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Energy Vault Begins Construction of 150 MW SOSA Energy Center in Texas' ERCOT Market

Energy Vault Holdings, Inc. (NRGV) | Jan 5th, 2026

By Zane Campbell

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Energy Vault initiated the construction of the SOSA Energy Center, a 150 MW/300 MWh battery energy storage system in Texas. This strategic move positions the company to capitalize on the growing demand for renewable energy solutions and grid stability support in the ERCOT market, known for its dynamic energy landscape and high renewable penetration rates. The project's inception represents a pivotal step in Energy Vault's journey towards enhancing its market footprint and solidifying its role as a key player in sustainable energy infrastructure development.

Construction Milestone

The commencement of construction at the SOSA Energy Center signifies a substantial advancement in Energy Vault's strategy to expand its asset portfolio, bolstering its capacity to deploy energy storage solutions and capitalize on the accelerating shift towards clean energy alternatives.

Cash and Liquidity Boost

The notable 65% increase in cash and liquidity during Q4 2025 surpassing the projected ranges not only enhances Energy Vault's financial flexibility but also reflects its efficient capital allocation and operational management, positioning the company favorably for future growth initiatives and value creation.

Market Position

By strategically siting the SOSA Energy Center in the ERCOT North market, Energy Vault has strategically positioned itself to leverage the region's unique energy dynamics, including high renewable energy integration levels and grid support needs. This deliberate placement underscores the company's focus on addressing critical energy infrastructure challenges while maximizing revenue potential and long-term sustainability.

  • The SOSA Energy Center project is forecasted to generate an estimated $350 million in total revenues, underpinned by stable cash flows derived from grid services and energy trading activities. This revenue projection highlights the project's financial viability and contributes significantly to Energy Vault's top line growth trajectory, reinforcing its reputation as a revenue-generating entity with sustainable business practices.

Energy Vault's initiation of the SOSA Energy Center construction marks a strategic advancement in the company's pursuit of sustainable energy leadership and revenue diversification. The project not only exemplifies Energy Vault's commitment to environmental stewardship and technological innovation but also underscores its resilience in navigating complex energy markets and unlocking value through strategic asset deployment and operational excellence. With the SOSA Energy Center poised to solidify Energy Vault's position in the energy storage sector and drive incremental revenue streams, the company is well-positioned to capitalize on evolving market opportunities and emerge as a frontrunner in the sustainable energy landscape.