Home energy prices will be rising sharply in the next few years. This article from The Philadelphia Inquirer explains that PECO (A Philadelphia area utility company) has held down prices as part of a recent restructuring/rate cap plan that ends in 2011. I'm guessing that the same is in store with regard to utility companies everywhere else. Being immune to this is one more benefit we'll have when we're producing most of our own power.
"State officials have warned that double- or triple-digit rate increases could occur as price caps expire and utilities enter the next phase of the state's power-industry restructuring. Spikes have happened elsewhere to customers protected by caps that expired before Peco's."
"Last year, Peco itself predicted its prices would rise about 20 percent for residential customers in 2011..."