A decade ago, the Pacific Northwest’s power problems were seasonal: a windstorm knocks down some lines, the crews come out, the lights come back in a day or two. That’s still true. But three newer pressures have stacked on top of it — summer heat waves straining a grid that was built for mild weather, and wildfire-driven Public Safety Power Shutoffs (PSPS), where utilities proactively cut power to reduce ignition risk in high-wind, high-fire-danger conditions. 2026 is already one of the worst wildfire seasons Oregon and Washington have seen in more than 30 years, and that trend points toward more shutoff events, not fewer.
So the question a lot of PNW households are asking isn’t “should I have some kind of backup power,” it’s “generator or battery, and how much do I actually need to spend.” Here’s an honest look at both options.
Generator or Battery: The Real Tradeoffs
Generators burn fuel — gasoline, diesel, or propane — to produce power on demand, for as long as you have fuel. A portable generator is inexpensive, widely available, and can run high-draw appliances like a well pump or central AC that most home batteries can’t touch. The tradeoff is carbon monoxide risk: portable generators are a leading cause of non-fire CO deaths in the US, and they must run outside only, at least 20 feet from any window, door, or vent — no exceptions, even with the garage door open. They also need to be refueled, which becomes a real logistics problem if a regional event has gas stations running dry.
Battery backup (with or without solar) is silent, produces no exhaust, and can sit inside or against the house with no CO risk. The catch that surprises a lot of homeowners: solar panels alone do nothing during a grid outage. Grid-tied solar systems are required to shut themselves off the moment the grid goes down — a safety feature called anti-islanding that protects utility workers repairing what they think is a dead line. Only a battery (or a solar-plus-battery system built for “island mode”) keeps power flowing when the grid is out. A battery’s downside is capacity: it stores a fixed amount of energy and, without solar recharging, that runs out — typically in a day or so for essential loads only.
The practical answer for most households is: it depends on what you’re protecting against. A generator is the better fit for extended, whole-home power needs and unpredictable timing. A battery is the better fit for shorter outages, sensitive electronics and medical equipment, and situations where running a loud fuel-burning machine outside isn’t practical or safe.
What These Options Actually Cost
Portable generators: A generator sized to run a refrigerator, some lights, phone charging, and a sump pump — roughly 3,500 to 5,000 watts — typically runs $500 to $1,200. Add a window AC unit and you’re looking at 5,000 to 7,500 watts, pushing cost toward $1,500 to $2,500. Inverter generators (quieter, cleaner power, safer for electronics) cost more upfront but use up to 40% less fuel under light loads.
Standby (whole-home) generators: A permanently installed unit tied to your gas line, with an automatic transfer switch that starts the generator within seconds of an outage — no manual work required. Purchase, installation, and the required transfer switch typically run $5,000 to $15,000+ depending on size and home electrical complexity.
Portable power stations: The low-cost entry point to battery backup. A 500–2,000 Wh unit — enough for phones, lights, a CPAP, or a laptop through a 1–2 day outage — costs $300 to $1,500, especially when paired with a portable solar panel for recharging.
Home battery + solar systems: A battery added to an existing solar system runs $12,000 to $22,000 installed. A full solar-plus-battery system sized for essential circuits (fridge, lights, outlets, medical devices) runs $15,000 to $35,000. Whole-home battery backup — enough to run everything, including HVAC — typically starts around $34,000.
One important 2026 wrinkle: the 30% federal Residential Clean Energy Credit for solar and battery storage ended for installations completed after December 31, 2025. It is not currently available for systems purchased or installed in 2026. Check the DSIRE database (dsireusa.org) for any state or utility incentives that may still apply in your area, and confirm current numbers with a tax professional before you budget around a credit that no longer exists at the federal level.
What Size System Covers What
| Goal | Generator | Battery |
|---|---|---|
| Phones, lights, small electronics | Any portable model | 100–500 Wh power station |
| Fridge + lights + charging, 1–2 days | 2,000–3,500W portable | 10 kWh battery, or 2,000–5,000 Wh station + solar panel |
| Fridge + sump pump + charging | 3,500–5,000W portable | 10–14 kWh essential-circuit battery |
| Add a window AC or well pump | 5,000–7,500W portable | 14–20 kWh battery |
| Whole home, including central AC/furnace | 10,000W+ standby | 30+ kWh battery bank |
The math for any option starts the same way: add up the running watts of what you actually want to power, then add the surge (startup) watts of the single largest motor-driven appliance in that list — a refrigerator or well pump can briefly draw 3–4 times its running wattage when it kicks on. That combined number is your real minimum system size, whether you’re sizing a generator or a battery.
A Simple Decision Framework by Budget
- Under $500: A portable power station (500–2,000 Wh) covers phones, lights, and a CPAP through most short outages. This is the right starting point for renters, apartment dwellers, or anyone who wants meaningful coverage without an installation.
- $500–$3,000: A mid-size portable generator (3,500–5,000W) or a larger portable power station paired with a portable solar panel. This tier covers a refrigerator, sump pump, and charging through a multi-day outage — the range that fits most PNW households’ actual risk.
- $5,000–$25,000: A standby generator or an essential-circuit battery/solar system. Worth it for households in higher PSPS-risk areas, anyone with power-dependent medical equipment, or anyone who has been through a multi-day outage and decided not to repeat the experience with extension cords and a cooler of ice.
- $25,000+: Whole-home battery backup or a whole-home standby generator. Makes sense for households that can’t tolerate any disruption — home-based medical needs beyond portable equipment, home offices that can’t go dark, or simply a household that has decided full continuity is worth the price.
Your Next Step
You don’t have to solve this all at once:
- Add up your must-power watts. Walk through your home and list what you’d actually want running — fridge, a few lights, phone chargers, any medical equipment. That number tells you which row of the sizing table above applies to you.
- Match your budget tier to the framework above and start there. A $300 power station beats a $30,000 system you never got around to buying.
- If you already have a generator, review our safe heating and generator placement guide — the 20-foot rule and CO detector requirements apply every time, not just in winter.
- If you’re starting from zero, read our room-by-room outage guide first — it covers what to do with the power you do have before you invest in backup power.
Every PNW household’s risk looks a little different — storms, heat strain, or PSPS events, depending on where you live and what’s nearby. Pick the tier that matches your actual budget and your actual risk, not the biggest system on the showroom floor.
— Cascadia Ready Radio
“Be ready at home. Be ready to help.”