2 calculators

Energy & Utilities calculators

What your electricity, appliances and solar actually cost.

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Energy & Utilities

Electricity Cost Calculator

What your usage costs monthly and annually, including standing charges and tiers.

Energy & Utilities

Solar Savings Calculator

Payback period and lifetime saving from a rooftop system after incentives.

How-to guides for energy & utilities

How to Calculate Electricity Cost→How to Calculate Solar Savings→

Estimates, not advice. Every figure here is produced from the inputs you enter and the formula printed on the page. Rules differ by state, carrier, lender and contract, so use these numbers to prepare for a conversation with a qualified professional rather than to replace one. See our full disclaimer.