Barney Rush

Gradient Resources, Inc. develops renewable power projects. It engages in the exploration and development of geothermal resources as well as the construction, ownership and operation of geothermal power plants. The firm’s core business is the development, design, construction, and operation of clean, renewable electric power generation projects and the sale of base load renewable geothermal power to utilities located in the western United States. It owns geothermal drilling rigs, complete well-cementing operations and proprietary geothermal exploration and development technology. The company was founded in 1991 by Stephen Miles Munson and is headquartered in Reno, NV.

GenOn Energy Holdings, Inc. provides electricity generation and distribution, management of gas assets, fuel procurement, and marketing of energy and energy-linked commodities. The company was founded on January 19, 2001 and is headquartered in Princeton, NJ.

PPL UK Distribution Holdings Ltd. provides electricity distribution services. The company generates electricity and offers meter reading, electrical contracting, property management, and helicopter surveillance services. It was founded in 1999 and is located in Bristol, the United Kingdom.

Bewag AG & Co. KG distributed electricity and provided heating services throughout Germany. With electricity customers and district heating customers, the utility controlled Berlin's power market and its heating market. It operated electricity grid and had a generating capacity primarily from combined heat and power plants. It also traded wholesale electricity and had telecommunications, water and gas utility interests. The company was headquartered in Berlin, Germany

H2Gen Innovations, Inc. of Alexandria, Virginia designs, manufactures and markets cost efficient on-site hydrogen generators and gas purification plants. Its products competitively serve the existing industrial gases and chemical markets and are a key enabling technology for the emerging needs of hydrogen transportation. The technology was initially developed at an Arlington, Va., consulting firm, Directed Technologies, Inc. (DTI) by H2Gen's founders, Dr. Lomax and Dr. Thomas, beginning in 1996. Their efforts led to the spin-out and creation of the Company in February of 2001.

ISO New England, Inc. generates and distributes electricity. The company was founded in 1997 and is headquartered in Holyoke, MA.

Denham Capital Management LP (Denham Capital) is a private equity firm founded in 2004 by Stuart Denham Porter, Riaz Qamar Siddiqi and Carl John Tricoli. The firm is headquartered in Boston, Massachusetts.