Your inputs
Change only what you know. State data stays consistent across every calculator.
Start with the statewide EIA average, or choose a verified utility rate where available.
Advanced settings
Why this number?
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$32.96$27.54 more per month than the same inputs at the U.S. average.
Estimate boundaries will appear here.
Utility context
Where a verified marginal utility/TOU price exists, you can compare the appliance at that energy price without pretending fixed charges disappeared.
One rate engine
All four core calculators use the same persisted state selection, the same EIA state record, and the same base energy-cost function. Tool-specific logic only converts your usage into kWh before the common cost step.
Source boundary
EIA state averages are for broad residential comparisons. Verified utility tariffs remain a separate layer because fixed charges, TOU windows, taxes, riders and export rules can materially change a household bill.