calculator

							ENERGY SAVER AND PAYBACK CALCULATOR
(Enter the Data in Higlighted cell for Comparison)
EXISTING FIXTURES:-

NO. OF LAMPS PER FIXTURE:                              1
NO. OF FIXTURES:                                       1
POWER INPUT PER FIXTURE:                              40 Watts
HOURS OF OPERATION/DAY:                               10 Hours
COST PER FIXTURE:                                    250 Rupees

NEW LED FIXTURE:-

NO. OF LED PER FIXTURE:                                 3
NO. OF FIXTURES:                                        1
POWER INPUT PER FIXTURE:                              3.5 Watts
HOURS OF OPERATION/DAY:                               10 Hours
COST PER FIXTURE:                                    600 Rupees

ENERGY COST:-

RATE PER UNIT:                                         6 Rs/UnIt

RESULTS:-

                                               EXISTING     LED
ANNUAL ENERGY USE:                                   146    12.775 Kilo Watts
ANNUAL ENERGY COST:                                  876     76.65 Rupees
EFFICACY                                            12.6        90 lm/W

YOU SAVE:                                        799.35 Rs/Year
PAYBACK DAYS:                                  159.8174 Days

NOTES:
1. LEDs used are of CREE, USA and comes with the life cycle of minimum 40,000 Hrs. Hence the maintananc
replacement cost is saved upon besides the Power Saving compare to conventional Lights.
2. Default comparison made is between Tungsten bulb(40 W) for Warm White Color light and CFL/Mercury
 0 Hrs. Hence the maintanance and
 al Lights.
Color light and CFL/Mercury Vapor Lamp(40 W) for White light.