To supply the extra juice, utilities turn on inefficient single-cycle gas turbines, which turn 25% of the fuel's energy into electricity, as opposed to 45% for combined-cycle plants that use turbine exhaust to make steam to run a second generator.

FORBES: Magazine Article

The fight between Repsol YPF , a Spanish energy concern, and Endesa , Spain's leading electricity provider, for the second-biggest generator, Iberdrola, has ended in a government-sanctioned settlement.

ECONOMIST: Sweet deals

Staff Sergeant Romesha took out an enemy machine gun team, and, while engaging a second, the generator he was using for cover was struck by a rocket-propelled grenade, inflicting him with shrapnel wounds.

WHITEHOUSE: The White House

Mr. McCullough said he felt safe in his second-floor home with a generator, food and water.

WSJ: Flooded Atlantic City Feels the Early Brunt