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.
You should consider switching to solar power if your home receives 5 hours of sun per day and you experience high energy rates. In this case, your investment in purchase and installation will be well worth it.
Short review of some basic cheap Chinese PWM solar charge controllers. If you want to use Li-ion batteries instead of the lead acid batteries, watch this video: …
Check that your solar-energy installer has the proper licenses and insurance. Installing solar panels on a steep roof is a delicate job, and you should feel confident that your installers know what they are doing. At a minimum, look for a contracting license, workers compensation insurance, and general liability insurance.