IEEE Power & Energy Society
The IEEE Power & Energy Society (IEEE PES), formerly the IEEE Power Engineering Society, is the oldest society of the Institute of Electrical and Electronics Engineers (IEEE) focused on the scientific and engineering knowledge about electric power and energy. == PES Technical Council == On 14 January 2016, the IEEE PES Governing Board approved the PES Technical Committee reorganization.
Source: Wikipedia — IEEE Power & Energy Society (CC BY-SA 4.0)