Definitions for "Independent Electricity System Operator"
A not-for-profit corporation responsible for directing the operation and maintaining the reliability of the electric grid in Ontario, Canada
One of Ontario Hydro's successor companies, formerly known as the Independent Electricity Market Operator (IMO), operates the electricity spot market and manages the electricity system. In some other jurisdictions, these two functions are split between a market operator and a system operator.
Responsible for ensuring system reliability and the detailed design and implementation of the spot market. The IESO acts as a system controller, forecasting how much electricity will be needed and telling generators how much power they can send in, and when, to the province's transmission lines. The IESO also acts as the settlement agent for the wholesale spot market, collecting bills from distributors and direct consumers and paying generators and transmitters. Visit the web site...