Mr Zebula was previously senior vice president of fuel, emissions and logistics for American Electric Power (AEP). In his new position, Mr Zebula will be responsible for AEP’s treasury and investor relations activities. He will report to Holly Koeppel, executive vice president and CFO.

Timothy Light, currently vice president of power projects and asset investments in AEP’s commercial operations group, will replace Mr Zebula as senior vice president of fuel, emissions and logistics.

Mr Light will report to Nick Akins, executive vice president of generation, and will be responsible for all fuel purchases and transportation logistics to AEP power plants; emissions marketing and position management; and purchasing of bulk commodities needed for post-combustion emission controls. His promotion is effective September 1, 2008.