Home Energy Calculators

Estimate household energy use and understand common utility costs.

Home Energy

Estimate how much an appliance costs to run from its power rating, daily usage, and your electricity rate.

Home Energy

Estimate the daily, monthly, and annual electricity cost of running an air conditioner.

Home Energy

Compare the daily, monthly, and annual energy use and running cost of an appliance.

Home Energy

Estimate electricity drawn from the grid and the cost of charging an EV between two battery levels.

Home Energy

Estimate simple solar payback and net savings over 10 and 20 years using transparent assumptions.