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Southern Company rearranges executive suites upon Ratcliffe’s retirement; Constellation hires new chief marketing officer; TECO names Ramil CEO; plus executive announcements at Black Hills Corp., Cleco, Tres Amigas, Chesapeake Utilities, Exelon, Vectren, and more.

Duke names chief communications officer; PG&E appoints integrated DSM vice president; Entergy promotes four execs; Puget Sound Energy’s Kim Harris to replace Steve Reynolds; Richard Riazzi becomes CEO of Duquesne Light; Fred Butler joins Opower advisory board; Tom Kuhn to Control4; plus personnel changes at California ISO, AEP, Chesapeake Utilities, Southern Company, Exelon and others.

Exelon named Kathleen Barrón vice president of federal regulatory affairs and policy. American Electric Power (AEP) promoted A. Wade Smith to president and COO for AEP Texas. El Paso Electric promoted Mary E. Kipp to serve as senior v.p., general counsel and chief compliance officer. Chesapeake Utilities promoted Elaine B. Bittner to v.p. of strategic development, and she retains the position as v.p. of natural gas pipeline subsidiary, Eastern Shore Natural Gas. And others.

Constellation promotes Maria Korsnick to Chief Nuclear Officer; Chip Pardee becomes Exelon’s COO; plus executive changes at American Transmission, Entergy, Idaho Power, New Jersey Resources, Northwestern Energy, Piedmont Natural Gas, Pinnacle West, Spectra Energy, TVA, Williams, EPRI and more...

SueDeen Kelly joins Patton Boggs as partner; Chairman Pat Wood III elected to First Wind board; CMS names Mamatha Chamarthi as the company’s first CIO; Executive changes at Centerpoint, Constellation, Duke, FirstEnergy, TransCanada, Tres Amigas, UniSource; Black & Veatch, Navigant; EPRI, NARUC, New York ISO, and more.

Duke Energy named Catherine Heigel to the new position of president of its South Carolina service region. Exelon promoted David C. Brown to senior v.p., federal government affairs and public policy, leading the company’s Washington, D.C., office. CMS Energy promoted John G. Russell to CMS Energy and Consumers Energy president and CEO from president and COO of Consumers Energy. And others.

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.

FirstEnergy announced that James G. Garanich is named v.p., tax, replacing the retired Gene Sitarz. Garanich was a tax partner with Ernst & Young. Ty R. Pine was hired as state governmental affairs manager for Ohio. Duke Energy Generation Services appointed Tony Dorazio as senior v.p. for wind development. He helped launch London-based BP Alternative Energy’s wind power business. And more...

Iberdrola USA announced that Kevin Walker joined the company as chief operating officer. Mark Lynch is named president of subsidiaries New York State Electric & Gas and Rochester Gas and Electric. Alliant Energy promoted Patricia Kampling to executive v.p., CFO and treasurer. John Larson is promoted to senior v.p.-generation, with more responsibilities involving generation-related duties. And more...

Xcel Energy announced that David L. Eves is the new president and CEO of Public Service Co. of Colorado (PSCo), a subsidiary. Riley Hill succeeded Eves as president and CEO of SPS. Reliant Energy appointed Tom Gros as senior v.p. of sales. CH Energy Group promoted James P. Laurito to executive v.p. of the holding company and its subsidiary, Central Hudson Gas & Electric. Oncor Electric Delivery promoted Charles Jenkins to COO. And more...