CNG Energy Service Corp. appointed Jeff Johnson senior vice president of integrated energy management. Jerome H. Dortmans was appointed vice president of financial trading and risk management.
Alan Wells was named senior vice president of finance and CFO for MidAmerican Energy Holdings Co. and its subsidiary MidAmerican Energy. Wells replaces Phil Lindner who announced his retirement. Wells also will continue to serve as president of the company's nonutility subsidiaries.
Fred D. Hafer assumed office as chairman of the Pennsylvania Electric Association.