Billowatt

Cost to Run a LED Light Bulb in Washington

Washington's average residential electricity rate is 14.4¢/kWh as of April 2026 — the 12th cheapest in the country, 23% below the U.S. average. At typical usage (5 hours/day), a led light bulb here costs $0.20 per month.

Per hour

0.1¢

at 5–15 W

Per day

0.6¢

5 hours/day

Per month

$0.20

1.4 kWh

Per year

$2.37

16 kWh

By usage level in Washington

Usage Per day Per month Per year
Light (2.5 hrs/day) 0.3¢ $0.10 $1.18
Typical (5 hrs/day) 0.6¢ $0.20 $2.37
Heavy (10 hrs/day) 1.3¢ $0.39 $4.73

Washington vs. the rest of the country

Monthly cost at typical usage.

Washington $0.20
West average $0.27
U.S. average $0.26

Frequently asked questions

How much does it cost to run a led light bulb in Washington?

At Washington's current average residential rate of 14.4¢/kWh (April 2026), a led light bulb with typical usage costs about 0.6¢ per day, $0.20 per month, or $2.37 per year.

Is running a led light bulb in Washington more expensive than average?

No — it's cheaper. Washington's rate is about 23% below the U.S. average: $0.20 per month here versus $0.26 nationally.

What does electricity cost in Washington right now?

Washington residents pay an average of 14.4¢ per kWh as of April 2026 — the 12th cheapest rate of the 51 U.S. jurisdictions we track.

LED Light Bulb costs in nearby states

What else costs to run in Washington

See the full Washington electricity cost guide →