For more than two decades, Renewable Energy Systems (RES) has been developing, constructing, owning and operating wind farms. Today, we are a global success story in the fastest growing energy sector.

Our main office in the United States is in Austin, Texas. We have regional offices located in Portland, Oregon and Minneapolis, Minnesota. Our Canadian projects are managed out of our office in Montreal, Quebec. 

RES was founded in 1981 and is part of Sir Robert McAlpine's global group of engineering and construction companies. Sir Robert McAlpine Ltd., is a privately held UK company that has been in business since 1869.

We now have over 130 full time professionals located throughout North America working on a project portfolio of over 5,000MW and dedicated to securing a sustainable future for us all.