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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

Dairyland Power Cooperative to Acquire Gas-fired RockGen Energy Center to Complement Rise in Renewable Resources

LCG, August 27, 2021--Dairyland Power Cooperative announced yesterday that it has entered into a purchase agreement to acquire the RockGen Energy Center, a 503 MW natural gas power plant located in Cambridge, Wisconsin, from an affiliate of Starwood Energy Group Global, LLC ("Starwood Energy"). The acquisition is subject to customary conditions, including regulatory approvals, and is expected to close by the end of 2021.

Dairyland Power Cooperative’s President and CEO stated, “RockGen will help meet our members' power supply needs as we transition to more renewable resources. Safely delivering reliable and sustainable electricity to our members is critical as we continue to diversify Dairyland's energy portfolio and lower carbon intensity. With the closing of our coal-fired Genoa Station #3 this year, the availability of this existing, low-cost and reliable facility in Wisconsin is both timely and a good strategic fit for our power supply portfolio.”

The RockGen Energy Center is a simple-cycle facility that includes three, 168-MW gas turbines. The low-NOx combustion turbines can ramp up and down quickly to support intermittent solar and wind resources. The natural gas-fired facility commenced operations in 2001, and re-commissioning was completed in 2020 to allow operation on fuel oil as a backup fuel source. The dual fuel flexibility enhances reliability in the region when or if the natural gas supply is limited.

The CEO of Starwood Energy stated, “RockGen is a world-class facility and under our ownership, we have been able to add tremendous commercial and operational value to this asset. We are confident that this asset will serve Dairyland and its members for many years to come.”

Starwood acquired the facility in July 2019 from Calpine, the original owner.
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