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Peak Energy Announces First Grid-Scale, Sodium-Ion Battery Energy Storage System in the U.S.

LCG, July 30, 2025--Peak Energy today announced the launch and shipment of its sodium-ion battery energy storage system (BESS) that includes a patent-pending passive cooling design that should significantly reduce lifetime energy costs. Peak Energy's system is to be deployed this summer in a shared pilot project with nine utility and independent power producer (IPP) customers.

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TVA Presents Third Quarter Fiscal Year 2025 Financial Results

LCG, July 29, 2025--The Tennessee Valley Authority (TVA) today reported third quarter fiscal year 2025 financial results, including $9.8 billion in total operating revenues on 121 billion kilowatt-hours of electricity sales for the nine months ending June 30, 2025. TVA reported total operating revenues had increased 11 percent over the same period last year, primarily due to higher rates and sales. TVA presented that sales of electricity increased 3 percent compared to the same period last year, primarily due to higher sales to residential and small customers, as well as increases within the data processing, hosting, and related services sector.

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Industry News

Mitsubishi Joins South Africa PBMR Nuclear Project

LCG, Aug. 20, 2001--Mitsubishi Heavy Industries Ltd. has announced that it will participate in the development of a 100 megawatt high-temperature gas reactor that is under design by Pebble Bed Modular Reactor Pty. Ltd. of South Africa, Asia Pulse reported this morning.

Mitsubishi thus joins Exelon Corp. of the U.S. and possibly Electricit de France in seeing a future for the small, modular nuclear reactor being developed by the South African utility Eskom, parent company for PBMR Ltd.

The pebble bed modular reactor is a nuclear power plant that uses coated uranium particlesencased in graphite to form a fuel sphere that is two and one-third inches in diameter and safe to handle. In addition, the design uses helium as the coolant and energy transfer medium to a closed cycle gas turbine and generator.

The design differs in a number of ways from conventional pressurized water reactors which most of those in the U.S. are. These design differences, according to backers, result in the reactor being an inherently safe and economical power plant.

Another virtue is the design's modularity. Units of 100 megawatts each can be combined to provide a power plant of nearly any total capacity desired.

Mitsubishi Heavy said it will examine the technical and commercial viability of turbine generators powered by helium heated inside the reactor, and will sign a formal contract shortly. The company will participate in PBMR Ltd.'s plans to begin building a prototype high-temperature gas reactor in March of next year, for completion by January 2007.

Exelon has asked the U.S. Nuclear Regulatory Commission to develop licensing standards for the pebble bed modular reactor and has indicated that it might seek such a license in about a year.

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