Assume the retail price of electricity is $.18 per kilowatt-hour
1. What does it cost to leave a 200 watt light bulb on for 10 hours ?
2. The little red light on some clocks and CD players consumes about 2 watts. What does it cost to have that light on for a month (30 days).
3. In 2003, the Schuylkill Generating Station near South Street on the Schuylkill River was rebuilt as an oil fired plant. It produces 175 Megawatts. What is the retail value of 1 day's production of electricity at this plant ?