Payback and ROI Analysis Summary HP Computer Lab 6A
Electrical Rate
$
Watts per fluorescent NEXTLamp Watts Hours per day Days per year Number of fixtures Fluorescents per fixture NEXTLamps per fixture Price per NEXTLamp Price per NEXTDriver Price per fluorescent lamp Price per existing fluorescent ballast Price per dimmable fluorescent ballast Fluorescent lamp life estimated Fluorescent ballast life estimated Installation labor cost per fixture Fluorescent lamp disposal cost HVAC impact ratio Ballast disposal cost Approximate square footage Approximate sq. ft. per fixture
$ $ $ $ $
$ $ $
0.1200
32W 19.5W 24 hours 365 days 1,400 2 2 39.95 24.95 4.00 20.00 45.00 2.7 years 6.8 years 40.00 1.00 45% 2.50 140,000 100
Annual Savings Annual fluorescent kWh Annual NEXTLamp kWh Lighting Energy Saved HVAC Energy Saved Total Energy Saved CO2 saved Energy Cost Savings Relamping Cost Savings Reballasting Cost Savings Annual Savings Annual Savings per square foot Watts saved per fixture MMBTU Saved from Lighting
$ $ $ $ $
Initial NEXT Investment NEXTLamps $ NEXTDrivers $ Other $ Estimated Labor $ $
772,632 kWh 478,296 kWh 294,336 kWh 132,451 kWh 426,787.20 111.8 tons 51,214 25,550 12,775 89,539 0.64 24.0 W 1003.54
111,860 34,930 56,000 202,790
5.707762557 ROI Over Rated Life Fluorescent 4,410,000 kWh NEXT 2,730,000 kWh Lighting Energy Saved 1,680,000 kWh HVAC Energy Saved 756,000 kWh Total Energy Saved 2,436,000.00 CO2 saved 638.2 tons Energy Cost Savings $ 292,320 Relamping Cost Savings $ 145,833 Reballasting Cost Savings $ 72,917 Savings $ 511,070
MMBTU Saved from Lighting
Dimmable Fluorescent Investment Fluorescent lamps $ 11,200 Ballasts $ 63,000 Estimated Labor $ 56,000 $ 130,200
Payback Calculation 2.3 years Payback period vs. your existing non-dimmable fluorescent installation 0.8 years Payback period vs. making an investment in dimmable T8 fluorescent lamps and ballasts Prepared by: Rob Leonard
[email protected] (206) 465-6096
5727.98
NEXT Lighting Corp. One Market Street, Spear Tower, Suite 3600 San Francisco, CA 94105