When temperatures rise, utility costs do, too. While reputable companies can help you save money with clean or solar energy improvements, scammers offer more than they can deliver. The scams vary, but here’s the gist: someone claiming to be with the government or your utility company promises big savings on your utility bills from solar energy or other home improvements designed to increase energy efficiency. If you agree to the scammer’s offer, it could cost you tens of thousands of dollars.