Solar hookup, battery backup & energy storage in San Francisco, San Francisco County. Local electricians, upfront pricing and fast scheduling.
(833) 652-8933 Request a quoteSolar and battery storage are common on San Francisco rooftops, but the electrical side is where projects stall. Phasethree Electric handles the electrical hookup for solar systems, main panel upgrades and derates, backup gateways, critical-load sub panels and battery backup installation for homeowners and solar companies in San Francisco and San Francisco County.
AC and DC disconnects, inverter wiring, rapid shutdown, line-side taps or breaker interconnection, panel derates and labeling that passes San Francisco inspection and utility interconnection the first time.
Tesla Powerwall, Enphase IQ Battery, Franklin and Generac PWRcell systems wired for whole-home or essential-load backup so lights, refrigerators, internet and medical equipment stay on through PSPS events and storms.
Many homes need a 200 amp panel, a bus bar upgrade or a main breaker derate before solar can be connected. We complete that work and coordinate with your installer. Also serving nearby Daly City, Brisbane, Sausalito, South San Francisco. Call (833) 652-8933.
We provide solar & battery backup electrical throughout San Francisco and the surrounding communities of San Francisco County.
Usually yes. AC-coupled batteries work with most existing solar systems; we evaluate your inverter and panel first.
One battery typically covers essential loads. Two or more can run most of a San Francisco home including some HVAC.
Yes. We subcontract main panel upgrades and electrical prep for solar companies across San Francisco County.
“Our breaker kept tripping every evening. The electrician found a bad neutral in about twenty minutes and had it fixed before dinner. Fair price, no upsell.”
Maria G.“Tesla Wall Connector installed in the garage in a couple hours. Clean conduit run, app set up, and they showed me how to schedule off-peak charging.”
Samantha L.“Called at 11pm with sparks from a bathroom outlet. Someone was here within the hour and made it safe, then came back in the morning to finish.”
Priya S.Upfront pricing · Same-day service · 24/7 emergency response