Tetra Tech Joint Venture Awarded $30 Million Contract

Tetra Tech, Inc.

announced today that its Tetra Tech Canada Construction entity is part of a joint venture with ACCIONA Infrastructures Canada Inc. that has been awarded a $30 million contract to provide turn-key construction services for the Lamèque Wind Power Project in the province of New Brunswick, Canada. Tetra Tech's client for this project is ACCIONA Energy North America. The 45-megawatt (

) wind farm comprises thirty (30) 1.5-MW ACCIONA Windpower turbines and is expected to be commissioned in early 2011. Tetra Tech will provide construction management services for the access roads, foundations, turbine transportation and erection, electrical collection system and substation facilities, and the operations and maintenance building.