Fixture Hours Watt-hours kWh per Cost per Cost per Number of Total cost wattage (P) on per per day day day year fixtures of per year day x (S÷1000) x x this type in x (Q R) (T cost (U 180 (V W) room (changes per kWh) days per if adding year) controls) PART F: SAVINGS AND PAYBACK Y Z AA BB CC Savings per Equipment cost ($) Labor cost ($) Total cost (Z + AA) Payback in years (BB÷Y) year (L-X)
Fixture wattage (P) Hours on per day (changes if adding controls) Watt-hours per day (Q x R) kWh per day (S÷1000) Cost per day (T x cost per kWh) Cost per year (U x 180 days per year) Number of fixtures of this type in room Total cost per year (V x W) PART F: SAVINGS AND PAYBACK Y Z AA BB CC Savings per year (L-X) Equipment cost ($) Labor cost ($) Total cost (Z + AA) Payback in years (BB÷Y)
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