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CostORun

Outdoor security light vs Shop light (fluorescent): which costs more to run? (2026)

Estimates use U.S. average $0.180 $/kWh, typical wattage, and typical hours/day from our catalog. Adjust on each appliance page.

Outdoor security light

Typical watts
80 W
Hours/day
8
Monthly est.
$3.45
kWh/mo
19.2

Shop light (fluorescent)

Typical watts
40 W
Hours/day
4
Monthly est.
$0.86
kWh/mo
4.8

Outdoor security light is estimated to cost more per month at typical use.