<div id="readability-page-1"><article>ANAHEIM, Calif.--(BUSINESS WIRE)--Willdan Group, Inc. (NASDAQ: WLDN) announced today that it has released an independent study for Amazon, evaluating rate design to manage large electric load growth. The study examines how new large energy users, such as data centers, affect utilities and their customers, especially with growing demand from artificial intelligence (AI). The study provides practical guidance for regulators and energy providers as they plan for continued growth.Energy + Environmental Economics (E3), Willdan’s wholly owned subsidiary, conducted this study and provided several key findings:<ul><li>The Amazon data centers included in the study generate sufficient or surplus revenues relative to the utility’s cost of service, demonstrating other ratepayers are not subsidizing the data centers’ costs.</li><li>Given the rapid and dynamic nature of load growth, the paper identifies tools that utilities and their regulators can use to maintain these equitable outcomes and prevent future cross-subsidization.</li><li>New rate design tools and power supply approaches are increasingly being used to manage large load growth at scale, such as self-supply of generation and signing long-term contracts for emerging clean energy technologies.</li></ul>“We appreciate this opportunity to support Amazon and other large energy customers as they navigate an energy landscape increasingly shaped by AI, digitalization, transportation electrification, and reshoring of manufacturing,” said Mike Bieber, Willdan’s CEO. “This study provides critical guidance for utilities seeking to manage rapid load growth and economic development while keeping rates affordable.”E3’s analysis builds on decades of experience advising utilities, policymakers, and large energy consumers on electricity system planning, rate design, and the integration of clean energy. The full study, including E3’s findings and recommendations, can be found here.About WilldanWilldan is a nationwide provider of professional, technical, and consulting services to utilities, government agencies, and private industry. Willdan’s service offerings span a broad set of complementary disciplines that include electric grid solutions, energy efficiency and sustainability, energy policy planning and advisory, engineering and planning, and municipal financial consulting. For additional information, visit Willdan's website at www.willdan.com or follow Willdan on LinkedIn and Facebook.Forward-Looking StatementsStatements 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 December 27, 2024. 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.<img src="https://imageproxy.pbkrs.com/https://cts.businesswire.com/ct/CT/query-ZGlzdHJvPW54JmlkPWJ3bmV3cyZsYW5nPWVuJnNpZD1hY3FyOCZzdHk9MjAyNTEyMTYwNjIzOTNyMQ?x-oss-process=image/auto-orient,1/interlace,1/resize,w_1440,h_1440/quality,q_95/format,jpg" original-src="https://imageproxy.pbkrs.com/https://cts.businesswire.com/ct/CT/query-ZGlzdHJvPW54JmlkPWJ3bmV3cyZsYW5nPWVuJnNpZD1hY3FyOCZzdHk9MjAyNTEyMTYwNjIzOTNyMQ"/>View source version on businesswire.com: https://www.businesswire.com/news/home/20251216062393/en/Al Kaschalk Vice President 310-922-5643 akaschalk@willdan.comSource: Willdan Group, Inc.</article></div>

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Willdan Group, Inc. (NASDAQ: WLDN) released an independent study for Amazon on rate design to manage large electric load growth. The study, conducted by Willdan's subsidiary E3, examines the impact of new large energy users like data centers on utilities and customers, especially with AI-driven demand. Key findings include that Amazon data centers generate sufficient revenues and new rate design tools can prevent cross-subsidization. The study offers guidance for utilities and regulators on managing rapid load growth and integrating clean energy.

- Willdan Group, Inc. released a study for Amazon assessing rate design to manage substantial electric load growth from new energy users, particularly data centers.  
- The study reports that Amazon’s data centers generate sufficient revenues, indicating no cross-subsidization with other ratepayers.  
- It offers utilities and regulators tools to sustainably manage load growth and economic development amid increasing demand driven by AI and other technologies.

E3, a Willdan Company, Publishes Study for Amazon on Rate Design to Manage Large Electric Load Growth | WLDN Stock News