For families with four people, a solar energy system should produce approximately 5,000 kilowatts. This allows you to wash and dry five loads of laundry a week, run the dishwasher five times a day and power multiple televisions and lights. When deciding on the system, choose one larger than what you think you need. You can always sell the extra power produced to the electric company.
You have likely already made the choice to remove your reliance on fossil fuels and start a new life using solar energy as your main source of power. The technology used today is less-harmful on the environment and more efficient than what was in use years ago. Breakthroughs occur every day and every day you could be saving even more.
If your roof cannot to support the weight of photo-voltaic solar panels, you can save a lot of money by investing in thin film solar panels. These panels are very light and flexible, which makes the installation much easier and affordable. Their higher price is also justified by their efficiency.
Understand the limitations of solar water heating. The best systems are one third more economical when compared to energy efficient electric water heaters. Don't assume that early morning showers involve only cold water. The water in the tank should stay hot for at least 24 hours.