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News
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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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LCG, April 10, 2026--The U.S. Environmental Protection Agency (EPA) announced yesterday a rule proposing several revisions to the federal regulations governing the disposal of coal combustion residuals (CCR) and the beneficial use of CCR. The EPA designed the rule to encourage resource recovery, allow for site-specific considerations in permitting, and provide regulatory relief while continuing to protect human health and the environment. The EPA will be accepting comments on the rule for 60 days after publication in the Federal Register, and it will also hold an online public hearing on the rule.
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Industry News
Arbor Signs Agreement with GridMarket for 5 GW of Baseload Power
LCG, March 25, 2026--Arbor Energy today announced an agreement with GridMarket, an energy and infrastructure project facilitator, to deliver up to 5 GW of zero-emission power starting in 2029. GridMarket supports large energy users, including data centers, manufacturers, and logistics providers, with securing reliable and cost-effective power.
Arbor is developing a new type of commercial turbine, the HALCYON 25 MW supercritical carbon dioxide (sCO2) power system. The first HALCYON turbine is planned to commence operations by 2028. Arbor plans to manufacture gigawatts’ worth of turbines in support of projects around the world by 2030.
GridMarket's CEO stated, "Power availability is quickly becoming the gating factor for data center and industrial development. Our customers are increasingly looking for ways to secure new capacity faster than traditional generation timelines allow. Arbor’s system adds a new option for bringing baseload power online as demand continues to grow."
Power cycles based on sCO2 as the working fluid have the potential to yield higher thermal efficiencies at lower capital cost and with a significantly smaller footprint than state-of-the-art steam-based power cycles. When CO2 is held above its critical temperature and pressure, it acts like a gas yet has the density of a liquid. In this supercritical state, small changes in temperature or pressure cause dramatic shifts in density, which makes sCO2 a highly efficient working fluid to generate power.
Arbor states that its 25-MW HALCYON turbine will be shipped as a pre-assembled, 3D-printed unit that reduces manufacturing complexity and shortens lead times. Systems can be deployed individually or combined into larger plants as demand grows, while a fuel-flexible design enables zero-emission natural gas today with a pathway to negative-emission operation over time. If waste biomass is used as a fuel, Arbor states that its system can deliver carbon-negative power. Furthermore, Arbor expects that the modular systems can be stacked from 25 MW to over 1 GW to deliver reliable, clean power to utilities, hyperscalers, and industrial operations.
Arbor expects to scale deployments rapidly over the next decade. By 2030, the company plans to ship more than 100 turbines annually, representing over 1 GW of new capacity each year. The additional generation is expected to support data centers, manufacturers, and utilities seeking to strengthen grid resilience with distributed, zero-emission baseload power.
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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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