The 5 year savings are based on a 7% p.a. incease in the Kw/h rate.
Simple Payback Calculator - alter inputs as necessary. PowerSave Ballast and Lamp prices appear at full trade - volume discounts will apply. Check pricing with your supplier or from PowerSave Light and enter the actual cost.
Your existing lamps are not new but would be replaced with "new" PowerSave lamps - in effect an upgrade. Enter your estimate of the $value of the "used" portion of your lamps.
Example 1: your lamps cost $64 and are due for replacement - enter $64.
Example 2: your lamps cost $86 and are 50% used on average - enter $43.