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Energy Vault and Jupiter Power Announce New Agreement for Battery Energy Storage System in Texas

LCG, June 4, 2025--Energy Vault Holdings Inc. (Energy Vault) and Jupiter Power (Jupiter) today announced the signing of an agreement for the supply of an additional battery energy storage system (BESS) at a Jupiter site in the Electric Reliability Council of Texas (ERCOT) region. The initial BESS project, located near Fort Stockton, Texas, was completed in July 2024, with a storage capacity 100 MW/200 MWh. The new BESS project will add another 100 MW/200 MWh of capacity. Construction has commenced, and the project is expected to achieve commercial operations by the end of this summer.

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NuScale Power Achieves Standard Design Approval from NRC for 77 MW SMR

LCG, May 30, 2025--NuScale Power Corporation (NuScale), a leading provider of advanced small modular reactor (SMR) nuclear technology, yesterday announced that it has received design approval from the U.S. Nuclear Regulatory Commission (NRC) for its uprated 77 MW power modules. NuScale states that it remains the only SMR technology company with design approval from the NRC, and the company remains on track for deployment by 2030, with 50- and 77-MW SMR options.

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Industry News

Midwest ISO Releases Draft Tariff

LCG, June 23, 2003--A set of draft tariff and market rules governing day-ahead and real-time energy markets, called the Open Access Transmission and Energy Markets Tariff, has been released by the Midwest Independent Transmission System Operator.

The rules were revised based on responses from ISO members and interested parties, following a technical conference held in May, and are being made subject to further comment. In addition, a sample allocation for financial transmission rights has been made public. The allocation was determined by using a network data model, incorporating generating resources and load. The Midwest ISO is asking for input on the system for allocation.

According to James P. Torgerson, president and chief executive officer of the ISO, "Defining the tariff langugage necessary to provide a solid blueprint for market operations, developing a network data model and producing initial financial transmission rights allocations are key components of our overall plan for ensuring a smooth market opening." The ISO intends to make an informational filing with FERC by August 1. "We are committed to honoring existing contracts and service arrangements consistent with federal and state policy," Torgerson said.

A guide to the Midwest Market Initiative is posted at www.midwestmarket.org.
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