New York Independent System Operator a not-for-profit corporation. repsonsibilities include reliable operation of New York's bulk electricity grid, fair and open administrative of competitive wholesale elctricity markets...
Independent System Operator/Regional Transmission Organization Council comprised of 10 Independent System Operators (ISOs) and Regional Transmission Organizations (RTOs) in North America
Tennessee Valley Authority Federal Government Corporation
Electric Power Research Institute electric power industry’s international research and development organization