Central AC Electricity Calculator in Oregon

A central ac in Oregon costs about $136.67 a month ($1662.79 a year) to run at the state's average rate of 16.27 ¢/kWh. Use this calculator to compare light, typical, and heavy use.

Oregon average rate
16.27 ¢/kWh
Assumed wattage
3,500 W
Typical usage pattern
8 hours/day
Typical monthly cost
$136.67
Typical yearly cost
$1662.79

Key metrics

MetricValue
Oregon average rate16.27 ¢/kWh
Assumed wattage3,500 W
Typical usage pattern8 hours/day
Typical monthly cost$136.67
Typical yearly cost$1662.79

Central AC in Oregon vs U.S. benchmark

Oregon monthly estimate
$136.67
U.S. monthly estimate
$154.90
Difference
-$18.23
State rate
16.27 ¢/kWh

Calculator assumptions

This calculator uses a typical wattage range of 2,000-5,000 W, and we assume 3,500 watts for 8 hours/day. The formula is kWh = (watts × hours) / 1000.

At this profile, the appliance uses 840.0 kWh per month and 10220.0 kWh per year.

Appliance calculator scenarios

ScenarioHours/dayAnnual energyOregon monthlyU.S. monthlyOregon yearly
Light usage4 hours/day5110.0 kWh$68.33$77.45$831.40
Typical usage8 hours/day10220.0 kWh$136.67$154.90$1662.79
Heavy usage12 hours/day15330.0 kWh$205.00$232.34$2494.19

Appliance cost reference page

Want the full write-up? The appliance page below uses the same rate and wattage assumptions:

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Source & Method

Source: U.S. Energy Information Administration (EIA) Retail Sales of Electricity. Updated: May 2026. Estimates use the EIA all-in average residential rate — energy, delivery, fixed charges, and utility fees together, not just the electricity itself. Fees are inside the rate, not an extra on top; how your own bill splits fixed versus per-kWh charges varies by utility. For what's inside the all-in rate, see hidden electricity fees; for how rates and estimates are defined, see the methodology hub.

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