Solar and batteries are the quiet backbone of shelter power, but a fuel generator covers what they cannot: extended cloudy stretches, heavy startup loads, and fast bulk charging of your battery bank. Treated as a backup rather than the primary source, it adds real resilience.
SAFETY FIRST: never run a generator indoors
This cannot be overstated. Generators produce carbon monoxide, which is odorless and lethal. Never run one inside a shelter, garage, or any enclosed space — CO deaths after storms are tragically common. Position generators well away from air intakes, and always keep a CO detector running.
What to look for
- Fuel type. Dual-fuel units run on gas or propane; propane stores far longer than gasoline. Diesel is efficient for larger needs.
- Running vs. surge wattage. Running watts cover steady loads; surge watts handle motor startups. Size for both.
- Runtime and noise. Longer runtime per fuel unit means less refueling; quieter units keep a lower profile.
- Fuel storage. Your generator is only as useful as your stored fuel, and gasoline degrades.
The options
- Inverter generators — a Champion Inverter Generator runs quieter and produces clean power safe for electronics, ideal for topping up your battery bank.
- Dual-fuel generators — a Westinghouse Dual-Fuel Generator gives you fuel flexibility, so you are not dependent on a single supply chain.
Store fuel properly
Gasoline goes stale in months. A fuel stabilizer like STA-BIL Fuel Stabilizer extends its usable life, and rotating your stock keeps it fresh. Propane, by contrast, stores almost indefinitely — a strong argument for a dual-fuel or propane generator in a long-term plan.
Integrate, don't rely
The smart pattern is solar and batteries for silent daily power, with the generator used sparingly to recharge the bank during bad weather or heavy demand. That minimizes fuel use, noise, and your signature — while guaranteeing you can always get power when you need it.