OVER 156% RETURN ON INVESTMENT FROM RETROFIT
LIGHTING CONDITION & EFFICIENCY: 600 W HID Lamps distribute 6.5 foot-candles V.S. 56 W (2x28 W) LED lamps, which distribute 5.4 foot-candles. This experimental test confirms a 1 to 10 efficiency ratio in advantage to HELPS.
Energy cost and calculation information is best provided to the public by the U.S. Energy Information administration, Electric Power Monthly, Table 5.6.A. Average Retail Price of Electricity to Ultimate Customers by End-Use Sector, by State, July 2014 and 2013 (cents per Kilowatthours)