| 1. LIGHTING |
| Lighting | Watts | Cost ($ per hour) |
| Incandescent / Halogen |
| 40 to 60 watts | 50 (per lamp) | $0.01 |
| 75 to 100 watts | 88 (per lamp) | $0.02 |
| 120 to 150 watts | 135 (per lamp) | $0.02 |
| 200 to 300 watts | 250 (per lamp) | $0.04 |
| 325 to 500 watts | 400 (per lamp) | $0.07 |
| 1000 watts | 1000 (per lamp) | $0.17 |
| Mercury Vapor (bluish white) |
| 50 to 100 watts | 75 (per lamp) | $0.01 |
| 175 to 250 watts | 215 (per lamp) | $0.04 |
| 400 watts | 400 (per lamp) | $0.07 |
| Metal Halide (White) |
| 32 to 100 watts | 66 (per lamp) | $0.01 |
| 175 to 250 watts | 215 (per lamp) | $0.04 |
| 400 watts | 400 (per lamp) | $0.07 |
| High Pressure Sodium (golden) |
| 35 to 100 watts | 65 (per lamp) | $0.01 |
| 150 to 250 watts | 200 (per lamp) | $0.03 |
| 400 watts | 400 (per lamp) | $0.07 |
| Fluorescent: standard T12 tubes with magnetic ballast |
| 1 - 4-ft tube and ballast | 55 (per fixture) | $0.01 |
| 2 - 4-ft tube and ballast | 96 (per fixture) | $0.02 |
| 3 - 4-ft tube and ballast | 148 (per fixture) | $0.03 |
| 4 - 4-ft tube and ballast | 192 (per fixture) | $0.03 |
| 1 - 8-ft tube and ballast | 100 (per fixture) | $0.02 |
| 2 - 8-ft tube and ballast | 172 (per fixture) | $0.03 |
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