Tetra Tech, Inc. (NASDAQ: TTEK) has been awarded a single-award contract by California's Encina Wastewater Authority (EWA) to deliver digital automation and operational technology network solutions for the Cogeneration Low-Emission Augmentation and Retrofit project, known as CLEAR.

Under the contract, Tetra Tech will integrate new microgrid control and gas conditioning systems into the authority's existing digital infrastructure. The scope of work includes oversight of a design-build team and integration across oxidation catalyst emissions controls, biological trickling filters, a 1-megawatt linear generator facility, a digester biogas conditioning facility, and a 1.5 megawatt-hour battery energy storage system.

Tetra Tech has served as EWA's operational technology and systems integrator since 2017, according to the company's press release. CEO Roger Argus said the work reflects "the importance of secure, optimized OT systems for wastewater treatment" and that the company looks forward to "providing unified approaches for secure SCADA and OT systems to deliver a reliable, resilient solution to managing energy resources."

Tetra Tech is based in Pasadena, California, and employs more than 25,000 people.