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Wildfire power shutoffs: backup without adding a fire risk

Utilities across the West now switch lines off when fire risk is high. Here is how to keep critical loads running without parking a fuel tank on a dry site.

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What a power shutoff is

When wind and dry conditions raise the risk of power lines starting a fire, utilities in California and a growing number of Western states de-energise lines pre-emptively. California calls these public safety power shutoffs. They can last from hours to several days, and they arrive on exactly the days when a generator is least welcome.

Why batteries suit shutoff days

A generator brings a fuel store, a hot exhaust and an ignition risk to a site that is under a fire weather warning. A battery brings none of those. It carries the load silently and recharges from solar during the day, so runtime is open-ended wherever daily use sits within the array's output.

Where we supply

PulseTrek ships to sites across the West, including Los Angeles, the Bay Area, Sacramento, Denver and Portland. See all service areas.

Preparing before fire season

Sign up for your utility's shutoff alerts, list the loads that must stay on, and stage a charged battery before red-flag days. Keep the unit on a cleared, non-combustible pad, and keep the solar array clear of dry vegetation.

After a shutoff, utilities inspect lines before re-energising, which can add hours or days. Plan the recharge for that gap rather than assuming power returns when the wind drops.

Questions answered

Frequently asked questions

How do I keep my business running during a public safety power shutoff?

Identify the loads that must stay on, size a battery to cover them for the expected shutoff length, and add a solar kit for longer events. A battery adds no fuel store or exhaust to the site.

How long do power shutoffs last?

Typically hours to a few days, depending on the weather event and the inspections needed before lines are re-energised.

Should I buy a battery or generator for power shutoffs?

For critical loads, a battery avoids adding fuel and an ignition source on high-risk days; pair it with solar for longer events.

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