Solar power company Principal Solar announced that is has selected Alpha Energy as its engineering, procurement and construction (EPC) partner to help develop the Principal Sunrise IV plant in Cumberland County, North Carolina.

Construction on the project begins in May and is expected to be completed by the end of 2015.

Michael Gorton, CEO of PSI, said: “Alpha is a world leader in large-scale construction and solar projects. Their proven expertise and demonstrated commitment to the success of the project are an important asset as we bring this project on-line.”

With a generation capacity of 100MW, the installation will be the largest solar facility established east of the Rocky Mountains. The plant has been tied to a 15-year power purchase agreement (PPA) with Duke Energy.

Drew Zogby, president and CEO of Alpha Technologies Services, said: “We are pleased to be working with PSI, a unique and growing solar company with high-quality projects. We look forward to developing this important project to meet demand for solar energy in North Carolina.”