Renewable Energy & Engineering for a Better Tomorrow

Tollhouse Energy Company has been at the forefront of hydropower system design, development, construction and operation for over 30 years.

About Us


Experience in Hydropower

The Tollhouse Energy group of companies offers the efficiency, responsiveness and personal attention of a design build construction and engineering firm comprised of a diversified group of engineers and managers. We specialize in the investigation and acquisition of new projects, feasibility studies, environmental permitting and licensing, as well as power sales negotiations. With an extensive background in the hydropower industry, together with decades of experience in the heavy civil, mechanical and general contracting arena, Tollhouse Energy Company is prepared for any challenge. 


Our Company

Over the past 30+ years, we have gained experience in all project phases: licensing, design, specifications, bidding, inspections, construction, start-up, and operations. In addition, we have also become an integral resource in the licensing and re-licensing process, which address a growing market of 35 to 45 year-old power plants that will be reapplying for permits in the coming decade.  It is the company philosophy to assemble a project specific team of experts to fulfill the requirements as demanded by each project.   

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Tollhouse Energy Company

(360) 738-9999


Monday - Friday: 8am - 5pm

Saturday - Sunday: Closed