ISO New England is the independent, nonprofit regional transmission organization responsible for the reliable operation of New England's bulk power system. Established in 1997 and headquartered in Holyoke, Massachusetts, the organization oversees the electric grid across all six New England states, serving 14 million residents. ISO New England administers competitive wholesale electricity markets, ensuring fair and efficient energy trading while maintaining grid reliability during the region's transition to clean energy sources.
The corporation operates under the authority of the Federal Energy Regulatory Commission (FERC) as a Regional Transmission Organization (RTO). ISO New England manages the complex balance between electricity supply and demand, operates wholesale electricity markets for energy, capacity, and ancillary services, and conducts comprehensive power system planning to meet future reliability needs. The organization is at the forefront of integrating renewable resources, including wind, solar, and energy storage technologies, into the regional power system while maintaining the high reliability standards essential for public safety and economic stability.