Placeholder image

About | Management

Photo of John Benevente
General Manager,
Consolidated Utility Services

Mr. Benavente assumed the position of General Manager of the Guam Power Authority in October of 2014 with the retirement of Mr. Joaquin C. Flores, P.E. He was appointed Consolidated Utility Services General Manager in June 2005 to oversee the Guam Power Authority (GPA) and the Guam Waterworks Authority (GWA). GPA provides the community of Guam with energy services and GWA provides the civilian community with water and wastewater services.

Mr. Benavente has over 35 years of technical, engineering and management experience in the power and water related field both in the government and private sectors. He previously served as the General Manager of Guam Power Authority (GPA) for nine years. Mr. Benavente is experienced in management, operations and maintenance in both utilities and his experience includes work on negotiating a Customer Supplier Agreement with the U.S. Military, negotiating Energy Conversion Agreements with private power providers, and is further experienced in strategic planning, succession planning, rate proceedings, legislative hearings, bond credit rating presentations, bond issuance, environmental permitting, power plant construction, transmission and distribution construction, energy management system, budgeting, collections, typhoon and earthquake recoveries. Mr. Benavente holds a Master of Science in Engineering Management degree from the University of Missouri (Rolla) and a Bachelor of Science Mechanical Engineering degree from the University of Dayton. He is also a registered Professional Mechanical Engineer in Guam.



Photo of Joaquin C. Flores, P.E.

Assistant General
Manager of Operations,
Guam Power Authority

Ms. Mafnas is a Guam registered professional electrical engineer with more than 20 years of electric utility experience. She is a local Guamanian (Chamorro) who received her secondary education from the Academy of Our Lady of Guam. She received her Bachelor of Science degree in Electrical Engineering in 1991 from the University of Hawaii at Manoa. In September 2010, Ms. Mafnas assumed her present position as the Acting Assistant General Manager of Operations for GPA where she manages the operations of Generation, Transmission & Distribution, SCADA/Dispatching, Engineering, and auxiliary divisions in support of these operations.

She held the position of Manager of Operations Division before being named the Assistant General Manager of Operations in 2011. Melinda C. Mafnas is the first woman to serve as Assistant General Manager of Operations for the Guam Power Authority.