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Oregon energy storage company plans 450-megawatt facility in Galveston County

The GridStor project will boost the Electric Reliability Council of Texas grid. It’s GridStor’s first acquisition in ERCOT territory. Photo via gridstor.com

An Oregon startup has purchased a 450-megawatt battery energy storage project in Galveston County.

GridStor, a Portland, Oregon-based developer and operator of battery energy storage systems, bought the project from Moab, Utah-based Balanced Rock Power. The Utah company develops utility-scale solar and energy storage projects.

Financial terms of the deal weren’t disclosed.

GridStor, founded in 2022, is backed by Goldman Sachs Asset Management. The Portland Business Journal reported last November that Goldman Sachs had raised a $410 million fund to fuel its energy storage strategy.

Construction on the Evelyn Battery Energy Storage project is scheduled to get underway this summer, with the system projected to go online in the spring of 2025.

“Battery storage is a scalable and near-term solution to powering historic load growth in Texas,” Chris Taylor, CEO of GridStor, says in a news release. “Every day, batteries are consistently providing energy to stabilize the power system and meet hours of greatest demand in the state.”

The GridStor project will boost the Electric Reliability Council of Texas (ERCOT) grid. It’s GridStor’s first acquisition in ERCOT territory.

The project will be built near the Hidden Lakes substation, which is owned by Texas-New Mexico Power, which now just serves Texas. This proximity will enable batteries to quickly begin grid-connected operations.

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A View From HETI

Hurricane season began June 1. Photo via Pexels

As hurricane season descends upon the region, CenterPoint Energy has shared the latest update on its Greater Houston Resiliency Initiative (GHRI) that’s been working to make grid upgrades and introduce weather-related tech since 2024.

As of April 2026, CenterPoint had:

  • Replaced more than 65,000 poles with stronger storm-resistant infrastructure
  • Trimmed or cleared more than 10,000 miles of vegetation
  • Undergrounded more than 500 miles of power lines
  • Installed more than 600 automation devices
  • Installed more than 150 weather stations

In May, CenterPoint announced its new Community Progress Tracker, which helps residents track electronic infrastructure improvements. In terms of other technology, CenterPoint has announced its partnership with weather, wildfire and flood modeling software Technosylva. The software is expected to help CenterPoint track weather conditions in advance to better prepare crews.

CenterPoint has also added 150 weather stations to improve weather monitoring, conducted a full-scale hurricane response exercise involving more than 400 employees and completed more than 25,000 hours of FEMA training across more than 800 employees. The company opened a new year-round Emergency Operations Center to help coordinate with emergency response partners, local and state officials, and media during major weather events.

“We are proud of the progress made in 2025, which helped deliver more than 100 million fewer outage minutes when compared to 2024, and we are determined to make even more progress in 2026 as we work toward our defining goal: building the nation's most resilient coastal grid,” Nathan Brownell, CenterPoint's vice president of resilience and capital delivery, previously said in a news release.

According to the company, the GHRI aims to improve overall grid resiliency and reliability and to reduce outages for customers. CenterPoint projects its efforts can reduce customer outages by 150 million by the end of 2026.

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