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News
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LCG, April 29, 2025--Officials from the U.S. Environmental Protection Agency (EPA) and Texas Railroad Commission (RRC) signed a memorandum of agreement (MOA) today outlining the state’s plans to administer programs related to carbon storage wells, known as Class VI wells. The MOA signing is a required step in the RRC’s application to be granted authority to permit Class VI wells in the state of Texas. EPA is currently preparing a proposed approval of RRC’s primacy application.
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LCG, April 24, 2025--Exxon Mobil Corporation (ExxonMobil) announced yesterday an agreement with Calpine Corporation (Calpine) to transport and permanently store up to 2 million metric tons per annum (MTA) of CO2 from Calpine’s Baytown Energy Center, a natural gas-fired facility located near Houston, Texas. This is part of Calpine’s Baytown Carbon Capture and Storage (CCS) Project that is designed to add CCS for the facility’s CO2 emissions. The Calpine facility could then provide a 24/7 supply of low-carbon electricity to the Texas grid plus steam to nearby industrial facilities.
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Industry News
Transco Files Application for Southeastern Trail Expansion Project with FERC
LCG, April 13, 2018--Williams Partners L.P. announced yesterday that Transco has filed an application with the Federal Energy Regulatory Commission (FERC) seeking authorization for its Southeastern Trail Expansion Project. The expansion of the Transco natural gas pipeline system would create 296,375 dekatherms per day of additional firm transportation capacity to serve the growing markets in the Mid-Atlantic and Southeast. The application reflects an expected capital cost of $404.8 million and a target in-service date of November 1, 2020. The proposed schedule includes starting construction in August 2019.
Transco is a wholly owned subsidiary of Williams Partners L.P., of which Williams owns approximately 74 percent, including the general-partner interest. Transco delivers natural gas through its pipeline network whose mainline extends nearly 1,800 miles between South Texas and New York City and serves markets in 12 Southeast and Atlantic Seaboard states, including major metropolitan areas in New York, New Jersey and Pennsylvania.
Williams Partners has executed precedent agreements with utility and local distribution companies (LDCs) located in Virginia, North Carolina, South Carolina and Georgia for 100 percent of the firm transportation capacity. Customers served by the project are PSNC Energy, South Carolina Electric & Gas, Virginia Natural Gas, the City of Lagrange, Georgia, and the City of Buford, Georgia.
"Southeastern Trail is a critical project that will work to bring key supplies from interconnects in the Mid-Atlantic region to growing demand centers in the Southeastern U.S.," said the chief operating officer of Williams Partners' general partner. "This vital project, along with additional expansion opportunities under development, will link low-cost supply to key customers in high-growth markets and continues the expansion of southbound capacity on the Transco pipeline system. Construction of this project along Transco's existing corridor results in significantly less environmental impact and more economical transportation rates for our customers than other greenfield projects serving these same markets."
The proposed Southeastern Trail Expansion project will consist of approximately 7.7 miles of 42-inch pipeline looping facilities in Virginia, horsepower additions at existing compressor stations in Virginia, and piping and valve modifications on other existing facilities in South Carolina, Georgia, and Louisiana to allow for bi-directional flow.
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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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