Companies sign MOU to advance 120 MW / 480 MWh energy storage project in San Antonio, Texas
SEOUL, South Korea , May 27, 2025 /PRNewswire/ — Texas-based OCI Energy LLC (OCI Energy) and CPS Energy, along with LG Energy Solutions’ U.S. energy storage division, LG Energy Solution Vertech, signed a Memorandum of Understanding (MOU) yesterday, May 26, 2025, to memorialize their collaboration regarding the Alamo City Battery Energy Storage System (Alamo City BESS) project. The joint effort, formalized during a ceremony in Seoul, South Korea, where the parent companies of OCI Energy and LG Energy Solution Vertech are headquartered, represents a significant advancement in grid strengthening infrastructure that will enhance energy security and reliability for residents and businesses in San Antonio, Texas.
Under the MOU, LG Energy Solution Vertech would provide the battery energy storage system and energy management technology to OCI Energy, the project developer. CPS Energy, as the off-taker, would commit to purchase energy storage capacity via an agreement to be negotiated with OCI Energy. This would further cement CPS Energy’s role as a leader in the sustainable energy integration of Texas. OCI Energy would be responsible for the development, financing, construction, operation, maintenance and ownership of the project.
“This collaboration reflects our shared commitment to energy innovation and affordability,” said Sabah Bayatli, President of OCI Energy. “The Alamo City BESS project demonstrates the strength of international partnerships in delivering critical energy infrastructure that will provide CPS Energy customers with greater energy security. We are proud to work alongside CPS Energy and LG Energy Solution Vertech to realize this vision for a stronger, safer grid that provides more affordable power, while supporting local economic development.”
“We are proud to support San Antonio’s energy transition through this strategic collaboration,” said Jaehong Park, President and CEO of LG Energy Solution Vertech. “This project integrates our advanced lithium-ion batteries with comprehensive solutions—including system integration, control software, and long-term services. The deployment of our BESS marks a key milestone in stabilizing the Texas power grid, and we remain committed to advancing grid reliability as we expand our efforts across Texas.”
“Our community is growing at an exponential rate, and we have been focused on our Vision 2027 strategy to meet this growth,” said Rudy D. Garza, President & CEO of CPS Energy. “I’m proud of our team for delivering on our commitment to increase energy capacity for our growing community. Every megawatt that we can provide our customers counts.”
Upon execution of the relevant agreements, the project is expected to reach commercial operation in 2027.
About OCI Energy
OCI Energy is a leading developer, owner, and operator of utility-scale solar and battery energy storage projects. Since its establishment in 2012, OCI Energy has been committed to accelerating the clean energy transition through high performing solar and battery energy storage assets. From pre-development through to operations and asset management, OCI Energy has a diverse nationwide portfolio of projects, targeting 10 GW by 2028. OCI Energy continues to lead the way in providing the energy assets that drive economic growth and security for communities locally as well as across the U.S.
About CPS Energy
Established in 1860, CPS Energy is the nation’s largest public power, natural gas, and electric company, providing safe, reliable, and competitively-priced service to more than 950,000 electric and 389,000 natural gas customers in San Antonio and portions of seven adjoining counties. Our customers’ combined energy bills rank among the lowest of the nation’s 20 largest cities – while generating $9.6 billion in revenue for the City of San Antonio for 80 years. As a trusted and strong community partner, we continuously focus on job creation, economic development, and educational investment. We are powered by our skilled workforce, whose commitment to the community is demonstrated through our employees’ volunteerism in giving back to our city and programs aimed at bringing value to our customers. CPS Energy is among the top public power wind energy buyers in the nation and number one in Texas for solar generation.
About LG Energy Solution
LG Energy Solution (KRX: 373220), a split-off from LG Chem, is a leading global manufacturer of lithium-ion batteries for electric vehicles, mobility, IT, and energy storage systems. With 30 years of experience in revolutionary battery technology and extensive research and development (R&D), the company is the top battery-related patent holder in the world with over 69,600 patents. Its robust global network, which spans North America, Europe, and Asia, includes battery manufacturing facilities established through joint ventures with major automakers. Committed to building sustainable battery ecosystem, LG Energy Solution aims to achieve carbon neutrality across its value chain by 2050, while embodying the value of shared growth and promoting diverse and inclusive corporate culture. To learn more about LG Energy Solution’s ideas and innovations, visit https://news.lgensol.com.
About LG Energy Solution Vertech
LG Energy Solution Vertech is the U.S. energy storage division of LG Energy Solution. The company delivers integrated, reliable, and bankable grid-scale energy storage systems supported by in-house services and software.
In 2022, LG Energy Solution purchased NEC Energy Solutions and established LG Energy Solution Vertech Inc. By vertically integrating the battery manufacturer and integrator, LG Energy Solution Vertech offers customers a uniquely streamlined experience and comprehensive support through a system-level contracting process. Via a single contract, the company provides systems, warranties, services, and software. The combination of excellence in technology coupled with nearly two decades of energy storage integration makes LG Energy Solution Vertech a leader in the global energy storage market.
Media Contacts:
OCI Energy – Leslie Garza-Wright, 210-612-4978, [email protected]
CPS Energy – Dana Sotoodeh, 210-353-2344, [email protected]
LG Energy Solution Vertech – Licole Sheridan, [email protected]
LG Energy Solution – [email protected]
SOURCE OCI Energy