Texas BESS Project Unites OCI, CPS Energy, and LG Energy Solution

CPS Energy

OCI Energy, CPS Energy, and LG Energy Solution launched a major Texas BESS project collaboration. The 120MW/480MWh Alamo City battery storage system will stabilize Bexar County's power grid. This strategic Texas BESS project partnership advances San Antonio's energy resilience goals significantly.

LGES Vertech Supplies Advanced Battery Technology

LG Energy Solution's US division Vertech will provide cutting-edge battery systems and management technology. OCI Energy develops the project while CPS Energy secures the storage capacity offtake agreement. Meanwhile, this partnership raises CPS's total contracted battery storage to 520MW. The facility targets operational status by late 2026.

The Texas BESS project supports grid stability during peak electricity demand periods. Furthermore, the 20-year agreement ensures long-term energy security for San Antonio residents. This development aligns with Texas's growing energy storage infrastructure requirements.

Strategic Impact on Texas Energy Transition

CPS Energy's Vision 2027 plan incorporates this battery storage system comprehensively. The initiative adds 1,710MW natural gas, 730MW solar, and 84MW wind capacity. Therefore, energy storage becomes crucial for renewable integration and grid balancing. The project demonstrates Texas's commitment to diversified energy solutions.

Battery energy storage systems transform Texas's electricity market dynamics fundamentally. Moreover, Korean battery technology strengthens US-South Korea clean energy partnerships. As a result, San Antonio gains enhanced grid resilience and sustainability capabilities. This Texas BESS project model could inspire similar developments statewide.

The Metalnomist Commentary

LG Energy Solution's participation highlights Korean battery manufacturers' aggressive US market expansion amid IRA incentives. The 480MWh capacity represents significant lithium-ion battery demand, potentially requiring 400-500 tonnes of lithium carbonate equivalent. This project exemplifies how energy storage drives critical mineral demand while enabling renewable energy integration at scale.

OCI, CPS, LGES Partner on Texas BESS Project

Battery Energy Storage System (BESS)

The Alamo City BESS project in Texas marks a major milestone in energy storage and US-Korea clean energy collaboration.

Texas Battery Storage Capacity to Expand with 120MW BESS

OCI Energy, CPS Energy, and LG Energy Solution Vertech will jointly develop the Alamo City Battery Energy Storage System (BESS). The 120MW/480MWh facility, located in Bexar County, Texas, will supply backup power during peak demand periods.

Under the deal, LGES Vertech will deliver the BESS units and energy management systems to OCI Energy, the project developer. CPS Energy, the municipal utility serving San Antonio, will purchase the storage capacity through a long-term offtake agreement.

This collaboration increases CPS Energy's battery storage portfolio to 520MW, ensuring greater grid reliability across south-central Texas.

BESS Project Aligns with Vision 2027 Energy Plan

The Alamo City BESS project is scheduled to begin operation by late 2026. It will play a crucial role in Vision 2027, CPS Energy’s roadmap to a balanced, reliable, and sustainable energy mix.

Vision 2027 includes plans for 1,710MW of natural gas, 500MW of firming capacity, 84MW of wind, and 730MW of solar. The addition of this battery storage system helps CPS diversify and decarbonize its energy infrastructure.

As a result, this project strengthens both energy resilience and cross-border cooperation between the US and South Korea in the energy transition.

The Metalnomist Commentary

The Alamo City BESS is more than a storage project—it’s a blueprint for municipal utilities navigating the clean energy transition. With players like OCI, CPS, and LGES joining forces, we’re seeing the integration of international technology with local grid needs. Expect similar regional collaborations to follow as US battery storage demand accelerates through 2030.