Smart light bulb Electricity Cost in Washington — $0.25/month (2026)
Washington monthly
$0.25
U.S. average monthly
$0.32
Difference
-$0.08
← Smart light bulb (all states) · Washington electricity rate
Quick rate
Daily cost
$0.01
Monthly cost
$0.25
+$0.00 vs typical
Yearly cost
$3.02
kWh / month
1.8 kWh
Local monthly estimate: $0.25 · U.S. average equivalent: $0.32
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ad-after-calculator Quick answer
Running a typical smart light bulb in Washington costs about $0.01/day or $0.25/month at roughly $0.138/kWh, assuming 5 hours of use per day at 12 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: $0.25
U.S. average rate
$0.180/kWh
Monthly estimate: $0.32
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ad-after-state-table FAQ
- Most smart light bulb units fall between 5 W and 80 W, with 12 W as a typical value for estimates.
- Our calculator uses 12 W as the typical wattage, within a reported range of 5–80 W.
- At 5 hours/day and 12 W, the estimate is about 0.06 kWh per day.
- Using 5 hours/day, the estimate is about 1.8 kWh per month.
- Per hour, smart light bulb uses about 0.012 kWh (at 12 W).
- At typical use (12 W and 5 hours/day), the estimate is about $0.01/day at roughly $0.138/kWh.
- At typical use (12 W and 5 hours/day), the estimate is about $0.25/month at roughly $0.138/kWh.
- Running for one hour at 12 W costs about $0.002 per hour (using the Washington rate of about $0.138/kWh).
- For typical use, the calculator estimates about $0.25/month for smart light bulb in Washington.
- At the typical Washington residential rate, the estimate is about 1.8 kWh per month, which corresponds to roughly $0.25/month for smart light bulb.
- Compared to the U.S. average, Washington is about 23% lower for this estimate. Monthly cost is about $0.25 in Washington vs $0.32 at the national average.
- Start with practical steps from our tips list (e.g., Avoid running this appliance longer than you need each day.). Smaller changes reduce kWh usage, which reduces the bill at your local rate.
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How many kWh does a smart light bulb use per day in Washington?
How many kWh does a smart light bulb use per month in Washington?
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How much does it cost to run a smart light bulb per day in Washington?
How much does it cost to run a smart light bulb per month in Washington?
How much does it cost to run a smart light bulb per hour in Washington?
What is the smart light bulb electricity cost per month in Washington?
How much does smart light bulb add to my electric bill in Washington?
What is the impact on electric bill of smart light bulb in Washington?
How to reduce smart light bulb electricity cost in Washington?
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Est. monthly at Washington rate ($0.138/kWh)