St. Margaret's Bay Hydroelectric System

The St. Margaret's Bay Hydroelectric System consists of three hydroelectric power plants (two collocated in the same building) and the related lake, dam, and river systems driving them. The system is situated within both Lunenburg County and the Halifax Regional Municipality, beginning approximately 2.5 km (1.6 mi) east of the Head of Saint Margarets Bay and approximately 10 km (6.2 mi) southwest of Hammonds Plains. The system is part of the East Indian River watershed and drains 271 square kilometres (105 sq mi), with water storage provided in Lunenburg County by Mill Lake, Coon Pond, Sandy Lake, Wrights Lake, Big Indian Lake, Five Mile Lake and, at times, an overflow from Pockwock Lake in the Halifax Regional Municipality. The system is owned and operated by Nova Scotia Power Inc. System assets associated with the St. Margaret's Bay Hydro System, which represents six generating units with an operating capacity of 10.2 MW, include Beeswanger Dam, Five Mile Dam and Wing Dam 4, Mack Lake Main Dam, Five Mile Wing Dams 1,2 and 3, Big Indian Dam, Wright's Lake Dam, Coon Pond Dam, Sandy Lake Dam, Sandy Lake and Coon Pond Pipeline, Mill Lake Plant and Surge Tank, Little Indian Crossover, Mill Lake Dam, Tidewater Plant and Surge Tank, Tidewater Pipeline, as well as associated headponds. Outflow is into St. Margarets Bay, Nova Scotia between Head of St. Margarets Bay and Tantallon. Com

Power station data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).