Business Wire·Jul 15, 2026, 3:27 PM ET

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

Willdan Group, Inc. was selected by Encina Wastewater Authority for a $31 million design-build contract.
The project involves delivering a renewable cogeneration system to generate on-site electricity using biogas from wastewater treatment.
System components include a new biogas conditioning system, low-emission generators, emissions reduction upgrades, & a battery energy storage system with a microgrid controller.
Encina aims to achieve 100% of its current electrical needs from renewable biogas & ensure uninterrupted operations during grid disruptions.
The initiative supports permit compliance by significantly reducing emissions for the public agency serving over 379,000 residents in northwestern San Diego County.
Encina is owned by six public agencies governed by a Joint Powers Agreement to cooperatively fund high-tech facilities.
Willdan, a technical services company, provides energy & infrastructure solutions to utilities, governments, & commercial customers in the U.S. & Canada.
The press release includes forward-looking statements regarding potential material differences between projected & actual results.