Portable AC Electricity Calculator in Maine

Use this appliance electricity calculator to estimate portable ac operating cost in Maine using typical wattage and runtime assumptions tied to the statewide residential electricity rate.

Maine average rate
28.32 ¢/kWh
Assumed wattage
1,100 W
Typical usage pattern
6 hours/day
Typical monthly cost
$56.07
Typical yearly cost
$682.23

Key metrics

MetricValue
Maine average rate28.32 ¢/kWh
Assumed wattage1,100 W
Typical usage pattern6 hours/day
Typical monthly cost$56.07
Typical yearly cost$682.23

Portable AC in Maine vs U.S. benchmark

Maine monthly estimate
$56.07
U.S. monthly estimate
$37.70
Difference
+$18.37
State rate
28.32 ¢/kWh

Calculator assumptions

This calculator uses a typical wattage range of 700-1,400 W, with a standard working assumption of 1,100 watts for 6 hours/day. The formula is kWh = (watts × hours) / 1000.

At this profile, the appliance uses 198.0 kWh per month and 2409.0 kWh per year in the model.

Appliance calculator scenarios

ScenarioHours/dayAnnual energyMaine monthlyU.S. monthlyMaine yearly
Light usage3 hours/day1204.5 kWh$28.04$18.85$341.11
Typical usage6 hours/day2409.0 kWh$56.07$37.70$682.23
Heavy usage9 hours/day3613.5 kWh$84.11$56.55$1023.34

Appliance cost reference page

The dedicated appliance page below uses the same statewide rate and wattage assumptions in a longer-form layout. This calculator stays focused on quick hour-profile comparisons.

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Source & Method

Source: U.S. Energy Information Administration (EIA) Retail Sales of Electricity. Updated: March 2026. Estimates are energy-only and exclude delivery charges, taxes, and fixed utility fees. For how rates and estimates are defined, see the methodology hub.

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