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TerraPower Announces Start of Construction on First Utility-Scale Advanced Nuclear Plant in Wyoming

LCG, April 23, 2026--TerraPower announced today the official start of construction on its Kemmerer Unit 1 nuclear power plant, which could be the first utility-scale advanced nuclear power plant in the United States. In early March, the Nuclear Regulatory Commission (NRC) announced that it had authorized the staff to issue a construction permit for Unit 1 commercial nuclear power plant in Kemmerer, Wyoming.

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TVA Announces Two Energy Storage Agreements Totaling 425 MW/1,700 MWh

LCG, April 22, 2026--The Tennessee Valley Authority (TVA) yesterday announced two new, 20-year agreements for a 225 MW/900 MWh battery energy storage system (BESS) project in East Tennessee and for a 200 MW/800 MWh BESS project in northern Alabama. Both projects are planned to commence commercial operations in 2029.

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Industry News

Plans Proceed for New Nuclear Reactors at South Texas Project Electric Generating Station

LCG, August 8, 2006--GE Energy and the STP Nuclear Operating Company (STPNOC) announced yesterday that they executed project development agreement to study the deployment and commence licensing activities for two GE Advanced Boiling Water Reactors (ABWRs) to be sited at the South Texas Project Electric Generating Station (STP), located about 90 miles southwest of Houston.

STPNOC is acting as the agent for NRG Energy Inc., which owns 44 percent of STP and recently announced plans to develop the two new ABWR units, which would each have a generating capacity of about 1,500 MW. The new units would be installed adjacent to the existing STP nuclear generating station, which now consists of two pressurized water reactors, each with a capacity of 1,312 MW. The other owners of STPNOC are CPS Energy (40 percent) and Austin Energy (16 percent).

Representatives from STPNOC, NRG and GE met with the U.S. Nuclear Regulatory Commission (NRC) on July 27, 2006 to discuss plans to prepare a combined license (COL) application for the two-unit project.

The NRC issued final design certification for the GE ABWR in 1997, allowing it to be used in U.S. projects. The ABWR is a "Generation III" reactor design that is in operation today, with four operating units in Japan and two more approaching completion in Taiwan.

GE's next evolution of advanced BWR technology is the economic simplified boiling water reactor (ESBWR). The ESBR is a 1,500-MW design that incorporates passive safety features that rely upon natural forces, such as gravity, in order to reduce reliance on active, mechanical systems, like pumps and valves. GE submitted its Design Certification application to the NRC for the ESBWR in nearly a year ago. GE anticipates a full Safety Evaluation Report by late 2007, in time for COL submissions that would support the commercial operation of new ESBWRs by 2014 or 2015.
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