My advice would be to proceed with extreme caution. Check out a company on the Better Business Bureau or on MyFlorida.com to verify credibility. Unfortunately, many people are willing to take advantage of you for money.
Recently, a neighbor of mine paid exorbitant rates for energy products sold by one of these companies acting as if they are carrying out a State of Florida Energy Conservation Program. For example, I paid $300 after utility rebates to upgrade my ceiling insulation from R-18 to R-30. For the same thing, my neighbor paid over $11,000!
We care about you! Do not get caught in an energy/utility scam. Before making a huge energy investment why not contact your energy experts at Florida Public Utilities for reliable, straight forward energy truth, www.fpuc.com/energyexperts.