget Sound Energy 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

Contains links to our partner sites. As an Amazon Associate we earn from qualifying purchases.

Related: Avista (WA) · JCP&L (NJ)

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.