Under NEM 3.0 net billing, SDG&E pays you the avoided-cost rate for exported solar — a fraction of the retail rate you pay to import. That one change reshapes system design in San Diego: self-consumption and batteries now drive the economics instead of raw export.
San Diego HVAC systems need a spring cooling tune-up, a fall heating check, and monthly filter attention during fire season. This seasonal checklist splits the work into what homeowners can safely do and what requires a NATE-certified technician.
A home battery detects a grid outage and switches your essential circuits to stored power in a fraction of a second — and if you have solar, the panels keep recharging it the next morning. Here is how the transfer works, what a battery can realistically run, and why plain grid-tied solar shuts off in a blackout.
