Northern


STANDARD LIGHTING
Watts per bulb
# of Fixtures/Bulbs
# of Hours per Day
# of watts per day 480000
Divided by 1000(kWh) 480
# of Working Days
Total kWh per month 14400
current kWh cost $
Maintenance & Ballast Monthly (p/bulb) 0.51
Maintenance & Ballast Monthly Total $510.00
Cost per month to burn $2,094.00
Cost per month to burn w/HVAC $2,408.10
Total annual cost to operate $28,897.20
Total annual CO2 Emissions (metric Tons) 107.38
HVAC Loads @ % monthly cost factor $314.10
Northern LED Lighting
Watts per bulb
# of Fixtures/Bulbs
# of Hours per Day
# of watts per day 216000
Divided by 1000(kWh) 216
# of Working Days
Total kWh per month 6480
kWh cost $
Cost per month to burn $712.80
   
Total annual cost to operate $8,553.60
Total annual CO2 Emissions (metric Tons) 48.32
Emissions Reduction (metric Tons) 59.06
   
   
Total Savings Monthly with LED $1,695.30
Total Savings Annually with LED $20,343.60
Total Savings over 10 Years $203,436.00
LED Bulb Cost $
Total Cost to retrofit with LED $25,250.00
Total Savings Percentage with LED 70.4%
Total CO2 Emissions Reduction 55%
ROI in Months 14.89