Southern California wildfire season is longer and more intense than it used to be. Between the Santa Ana winds, dry vegetation, and utility PSPS (Public Safety Power Shutoff) events, homeowners in Riverside County face a combination of fire risk and power interruption risk that most other parts of the country do not. The electrical side of wildfire prep is straightforward — and worth doing before the first red flag warning of the season.
1. Whole-House Surge Protection
Grid instability during wildfire events causes voltage spikes when power is restored, when equipment is damaged, or when nearby lines fail. A single surge can destroy every sensitive electronic device in your home — computers, TVs, appliances with control boards, HVAC systems, EV chargers, and pool equipment. A properly installed Type 2 whole-house surge protector at your main panel absorbs those spikes before they reach your devices. It is one of the highest-value electrical upgrades you can make for under $1,000 installed.
2. Generator Readiness
You do not need a full standby generator to survive a PSPS. A portable generator connected through a manual transfer switch or interlock kit lets you power essential circuits — refrigerator, well pump, garage door, medical equipment, and a couple of outlets — during an outage. The interlock is the safety-critical part: it physically prevents you from back-feeding the grid, which can kill line workers and destroy the generator when power returns. This is not a DIY project.
If you want a fully automatic solution, a whole-house standby generator kicks on within seconds of an outage. Both approaches require careful panel work and code-compliant installation.
3. Ember-Resistant Electrical Penetrations
Wildfire ember intrusion through soffits, vents, and electrical penetrations is one of the top causes of home ignition. Any point where wires enter your house from outside — meter base, service entrance, exterior outlets, HVAC disconnects — is a potential ember entry. Sealing these penetrations with fire-resistant caulk and metal flashing during any electrical service work is cheap insurance. Cal Fire's Ready for Wildfire program has detailed guidance on home hardening including exterior electrical hardening.
4. Solar and Battery Islanding
If you have solar without a battery, your solar system shuts down during a grid outage — even in bright sunshine. This is a code-required anti-islanding feature that prevents your inverter from energizing downed lines. A hybrid inverter and battery system can "island" your home, keeping solar and stored power flowing to your loads during a PSPS. This is a significant investment but for households with medical dependency or remote-work income at risk, it pays back quickly in avoided outages.
5. Panel and Circuit Condition
Do not enter fire season with a marginal electrical panel. Bring any warm breakers, corroded lugs, or double-tapped breakers up to spec now. Overheated connections start fires under normal loads — under the added stress of a hot summer, they are worse. Older panels with known safety issues (Federal Pacific Stab-Lok, Zinsco, Challenger) should be replaced regardless of season. If your home has known aluminum branch wiring or knob-and-tube, prioritize code corrections before wildfire season.
6. Fire Pump and Sprinkler Circuits
If your property has a fire pump, defensible-space sprinkler system, or wildland fire suppression setup, those circuits need to be reliable — and ideally powered from the emergency side of a generator transfer switch. Test them before the season. A pump that has not run since last year is a pump that may not run when you need it.
7. Communications and Alarm Systems
Your fire alarm, security system, and cellular communications equipment all need battery backup that lasts longer than a typical PSPS. Standard smoke alarms with 9V batteries are inadequate. Hardwired interconnected alarms with lithium backup, plus a UPS on your cellular gateway, keep you connected during outages. This is often overlooked in wildfire prep.
Book an Evaluation Before Fire Season
Westek Electric Corp. offers pre-fire-season electrical evaluations for homes throughout Lake Elsinore, Temecula, Murrieta, and the wildland-urban interface areas of Riverside County. We will identify surge, generator, and panel-condition issues before they become emergencies. Contact us or call (909) 996-6678 to schedule an evaluation.