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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$183.10$153.00 more per month than the same inputs at the U.S. average.
Estimate boundaries will appear here.
Utility context
Provider bill examples and tariff references are shown separately. A statewide average is not a household bill tariff.
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.