Willdan wins $31M cogeneration contract from Encina Wastewater

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Willdan Selected by Encina Wastewater Authority for $31 Million Cogeneration Project

July 15, 2026 3:27 PM EDT

ANAHEIM, Calif.--(BUSINESS WIRE)-- Willdan Group, Inc. (NASDAQ: WLDN) announced today that they have been selected by Encina Wastewater Authority (Encina) for a $31 million design-build contract to deliver a renewable cogeneration project. This project will use renewable biogas generated from wastewater treatment to produce on-site electricity and support resilient plant operations. This high-efficiency renewable energy system will include a new biogas conditioning system, low-emission generators, emissions reduction upgrades to existing generators, and a battery energy storage system with a microgrid controller.

This project allows us to provide continuous service to the... More