The efficiency of a solar energy system varies a lot depending on its exposure to the sun. If you live in a sunny area, your system should produce enough energy to cover all your needs but solar energy might not be such a good investment if you live in an area where the sky is usually filled with clouds.
Solar Water Heater, Solar Photo Voultaic Module, Solar Pump, Solar Light.
If you are interested in joining the green movement and helping the Earth, harnessing power from the sun is the way to go. It's natural, it's clean and it's renewable, which means that you can't use it all up. Therefore, not only can solar power help you save money on your electricity bill, it is also good for the environment.