Outdoor security light Electricity Cost in Washington — $2.65/month (2026)
Washington monthly
$2.65
U.S. average monthly
$3.45
Difference
-$0.80
← Outdoor security light (all states) · Washington electricity rate
Quick rate
Daily cost
$0.09
Monthly cost
$2.65
+$0.00 vs typical
Yearly cost
$32.26
kWh / month
19.2 kWh
Local monthly estimate: $2.65 · U.S. average equivalent: $3.45
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ad-after-calculator Quick answer
Running a typical outdoor security light in Washington costs about $0.09/day or $2.65/month at roughly $0.138/kWh, assuming 8 hours of use per day at 80 W. The U.S. average rate is about $0.180/kWh, so Washington is roughly 23% lower than average for this estimate.
vs U.S. average
Local rate (Washington)
$0.138/kWh
Monthly estimate: $2.65
U.S. average rate
$0.180/kWh
Monthly estimate: $3.45
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ad-after-state-table FAQ
- Most outdoor security light units fall between 20 W and 200 W, with 80 W as a typical value for estimates.
- Our calculator uses 80 W as the typical wattage, within a reported range of 20–200 W.
- At 8 hours/day and 80 W, the estimate is about 0.64 kWh per day.
- Using 8 hours/day, the estimate is about 19.2 kWh per month.
- Per hour, outdoor security light uses about 0.080 kWh (at 80 W).
- At typical use (80 W and 8 hours/day), the estimate is about $0.09/day at roughly $0.138/kWh.
- At typical use (80 W and 8 hours/day), the estimate is about $2.65/month at roughly $0.138/kWh.
- Running for one hour at 80 W costs about $0.011 per hour (using the Washington rate of about $0.138/kWh).
- For typical use, the calculator estimates about $2.65/month for outdoor security light in Washington.
- At the typical Washington residential rate, the estimate is about 19.2 kWh per month, which corresponds to roughly $2.65/month for outdoor security light.
- Compared to the U.S. average, Washington is about 23% lower for this estimate. Monthly cost is about $2.65 in Washington vs $3.45 at the national average.
- Start with practical steps from our tips list (e.g., Seal air leaks and improve insulation to reduce run-time.). Smaller changes reduce kWh usage, which reduces the bill at your local rate.
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What is the outdoor security light wattage?
How many kWh does a outdoor security light use per day in Washington?
How many kWh does a outdoor security light use per month in Washington?
How many kWh does a outdoor security light use per hour?
How much does it cost to run a outdoor security light per day in Washington?
How much does it cost to run a outdoor security light per month in Washington?
How much does it cost to run a outdoor security light per hour in Washington?
What is the outdoor security light electricity cost per month in Washington?
How much does outdoor security light add to my electric bill in Washington?
What is the impact on electric bill of outdoor security light in Washington?
How to reduce outdoor security light electricity cost in Washington?
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Est. monthly at Washington rate ($0.138/kWh)