Outdoor Lighting Costs
See how the following outdoor lighting choices compare:
| Efficient Outdoor Lighting Costs |
| Type |
Wattage |
Lumens (Light Output) |
Annual Cost to Use: 4 hours/night
|
Annual Cost to Use: dusk to dawn |
Annual Savings vs. Incandescent of Similar Brightness |
| LED or compact fluorescent |
15 |
925 |
$3.07 |
- |
$9.19 |
| LED or compact fluorescent |
15 |
925 |
- |
$8.43 |
$25.30 |
| LED or compact fluorescent |
23 |
1,290 |
$4.70 |
- |
$10.63 |
| LED or compact fluorescent |
23 |
1,290 |
- |
$12.93 |
$29.23 |
| High-pressure sodium |
35 |
2,025 |
- |
$13.25 |
$64.64 |
Assumptions: Dusk-to-dawn lighting operates an average of 11 hours per night. Electricity at 14¢ per kWh.