From the mid-1990s until about four years ago, natural gas–fired combined-cycle plants dominated new capacity additions in North America. They became the technology of choice for all the right reasons:…
Gas
Coverage of every aspect of gas-fired power plant design, construction, and O&M, including combined cycles, HRSGs, cogeneration, and LNG.
The name "Alaska" comes from the Aleut word "alaxsxaq," meaning "an object toward which the action of the sea is directed," in this case the Alaska Peninsula. But alaxsxaq is…
Fluor Corp. (Aliso Viejo, Calif.) has finished building and commissioning the 620-MW Jack County power plant (Figure 2) near Jacksboro, Texas, for Waco-based Brazos Electric Cooperative Inc. The natural gas–fired,…
Users have learned—often, the hard way—that daily cycling reduces the life expectancy of hot components in gas turbines. For years, manufacturers of turbines have designed them to withstand the cumulative…
The boom-bust history of the U.S. electric power industry seems destined to repeat itself, with planned capacity additions for 2006 bottoming out at 17,756 MW—the lowest level in five years.…
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Desuperheaters—often called attemperators—in heat-recovery steam generators (HRSGs) are located between the primary and secondary superheaters and reheaters, and sometimes after the final stage of superheating (Figure 1). They are responsible…
A major independent power producer's (IPP's) merchant fleet includes dozens of gas-fired combined-cycle plants of 3 x 1, 2 x 1, and 1 x 1 configurations. Nearly all have triple-drum…
GE Energy's latest "first" is in Turkey, where the Frame 6C gas turbine-generator—a younger cousin of the popular Frame 6B—has made its commercial debut. The turnkey 130-MW combined-cycle plant, called…
The U.S. needs to add 600 to 800 billion cubic feet (Bcf) of natural gas storage capacity ASAP. Independent storage providers (ISPs) are the entities best equipped to build…