Eight interactive tools to size a generator, compare brands, budget the installation, price an outage, estimate fuel, model solar savings and get storm-ready.
Everything runs in your browser. Send us a result if you like and we will keep it with your estimate.
Generator Size CalculatorTick the appliances you want to keep running and get a planning size in kW, with starting surges included.Try it 
Generator Brand MatchmakerSix quick questions and we rank Generac, KOHLER, Cummins, Cat, Briggs & Stratton, Champion, Westinghouse and Honda for you.Try it 
Installation Budget PlannerChoose your size, fuel, switch and site conditions and get a ballpark installed range with a monthly payment.Try it 
Outage Cost CalculatorAdd up food, lodging, lost work and damage risk to see what an outage really costs your household or business.Try it 
Runtime and Fuel CalculatorEstimate propane gallons or natural gas use for your generator size and load, and how long a tank will last.Try it 
Solar and Battery Savings EstimatorEnter your usage and rate to see production, bill offset and how long a battery keeps essentials on.Try it 
Storm Readiness ChecklistAn interactive checklist for before, during and after a storm or outage, with progress you can print or save.Try it 
What-Stays-On Circuit PickerFlip breakers on a virtual panel and watch your generator or battery load rise, with a warning when you go over.Try it Free assessment. Honest sizing. Clear pricing. A generator that starts when you need it.
