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Energy Cost Comparison - 100 Watt Metal Halide vs. 60 Watt Cosmopolis

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ENERGY AND MAINTENANCE COST COMPARISON:
100 Watt Pulse Start Metal Halide vs. 60 Watt Philips CosmoPolis™ Ceramic Metal Halide
100 Watt Pulse Start Metal Halide 60 Watt Philips CosmoPolis™ Lighting System
ENERGY COST COMPARISON
 Number of Fixtures 20
Lamp Wattage 100 60
CRI 70 70
Average Lamp Life (Horizontal) 11,250 Hours 30,000 Hours
Approximate Initial Lumens 7700 6900
Approximate Mean Lumens 5000 6200
Total System Wattage 125 67.3
Lumens Per Watt 62 103
Energy Consumed Per Year (kWh) 548 295
Energy Cost Per kWh $0.11
Annual Energy Cost Per Fixture $60.28 $32.45
Estimated Annual Savings Per Fixture $27.83
Years of Operation 5
Estimated Energy Savings $2,783
Maintenance Cost Comparison
Number of Fixtures 20
Lamp Cost $30 $85
Estimated Labor Cost Per Fixture $150 $150
Initial Cost $3,030 $3,085
Years of Operation 5
Life Cycles 1.95 0.73
Total Re-Lamping Cost $5,908.50 $2,252.05
Potential Maintenance Savings $3,656.45
Total Potential Savings  $6,439.45


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