Designer and builder of stand-alone and grid-connected electric power systems for industrial, commercial and governmental customers. The company's generating systems convert energy derived from wind, sunlight, oil, natural gas, diesel and bio-fuels into electricity, using power generation technologies integrated with custom controls and power electronics. It sells its systems to grid-connected customers and to customers who need power solutions for remote locations or environmentally benign alternatives to centrally distributed electricity. It also offers hydrogen generators to domestic and international customers for industrial, utility and research applications. It also develops additional technologies and products for the distributed energy market, including systems that provide backup power and energy storage, hydrogen generators that produce hydrogen for fuel cell vehicles, power network architectures that link diverse power generating sources, and advanced wind turbine generators.