Terra-Gen Power, LLC ("Terra-Gen"), a leading renewable energy company, announced today it has hired James Pagano to act as its Chief Executive Officer. Terra-Gen, owned by affiliates of ArcLight Capital Partners, LLC, owns interests in twenty geothermal, wind and solar generating plants located through-out the United States with a combined installed capacity of 824 megawatts, acquired from Caithness Energy on December 7, 2007.

Boston, MA (August 2, 2007) -- Caithness Energy, LLC ("Caithness") and ArcLight Capital Partners, LLC ("ArcLight"), announced that they have reached an agreement whereby an affiliate of ArcLight will acquire interests in eighteen geothermal, wind and solar renewable power generation projects (the "Projects") with an installed capacity of 824 megawatts from Caithness through a series of transactions.