Unicom promoted Robert J. Manning to president of competitive operations; Pamela B. Strobel, executive vice president and general counsel; Frank Clark, senior vice president of corporate and governmental affairs; Ruth Ann Gillis, senior vice president of competitive operations; and Dave Helwig senior vice president of nuclear services in the Nuclear Generation Group.

San Diego Gas & Electric selected a partnership of Dynegy Inc. of Houston and NRG Energy Inc. of Minneapolis as the winning bidder to acquire the 951 MW Encina power plant in Carlsbad, Calif. The Dynegy/NRG partnership agreed to pay $356 million for the plant and 17 peaking turbines, which represents a premium of 3.8 times book value for the assets. The Encina plant sale completes the sale of SDG&E`s fossil-fired generators.

Houston Industries Wholesale Energy Group and the city of Casa Grande, Ariz., have agreed to develop a 500 MW, gas-fired merchant power plant. Negotiations involve a 40-year sale/lease-back arrangement. The $263 million, Desert Basin Generating plant would provide power for sale in the wholesale market. Houston Industries` energy trading and marketing unit is expected to supply fuel and market output.

An international consortium of CMS Energy, Birla Group of India, Siemens Project Ventures, Unocal and Woodside Petroleum was selected to build a 1,886 MW power plant and 2.5 million tons-per-year liquefied natural gas (LNG) terminal in Ennore, Tamil Nadu, India.