Fagen Inc. of Granite Falls, Minn., has reached an agreement with wholesale energy supplier Southern Power for engineering, procurement and construction (EPC) of the Nacogdoches Generating Facility in Sacul, Texas. The 100-megawatt facility is the largest single-boiler biomass project in the U.S. Southern Power, the subsidiary of Southern Co., which acquires, builds, manages and owns wholesale generation assets, acquired the project from American Renewables LLC in October and is moving ahead with construction. The project is expected to be completed in the summer of 2012. Zachry Engineering Corp. has been contracted by Fagen to be the design engineer. Fagen's partner for the engineering, supply, erection and commissioning of the biomass boiler and distributed control system is Metso Power, Charlotte, N.C. Mitsubishi Power Systems Americas of Lake Mary, Fla., a subsidiary of Mitsubishi Heavy Industries, is Fagen's partner for the steam turbine. Fagen's partner, Wolf Material Handling Systems of Elk River, Minn., is responsible for the design, engineering, supply and commissioning of the biomass fuel handling system.