Free calculator

What does your generator really cost?

Gas is only part of it. Add your upkeep, lost days, and the bookings you could not take. No wattage math needed.

1. What do you run?

Running a coffee, ice cream, or market cart? A PowerBox runs your setup clean and silent too, with no fumes and no fuel runs. Ask us about sizing.

2. Your generator

Type of generator

Hours it runs per day

Days per year

Gas price per gallon ($)NY average, Sept. 2026

What you spend on gas per day ($)Blank = we estimate it from your generator

Upkeep and repairs per year ($)Blank = we estimate it from your hours

Your sales on a typical day ($)Example. Type over it.

3. What the generator costs you besides gas

Examples below. Type over them, or enter 0.

Days lost per yearBreakdowns, repairs, waiting on parts

Shutdowns mid-shift per yearStalls, overloads, running out of gas

Minutes lost each timeRefuel, restart, reset the line

Bookings you could not take per yearNo generators allowed and no power hookup

Sales at a typical booking ($)Events, markets, venues, sets

Adjust our assumptions

Electricity per kWh ($)NY commercial average

Upkeep estimate per engine hour ($)Used only when upkeep is blank

Your 5-year savings with a PowerBox $7,494

Fuel and upkeep alone: $2,399 savings

Gas and upkeep per year: $2,687
Lost sales per year: $1,019
Gas generator, 5 years: $19,330
PowerBox 10K, 5 years: $11,836
Energy you use per day: 11.9 kWh

Fits a PowerBox 10K with the included 5 kWh add-on (15 kWh, 4,500W).

Get a quote with these numbers

How we estimate: your energy use comes from the gas you burn and your generator type, using Honda and owner fuel data. The generator 5-year cost includes upkeep, the lost sales you enter, and one generator at today's price. Lost sales are sales, not profit; enter profit per day for a stricter number. PowerBox price $9,500 includes the 5 kWh add-on, delivery, and setup; charging assumes 90% efficiency. Estimates only, not a guarantee of savings. Solar is not included.