The power generation industry is about to see interuptions on the order of the oil embargo of 1973 and again in 1977. In this very blogsphere an article appears on how SCE is looking to get a 30% increase in energy rates. Have also seen recent articles of PG&E raising rates. It is happening across the U.S. For a small grid tied solar system, 2KW peak to 4KW peak is in the neighborhood of 20,000 to 32,000 installed. With rebates 5,000 to 10,000 less. With just the small system installed on your roof, you could keep yourself out of the top tiers of electricity charges and reduce your bill substantially. With the 4KW peak system many homes could almost erase their electric bills over the year. The system output is guaranteed for 25 years and most solar is known to put out good power for 40 years.