New York ISO (NYISO)

ESAI provides fundamentals-based insights to help generation owners, investors, developers, and traders navigate the NYISO power markets with confidence and clarity. The New York Independent System Operator (NYISO) operates New York State’s bulk electricity grid, administers the state’s wholesale electricity markets, and provides comprehensive reliability planning for the state’s bulk electricity system. NYISO is responsible for managing the reliable flow of electricity across New York State’s high-voltage transmission network, ensuring that supply meets demand in real-time. In addition to operating the state’s bulk power grid, NYISO oversees the administration of competitive wholesale electricity markets, where electricity is bought and sold by generators, utilities, and other market participants. The organization plays a critical role in long-term reliability planning, conducting detailed system assessments and forecasting future energy needs to support infrastructure development and grid modernization. Since its inception in 1999, NYISO has worked to maintain system reliability, enhance market efficiency, and support the integration of renewable energy and emerging technologies. NYISO is headquartered in Rensselaer, NY.