Solar energy Essay Example | Topics and Well Written Essays - 250 words

Solar energy - Essay Example The index varies from one hundred and twenty to one hundred and forty for homes that are old. Adopting a zero energy technology in a home is possible based on an occupant’s preferred performance efficiency. Using technical support, the use installing a zero home energy is possible. Installing an efficient zero energy system is possible with the setting up of solar thermal systems in homes to help enhance the save on other energy sources in the home. The efficiency of the system should be thirty of less than thirty. The use of energy from the utility grid should be minimal. The estimated cost of setting up a photovoltaic or PV system in Bellevue Washington, zip code 98007, which would produce enough solar energy, would be as calculated. The assumption is that the monthly cost of electricity bill is two hundred dollars. There is a good solar rating to set up the system in the area. The estimate cost of the installation of the system is twenty-six thousand dollars. It would take twenty-five years to recover the cost of the utility