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News
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LCG, August 15, 2025--Xcel Energy announced that the company received state approval yesterday from the Minnesota Public Utilities Commission to extend operations of the Prairie Island nuclear plant through the early 2050s. Prairie Island has two units that have a combined generating capacity of 1,100 MW. The units’ current operating licenses expire in 2033 and 2034.
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LCG, August 7, 2025--Portland General Electric (PGE) today announced the completion of three, four-hour lithium-ion utility-scale battery energy storage systems (BESS) in Oregon, adding 475 MW and more than 1.9 GWh of dispatchable capacity to serve the Portland metro area. Each of these BESS facilities can deliver power during peak demand or when other electric generating facilities are limited, which improves system flexibility, reliability and costs.
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Industry News
Operations Begin at TVA's John Sevier Combined Cycle Plant
LCG, May 2, 2012--Commercial operations of the Tennessee Valley Authority (TVA) John Sevier Combined Cycle Plant commenced on April 30. The project was completed a month ahead of schedule and at a cost approximately $30 less than budgeted.
The new electric generating facility is located about 50 miles northeast of Knoxville, Tennessee at an existing TVA site with coal-fired units. At the end of 2012, two of four coal-fired units are scheduled to be retired, and the remaining two will be idled.
The new gas-fired facility incorporates a three-on-one design (three gas combustion turbines, along with one steam turbine) that provides a total generating capacity of 880 MW. The gas-fired plant will have a staff of about 30 employees.
The John Sevier Combined Cycle Plant is the fifth combined cycle site for TVA. The addition of a gas-fired power plant at an existing coal plant targeted for retirement is becoming more and more prevalent, as sites with existing infrastructure are leveraged for future use while coal units transition toward retirement.
In January, TVA completed a lease-purchase transaction to provide $1 billion in financing to support TVA?s vision of national leadership in low-cost, cleaner energy by 2020. TVA will lease the John Sevier Combined Cycle Plant to a limited liability company, for which it will receive $1 billion in proceeds. TVA will now lease it back over 30 years.
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UPLAN-NPM
The Locational Marginal Price Model (LMP) Network Power Model
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UPLAN-ACE
Day Ahead and Real Time Market Simulation
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UPLAN-G
The Gas Procurement and Competitive Analysis System
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PLATO
Database of Plants, Loads, Assets, Transmission...
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