E. Hunter Harrison

Dynegy names new president, adds three former NRG execs to corporate staff; Pace Global Energy Services announces new v.p. in the renewable energy development group; Mid Atlantic Conference of Regulatory Utilities Commissioners elects president; plus senior staff changes at Sempra Energy, Southern Company, Constellation Energy Nuclear Group, and others.

Dynegy appoints interim president and CEO; Navigant adds new energy practice director; plus senior staff changes at Emera, ConEdison, Energyplus Holdings, and others.

Entergy Corp. names vice president of federal governmental affairs; Black Hills fills two executive positions; plus senior staff changes at Alliant Energy, First Wind, UniSource Energy, Consumers Energy, Midwest ISO, and others.