New Opportunities: The New York ISO named Mary McGarvey its vice president and chief financial officer, effective March 1.
Pacific Gas and Electric Co. announced that its board of directors elected Barbara Barcon as vice president, finance and chief financial officer, effective March 24. Greg Kiraly also was elected vice president, maintenance and construction in the utility’s energy delivery organization, effective April 14.
Constellation Energy elevated Michael J. Wallace to the position of vice chairman, concentrating on nuclear strategy. Henry B. “Brew” Barron was appointed president, chief executive officer and chief nuclear offer of Constellation Energy Nuclear Group (CENG). Barron assumed the duties of Mike Heffley, CENG’s senior vice president and chief nuclear officer, who retired May 1.
MidAmerican Energy Holdings Co. announced that Gregory E. Abel became the chief executive officer on April 16, succeeding David Sokol who remains chairman. Abel will continue in his current roles as president of MidAmerican Energy Holdings, chairman and CEO of PacifiCorp, chief executive officer of CE Electric UK, and chief executive of MidAmerican Energy Co.