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.

DTE names Gerard Anderson CEO; Arthur Meyer ascends to general counsel at Dayton Power & Light and DPL; Exelon names new executives, including Calvin Butler, s.v.p. of human resources and Susan Weiss, v.p. of commercial operations; Deloitte Center for Energy Solutions appoints former FERC Commissioner Branko Terzic executive director, and adds former FERC Commissioner William Hederman to its energy and resources group; other executive changes at OGE Energy, Ameren, Chesapeake Utilities, El Paso Electric, Otter Tail, ISO New England, EPRI, AGA, NIST, and more.

MidAmerican Energy Holdings announced the appointment of Michael Dunn as president of PacifiCorp Energy. NiSource Inc. announced that Jimmy D. Staton, executive v.p. and group CEO of NiSource’s gas distribution business, also will assume the added responsibility of leading the NiSource Indiana utilities, including Northern Indiana Public Service. Vectren chose Carl L. Chapman to serve as CEO. And others.

The New York Independent System Operator named Thomas J. Rumsey as v.p. of external affairs. NV Energy promoted Robert Stewart to senior v.p. of customer relations. Calpine Corp. appointed Todd Thornton as treasurer and he now holds the title of v.p.-finance & treasurer. The California ISO appointed Keith Casey, Ph.D., as v.p. market and infrastructure development. And others...

NiSource named M. Carol Fox as president of Columbia Gas of Pennsylvania (CPA) and Columbia Gas of Maryland (CMD). TECO Energy promoted Gordon L. Gillette to president for both Tampa Electric and Peoples Gas. American Transmission elected Michael Hofbauer v.p., CFO and treasurer from interim CFO. Consolidated Edison promoted Robert Muccilo to v.p. and controller. And others...