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RWE Commissions the 200-MW Stoneridge Solar Project in Texas

LCG, November 26, 2025--RWE announced today the commissioning of the Stoneridge Solar project, located in Milam County, Texas. The project capacity is 200 MW of solar power, plus a battery energy storage system (BESS) that provides 100 MW (200 MWh) of battery storage capacity. The BESS improves the supply of short-term, reliable, affordable electricity in ERCOT.

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Oklo and Siemens Energy Sign Agreement to Accelerate Power Conversion System for New SMR in Idaho

LCG, November 19, 2025--Oklo Inc. and Siemens Energy announced today that the parties have signed a binding contract for the design and delivery of the power conversion system for Oklo’s Aurora-INL (Idaho National Laboratory) nuclear small modular reactor (SMR). The agreement authorizes Siemens Energy to begin engineering and design work to expedite procurement of long-lead components and to initiate the manufacturing process for the power conversion system. Oklo’s expertise in advanced fission technology will be combined with Siemens Energy’s extensive industry experience with steam turbine and generator systems, with the ultimate goal of generating carbon-free, reliable electricity.

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Industry News

Tucson Electric in 760 Megawatt Plant Expansion

LCG, Feb. 2, 2001Tucson Electric Power Co. will double the capacity of its Springerville Generating Station in northeastern Arizona by adding two 380 megawatt coal-fired units to the two already in operation, the utility's parent holding company said yesterday.

Bechtel Power Corp. will handle the construction, Unisource Energy Corp. said. Bechtel had originally designed the facility as a four-unit plant, and had completed construction of units one and two in 1985 and 1990. The new units will bring the plant up to its 1,520 megawatt design capacity.

The two new units, which will be placed in service in 2004 and 2005, are expected to be fully utilized between the energy needs of Tucson Electric's own customers and power purchase agreements with other Arizona energy companies.

James S. Pignatelli, Unisource chief executive, said "This project provides an excellent opportunity for the expansion of our existing resources to support the energy and reliability requirements of Arizona's residential, commercial and industrial customers."

Bechtel is no stranger to power plant development according to Eric Grenfell, a vice president and manager of fossil power for the Americas. "We have designed and constructed more than 100 baseload coal-fired facilities and 350 fossil-fired units since entering the power market in 1946," he said.

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