CON EDISON renamed two unregulated subsidiaries: ProMark Energy Inc. (now Con Edison Solutions Inc.) and Gramercy Development Inc. (now Con Edison Development Inc.). Con Edison Solutions will provide electricity, natural gas and oil to commercial and residential customers in the Northeast. Con Edison Development will invest in energy and nonenergy business in the U.S. and overseas.
AES Corp. has begun construction of an 830-megawatt, gas-fired combined-cycle power plant in San Nicolás, Argentina. Nichimen Corp. and Mitsubishi Heavy Industries will build the $440-
million AES Parana plant, expected to go on line in 2000. Total Corp., will supply part of the fuel.