About Us Great River Hydro (GRH) is New England’s largest producer of conventional hydropower. We own and operate 13 generating stations and 3 storage-only reservoirs on the Connecticut and Deerfield Rivers. Today, our unique capabilities and operational flexibility play a vital role in our region’s transition to a low carbon, reliable and secure energy future. At GRH, our most important asset is our people. The GRH team includes over 100 highly skilled professionals who manage, operate, and maintain our facilities. Safety is our highest priority. Our GRH team members are committed to the safety and well-being of each other, our communities and our environment, every single day. Our safety culture drives our successful delivery of reliable, clean energy.