Energy

Energy Calculators

Energy calculators for electricity, solar, batteries, efficiency, EVs, fuels, building energy, and project economics.

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4 published calculators

Energy

3 published

Estimate an electric demand charge from measured peak demand, a billing-demand minimum, and the utility demand rate.

Estimate energy use and electricity cost from equipment load, operating hours, days, and utility rate.

Estimate electricity energy charges across off-peak, mid-peak, and on-peak time-of-use periods.

Energy

1 published

Estimate solar array DC capacity and panel count from annual energy use, peak sun hours, system losses, and panel wattage.