Siemens AG (NYSE: SI) said this week its U.S. division Siemens Energy will supply power equipment and long-term service to PacifiCorp’s proposed 637-megawatt (MW) Lake Side 2 combined-cycle gas-fired power plant at Vineyard, Utah, 30 miles south of Salt Lake City. Financial terms of the deal were not disclosed.
Lake Side 2 will be built adjacent to PacifiCorp’s 558-MW combined-cycle Lake Side 1 plant that was commissioned in 2007. Commercial operation is expected in the spring of 2014. The Utah Public Service Commission approved Lake Side 2 on April 20, 2011.
Power from LakeSide 2 will be sold to PacifiCorp’s subsidiary Rocky Mountain Power. PacifiCorp serves 1.7 million electricity customers as Rocky Mountain Power in Utah, Wyoming and Idaho, and as Pacific Power in Oregon, Washington and California. PacifiCorp, based in Portland, Oregon, was in acquired in 2006 by MidAmerican Energy Holdings Company, which is 88%-owned by Berkshire Hathaway Inc. (NYSE: BRK-A), controlled by Warren Buffett.
CH2M Hill Engineers Inc., based in Denver, is the engineering, procurement and construction contractor for Lake Side 2.
Siemens will supply two SGT6-5000F gas turbines, one SST6-5000 steam turbine installed in a combined cycle configuration, and two heat recovery steam generators (HRSG). Siemens also entered into a long-term service agreement for the Siemens supplied turbines and generators and will provide construction and commissioning support to the project.
PacificCorp said the combined-cycle combustion turbines can be cycled off and on rapidly, enabling the grid to make maximum use of wind and solar power when available and then to revert back to gas-fired power when wind and solar are not available.
Photo credit: Siemens Energy
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