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Gelfer Electrical Services, CSLB #1159194 — Project writeup, Concord, CA Homeowner Goals This homeowner came in with a clear set of priorities. They wanted to reduce dependence on PG&E, have real backup power during outages — not just a critical-load subpanel keeping the refrigerator on, but whole-home backup — and make better use of solar production throughout the day rather than exporting cheap midday power and buying it back at peak rates. They also wanted to be able to ex

If you own a home with solar, you already know the monitoring app can tell you how much power the system produced today. What it can't tell you is whether the inverter is aging, whether your disconnect is properly rated, or whether the wiring behind the panels is holding up the way it should. A solar inspection gets into that. Here's what you can expect from a Solar & Battery System Inspection with Gelfer Electrical Services, and how to know if it makes sense for your situati

This question comes up on nearly every EV charger inquiry: does my panel need to be upgraded before I can install a Level 2 charger? The short answer is: it depends, and a panel nameplate alone won't tell you. Here's how to think through it. Start With How You Actually Charge Before worrying about the panel, think about your charging situation. What vehicle do you have? How many miles do you drive in a typical day? What's your overnight charging window — eight hours, six hour