Limestone Generating Station is a coal-fired power plant located in Ontario, Canada. It is operated by Ontario Power Generation and has a total generating capacity of approximately 2,000 megawatts. The facility plays a significant role in providing electricity to the region, contributing to the overall energy supply. The plant began operations in 1984 and has undergone various upgrades to improve efficiency and reduce emissions. Limestone Generating Station is situated near the shores of Lake Superior, allowing for easy access to water for cooling purposes. It is an important part of Ontario's energy infrastructure.