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Yearly Cost To Run A Solar Water Heater

It is tough to state how much it normally costs to run a solar water heater. The thing with solar heaters is that they use solar energy as a source of energy for most of their energy, and hence they provide the highest energy efficiency in the business. This means that most of your energy bill will come from the back up conventional water heater you may use. Hence, lets break down how much it costs to use a conventional water heater, which will eventually help you understand the cost for you solar water heater. Selecting the right water heater - one that is efficient and the right capacity - can dramatically impact your monthly energy bill.
Other ways to lower your energy bill include:
 - Always wash full loads of laundry, using cold water whenever possible.
 - Always run full loads in the dishwasher.
 - All water heaters carry standard Energy Guide labels. Below is an example on an image of energy label provided by the government.

"Base model" has an efficiency that just meets the national minimum standard for gas and electric water heaters. Lifetime energy cost is the sum of the discounted value of the annual energy costs based on assumed water heater life of 13 years. When calculating the cost, you will also need to make an informed assumption of the electricity price trend and a discount rate of 3.2% are based on Federal guidelines.
$0.09 per kWh for electricity is the Federal average price in the U.S.
$0.93 per therm for gas is the Federal average price in the U.S.
Hot water usage estimates:
Average shower (8 minutes) = 10 gallons of hot water
Average clothes washer (one load) = 7 gallons of hot water
Average dishwasher (one load) = 6 gallons of hot water
Average kitchen faucet flow = 2 gpm
Average bathroom faucet flow = 0.5 gpm
Average daily usage = 64 gallons of hot water.