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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...

Con Edison named Craig S. Ivey as president. American Electric Power (AEP) promoted Brian X. Tierney to executive v.p. and CFO. FirstEnergy named Tony C. Banks as v.p. product and business development for FirstEnergy Solutions. Exelon named Douglas J. Brown as senior v.p. and chief investment officer following a 26-year career with Chrysler. And more...

=El Paso Electric promoted George A. Williams to senior v.p. and COO. Idaho Power promoted Darrel Anderson, IDACORP and Idaho Power’s senior v.p. of administrative services and CFO, to executive v.p. of administrative services and CFO. ConEdison Solutions hired Jim Mueller as v.p. of customer operations. Exelon Corp. appointed John Stough as v.p. and chief development officer for Exelon Transmission Co., a new venture on transmission lines. 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...