GE, Alstom to equip natural gas combined cycle power plant for Exelon

In a more than half-a-billion-dollar order, Exelon, one of the largest competitive U.S. power generators, turned to GE (GE) to purchase four 7HA natural gas turbines, two D600 steam turbines, six generators and a contractual service agreement for the Wolf Hollow and Colorado Bend gas combined-cycle projects.

Alstom Power will provide the Heat Recovery Steam Generators (HRSGs) to produce the steam necessary to maximize generating capacity and efficiency at each unit.  Additionally, being mindful of increased water efficiency in drought-prone Texas, the new units will be cooled with air instead of water.

The four 7HA gas turbines GE is supplying to Exelon will, together with the steam turbines and generators, add a total of 2,000 MW of additional capacity for the projects.

The new units are being built on existing Exelon sites: one at Colorado Bend Generating Station, currently a 498 MW natural gas plant in Wharton County, TX; and the other at the 704 MW Wolf Hollow natural gas plant in Granbury, TX. Each new unit will add about 1,000 MW of capacity to their respective sites.

The equipment is expected to ship in 2016, and the plants are due to be operational in 2017, helping Exelon provide additional capacity, competitively priced, to the expanding Texas energy grid.

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