Window AC Electricity Calculator in California
A window ac in California costs about $76.14 a month ($926.37 a year) to run at the state's average rate of 35.25 ¢/kWh. Use this calculator to compare light, typical, and heavy use.
California average rate
35.25 ¢/kWh
Assumed wattage
900 W
Typical usage pattern
8 hours/day
Typical monthly cost
$76.14
Typical yearly cost
$926.37
Key metrics
| Metric | Value |
|---|---|
| California average rate | 35.25 ¢/kWh |
| Assumed wattage | 900 W |
| Typical usage pattern | 8 hours/day |
| Typical monthly cost | $76.14 |
| Typical yearly cost | $926.37 |
Window AC in California vs U.S. benchmark
California monthly estimate
$76.14
U.S. monthly estimate
$41.73
Difference
+$34.41
State rate
35.25 ¢/kWh
Calculator assumptions
This calculator uses a typical wattage range of 500-1,500 W, and we assume 900 watts for 8 hours/day. The formula is kWh = (watts × hours) / 1000.
At this profile, the appliance uses 216.0 kWh per month and 2628.0 kWh per year.
Appliance calculator scenarios
| Scenario | Hours/day | Annual energy | California monthly | U.S. monthly | California yearly |
|---|---|---|---|---|---|
| Light usage | 4 hours/day | 1314.0 kWh | $38.07 | $20.87 | $463.18 |
| Typical usage | 8 hours/day | 2628.0 kWh | $76.14 | $41.73 | $926.37 |
| Heavy usage | 12 hours/day | 3942.0 kWh | $114.21 | $62.60 | $1389.56 |
Appliance cost reference page
Want the full write-up? The appliance page below uses the same rate and wattage assumptions:
More comparison links
Browse related comparisons from the energy comparison hub:
City electricity context for California
City electricity pages add local rate context. They don't change the statewide math here.
- Los Angeles electricity context - 37.37 ¢/kWh; est. monthly appliance profile cost $80.71
- San Diego electricity context - 36.66 ¢/kWh; est. monthly appliance profile cost $79.19
- San Jose electricity context - 35.95 ¢/kWh; est. monthly appliance profile cost $77.66
- San Francisco electricity context - 35.95 ¢/kWh; est. monthly appliance profile cost $77.66
Compare electricity options in California
Explore savings options, plan types, and provider offers for California.
Track California electricity changes
Get notified about 216 kWh rate changes and savings opportunities in California.
Other appliance calculators in California
- Refrigerator calculator — Model refrigerator electricity cost in California at 35.25 ¢/kWh.
- Space Heater calculator — Model space heater electricity cost in California at 35.25 ¢/kWh.
- Portable AC calculator — Model portable ac electricity cost in California at 35.25 ¢/kWh.
- Central AC calculator — Model central ac electricity cost in California at 35.25 ¢/kWh.
- Clothes Dryer calculator — Model clothes dryer electricity cost in California at 35.25 ¢/kWh.
- Washing Machine calculator — Model washing machine electricity cost in California at 35.25 ¢/kWh.
- Dishwasher calculator — Model dishwasher electricity cost in California at 35.25 ¢/kWh.
State cost and bill pathways for California
- Average power price in California — What a kWh of electricity costs in California
- California electricity rates — Core authority page with statewide pricing context
- Electricity cost in California — State-level cost, affordability, and value overview
- Electricity cost in Los Angeles, California — City electricity page with methodology notes where city coverage is available
- California monthly electricity bill estimate — What a typical monthly bill looks like
- Electric bill estimator scenarios in California — Estimate your bill from your monthly usage
Historical and trend pages
- Historical electricity prices in California — Historical context and trend interpretation
- Electricity inflation in California — State electricity inflation analysis
- California electricity price volatility — Volatility and rate movement profile
Fixed-usage and calculator pathways
- 300 kWh cost in California — Cost for this usage amount in the same state
- 100 kWh cost in California — Cost for this usage amount in the same state
- 500 kWh cost in California — Cost for this usage amount in the same state
- Custom usage calculator for California — Custom kWh and scenario cost calculation
Appliance and estimator pathways
- Refrigerator cost in California — Appliance operating-cost page for this state
- Refrigerator calculator in California — Calculator page for adjusting wattage and usage for this appliance
- Space Heater cost in California — Appliance operating-cost page for this state
- Space Heater calculator in California — Calculator page for adjusting wattage and usage for this appliance
- Window Ac cost in California — Appliance operating-cost page for this state
- Window Ac calculator in California — Calculator page for adjusting wattage and usage for this appliance
State comparison pathways for California
- Compare California with other states — State-to-state comparison hub
- California vs Alabama electricity cost — Head-to-head comparison page
- California vs Alaska electricity cost — Head-to-head comparison page
Discovery and navigation hubs
- California electricity hub — Guide to this state's electricity rate, usage, comparison, and tool pages
- Electricity cost scenario hub — Entry point for residential and industry scenario pages
- California electricity cost overview — State-level electricity cost page with rates and typical bill context
- California average electricity bill benchmark — Typical monthly bill estimate using a standard household usage assumption
- California electricity bill estimator — Household profile bill scenarios for this state
- Electricity usage hubs — Browse cost pages by common household usage tiers
Consumer electricity drivers
- Price drivers in California — Understand what influences state electricity prices
Source & Method
Source: U.S. Energy Information Administration (EIA) Retail Sales of Electricity. Updated: April 2026. Estimates use the EIA average all-in residential rate (delivery included); they don't add separately billed taxes, fixed charges, or other utility fees, which vary by utility. For how rates and estimates are defined, see the methodology hub.