Cost to Run a Garage Heater in California
California's average residential electricity rate is 33.3¢/kWh as of May 2026 — the 50th cheapest in the country, 81% above the U.S. average. At typical usage (3 hours/day), a garage heater here costs $152 per month.
Per hour
$1.66
at 2,400–7,500 W
Per day
$4.99
3 hours/day
Per month
$152
456 kWh
Per year
$1,823
5,475 kWh
By usage level in California
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (1.5 hrs/day) | $2.50 | $75.92 | $912 |
| Typical (3 hrs/day) | $4.99 | $152 | $1,823 |
| Heavy (6 hrs/day) | $9.99 | $304 | $3,646 |
California vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a garage heater in California?
At California's current average residential rate of 33.3¢/kWh (May 2026), a garage heater with typical usage costs about $4.99 per day, $152 per month, or $1,823 per year.
Is running a garage heater in California more expensive than average?
Yes. California's electricity costs about 81% more than the U.S. average, so the same usage costs $152 per month here versus $83.90 nationally.
What does electricity cost in California right now?
California residents pay an average of 33.3¢ per kWh as of May 2026 — the 50th cheapest rate of the 51 U.S. jurisdictions we track.