Example Energy Savings Calculation

150 Watt Replaced by 90 Watt Saves 60 Watt
2500 Annual Operating Hours x 2500 hrs.
Saves 15000 whr
Convert to Kilowatt Hours / 1000
Energy Saved Saves 150 kwhr
Multiple By Energy rate x $0.10
Annual Savings Per bulb Saves $15.00
Based on 2500 hours per year & $0.10 per/kwhr
Source: Philips