Utilities Shift to Gas-Based Plants as Alternative to Coal - NYTimes.com

By CLIFFORD KRAUSS

Published: November 29, 2010

"For Progress, the decision to scrap coal-fired plants and replace them with gas-fired plants was a drastic change in its business plan. It meant reducing the utility’s coal-fired production capacity by 30 percent while increasing gas power from less than 4 percent of its production capacity to a projected 25 percent after the gas plants are built."