Willdan to Provide Engineering for 643 MW in Energy Infrastructure Projects

The project portfolio includes a 75 MW battery energy storage system in Texas.

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ANAHEIM, Calif.--(BUSINESS WIRE)-- Willdan Group, Inc. (NASDAQ: WLDN) announced today that it has received limited notices to proceed for new substation and battery energy storage system (BESS) projects that add 643 MW in capacity.

The limited notices to proceed include engineering and procurement for the following projects:

• Transformer Substation for a 100 MW Datacenter in CA
• 75 MW BESS in TX
• Transformer Substation for 300 MW of Renewables in TX
• Transformer Substation for 88 MW of Renewables in IL
• Transformer Substation for 80 MW of Renewables in IL

“These awards reflect the expanding investment in energy infrastructure across the country,” said Mike Bieber, Willdan’s CEO. “Willdan’s growing depth of expertise in high voltage design and construction management is in high demand as the information economy seeks solutions to grid constraints.”

About Willdan

Willdan is a technical services company focused on energy and infrastructure solutions. These solutions include energy planning and analytics, consulting, software, public finance, engineering, and program implementation. Willdan serves utilities, state and local governments, and commercial customers in the United States and Canada. For additional information, visit Willdan's website at www.willdan.com or follow Willdan on LinkedIn and Facebook.

Forward-Looking Statements

Statements in this press release that are not purely historical are forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. It is important to note that Willdan’s actual results could differ materially from those in any such forward-looking statements. Factors that could cause actual results to differ materially include, but are not limited to, the risk factors listed from time to time in Willdan’s reports filed with the Securities and Exchange Commission, including, but not limited to, the Annual Report on Form 10-K filed for the year ended January 2, 2026. Willdan cautions investors not to place undue reliance on the forward-looking statements contained in this press release. Willdan disclaims any obligation to, and does not undertake to, update or revise any forward-looking statements in this press release.

View source version on businesswire.com: https://www.businesswire.com/news/home/20261105267176/en/

Al Kaschalk
Vice President
310-922-5643
akaschalk@willdan.com

Source: Willdan Group, Inc.

Key Terms

battery energy storage system (bess) technical

A battery energy storage system (BESS) is a large-scale setup that stores electricity in rechargeable batteries and releases it when needed, like a giant rechargeable battery for the power grid. It matters to investors because it helps smooth out supply and demand, capture surplus renewable power, provide backup and short-term grid services that can earn recurring revenue, and can boost the value of generation and transmission assets as demand for flexible energy grows.