In addition to nukes, OR-SAGE also examines advanced coal with carbon capture and storage, solar and compressed air energy power plants.

FORBES: Plotting The Next-Generation U.S. Power Grid

At any rate, a group of municipal power companies in the American Midwest reckon that building a wind-powered compressed-air plant to take advantage of the blustery Great Plains will be worthwhile.

ECONOMIST: Compressed air might help to make wind power more reliable

Compressed-air plants are inefficient, and so they are commercially viable only in places where the price of power varies dramatically.

ECONOMIST: Compressed air might help to make wind power more reliable