Unlike a solar hot water system that uses the sun’s energy to heat water, solar electric or photovoltaic
technology uses the sun’s energy to make electricity.
But how much electricity can I obtain from a solar panel array? That depends upon you living location, panel orientation, climate conditions, etc
But to have and idea, consider this: The usable energy a typical house in California gets from sunshine in one year is enough to satisfy eight times (8X) its total annual electricity needs!
This EBook addresses the consumer's doubts about the initial costs and amortization. The reader can find here a lot of information regarding government aids and incentives.
Download this EBook published by the California Energy Commission.