How Much Does a Outdoor security light Cost to Run? (2026 Calculator)
Typical setup: 80 W · 8 h/day · $0.180/kWh
Daily
$0.12
Monthly
$3.45
Yearly
$42.00
Quick rate
Daily cost
$0.12
Monthly cost
$3.45
+$0.00 vs typical
Yearly cost
$42.00
kWh / month
19.2 kWh
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ad-after-calculator Quick answer
A typical outdoor security light uses about 80 W and costs about $0.11/day or $3.23/month at the U.S. average rate of $0.17/kWh, assuming 8 hours of use per day. At the same rate, costs range from about $0.03/day (20 W) to $0.27/day (200 W).
State explorer
Quickly spot cheapest, highest, and near-average monthly costs.
Top 10 cheapest
Top 10 highest
- Hawaii $7.64
- Massachusetts $5.98
- Maine $5.90
- California $5.82
- Rhode Island $5.79
- New York $5.45
- Connecticut $5.43
- New Hampshire $5.05
- Alaska $4.90
- District of Columbia $4.55
Cost by state (monthly)
At typical 80 W and 8 h/day. Rates from our dataset (see methodology ). Open a state for a dedicated calculator page.
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ad-after-state-table Wattage range
| Level | Watts | Est. monthly @ avg rate |
|---|---|---|
| Low | 20 W | $0.86 |
| Typical | 80 W | $3.45 |
| High | 200 W | $8.63 |
Energy saving tips
- Seal air leaks and improve insulation to reduce run-time.
- Use thermostats or timers so the appliance only runs when needed.
- Combine this appliance with fans or shading to reduce demand.
- Turn off lights when you leave a room.
- Use motion sensors or smart controls for outdoor and hallway lighting.
FAQ
- Most outdoor security light units fall between 20 W and 200 W, with 80 W as a typical operating value for estimates.
- Our estimates use 80 W as the typical wattage, within a reported range of 20–200 W.
- At typical use (8 hours/day at 80 W), the estimate is about 0.64 kWh/day and 19.2 kWh/month at the U.S. average rate.
- With 8 hours/day and 80 W, this appliance uses about 0.64 kWh per day.
- At 8 hours/day, the monthly estimate is about 19.2 kWh per month.
- Per hour, the typical draw is about 0.080 kWh (at 80 W).
- At the U.S. average electricity rate of $0.17/kWh, the typical daily cost is about $0.11/day for 8 hours/day.
- At the U.S. average electricity rate of $0.17/kWh, the typical monthly cost is about $3.23/month at 8 hours/day.
- Running for one hour at 80 W costs about $0.01/hour (using 0.17 $/kWh as the U.S. average).
- With typical use (8 hours/day at 80 W), the estimate is about $0.11/day or $3.23/month at the U.S. average rate.
- The estimate is about 19.2 kWh per month, which corresponds to roughly $3.23/month at the U.S. average rate. Your real bill depends on your rate and runtime.
- Use energy-saving tips tailored to this appliance. For example: Seal air leaks and improve insulation to reduce run-time. — reducing kWh reduces the bill at your local rate.