4. • Assuming rate of $.20/kWh, this system costs
approximately 5 cents per hour when off.
(237W / 1000 =.237 kWh x Utility Rate of $.20/kWh = $.0474)
• Scheduling conservation for 8 hours/day on this system
will save this business approximately $138.41 per year.
($.0474 x 8 hours = $.3792 per day x 365 days = $138.408)
Conservation Case Study