How much does it cost to run an outdoor floodlight? ($1.53/mo)
Running an outdoor floodlight costs about $1.53 / month
($0.05/day at 6 h/day, $0.17/kWh).
($0.05/day at 6 h/day, $0.17/kWh).
Running cost calculator
Per hour—
Per day—
Per month—
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Energy/mo—
An LED floodlight lights a yard or driveway efficiently, and a motion sensor cuts its energy use to near zero when nothing moves.
Cost at different electricity rates
| Electricity rate | Per day | Per month | Per year |
|---|---|---|---|
| $0.10/kWh | $0.03 | $0.90 | $10.95 |
| $0.15/kWh | $0.05 | $1.35 | $16.43 |
| $0.20/kWh | $0.06 | $1.80 | $21.90 |
| $0.25/kWh | $0.08 | $2.25 | $27.38 |
| $0.30/kWh | $0.09 | $2.70 | $32.85 |
| $0.40/kWh | $0.12 | $3.60 | $43.80 |
Cost over time
| Per hour of use | $0.01 |
| Per day (6 h) | $0.05 |
| Per month | $1.53 |
| Per year | $18.62 |
How to spend less
- Run it fewer hours or on an eco / lower setting.
- Upgrade to a more efficient model (check the energy label).
- Use a smart plug or timer to kill standby and idle draw.
Want the raw figure? See how many watts an outdoor floodlight uses.
FAQ
How many watts does an LED floodlight use?
Typically 20-150 watts depending on brightness.
How can I lower floodlight costs?
Use motion or dusk-to-dawn sensors so it only runs when needed.