If you own your home, you can start by spending five minutes comparison-shopping--
Double check solar installers by seeing what other consumers say-- on impartial review sites such as Yelp.
If you rent (or decide solar is not for you) you may stil be able to switch to renewable energy. See if Arcadia Power is available in your area. Make the switch. That way, every time you turn on the lights, you're not supporting dirty fossil fuels.
It's a satisfying feeling every month— sending your utility bill payment to a company that supports the environment instead of destroying it.