Electricity generated by running water through a dam's turbines costs about 9 cents a kwh generated. That's less than half the cost of electricity generated from "ordinary" solar panels. More than three times less than solar thermal power. And hydropower may be even cheaper than what the EIA says it is.
The Hoover Dam, for example, is said to wholesale the electricity it generates for as little as 1.6 cents a kwh -- about a penny-and-a-half.
Say what you will about the downsides of wind power -- that windmills kill birds and bats, that they allegedly induce headaches in their neighbors -- one thing's for sure: Wind power is a whole lot cheaper than solar.
EIA estimates say that amortized over their lifetime, windmills generate electricity for a cost of just 10 cents a kwh on average -- on par with hydro, and far cheaper than solar.
Across the ocean, the European Wind Energy Association claims that some of its member projects are generating electricity at a cost of as little as 5 cents a kwh.