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News
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LCG, April 15, 2026--Suniva announced yesterday that it has entered agreements to bring a state-of-the-art 4.5 GW solar cell manufacturing facility to Laurens, South Carolina. The new facility, combined with Suniva’s existing facility at its headquarters in metro Atlanta, will bring the company’s total annual domestic solar cell manufacturing capacity to over 5.5 GW.
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LCG, April 13, 2026--The EIA today released an "In-brief Analysis" of U.S. coal-fired generating capacity retirements in 2025. A highlight of the analysis is that, during 2025, the electric power sector retired 2.6 GW of coal-fired generating capacity at four power plants, which is (i) the least since 2010 and (ii) 5.9 GW less than the planned retirement of 8.5 GW at the beginning of 2025.
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Industry News
Construction Halted on SWEPCO's Coal-fired Power Project
LCG, December 3, 2008--Construction at Southwestern Electric Power Company's (SWEPCO) coal-fired electric generating facility in southwest Arkansas yesterday was halted in response to an appeal filed by the Sierra Club and Audubon Arkansas with the Arkansas Pollution Control and Ecology Commission. According to a SWEPCO spokesperson, the halt in construction work is required when an appeal is filed. SWEPCO plans to request that construction be allowed to continue pending the decision regarding the appeal.
Following a two-year review of the application, the Arkansas Department of Environmental Quality issued the air permit for the proposed John W. Turk Jr. plant on November 5, 2008.
SWEPCO, a subsidiary of American Electric Power (AEP), proposed to construct the 600-MW plant in Hempstead County, Arkansas to serve retail and wholesale customers in Arkansas, Texas and Louisiana. The estimated cost of the facility is $1.52 billion. The proposed facility will use ultra-supercritical technology and will burn sub-bituminous, Powder River Basin (PRB) coal from Wyoming.
In a 2-1 decision last November, the Arkansas Public Service Commission (APSC) granted a Certificate of Environmental Compatibility and Public Need (CECPN) to construct the plant.
In March 2008, the Louisiana Public Service Commission (LPSC) unanimously approved SWEPCO's request to build the plant, including a requirement for SWEPCO to prepare and submit a study that identifies potential, cost-effective energy efficiency and load management programs for SWEPCO's Louisiana customers. The Public Utility Commission of Texas approved the proposal in July 2008, rejecting a recommendation from an administrative law judge (ALJ).
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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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