Utility collection · 03 calculators
Energy & solar calculators
Translate watts, usage, tariffs and system costs into practical daily, monthly and lifetime estimates. Inputs are processed locally and are not saved by default.
Energy cost
Electricity cost calculator
Turn appliance wattage, daily use and an electricity tariff into daily, monthly and annual cost.
Lifetime energy
Appliance running-cost calculator
Estimate annual energy use and lifetime electricity cost for one appliance.
Solar economics
Solar payback calculator
Estimate a simple payback period from net installation cost and the share of an electricity bill expected to be offset.