Ah. Well, one up-and-coming alternative is Bloom Energy fuel cells, which run on natural gas, and are supposedly inexpensive enough producing energy that it's r

Ah. Well, one up-and-coming alternative is Bloom Energy fuel cells, which run on natural gas, and are supposedly inexpensive enough producing energy that it's reasonable to use them as "peaker" power production. I've never seen any numbers for them, though.