Question: The largest electricity producer in the province containing Headingly is what?

full_context: Document 1: Rural Municipality of Headingley: Headingley is a rural municipality in Manitoba, Canada. It is located directly west of Winnipeg and had a population of 3,215 people at the 2011 census.
Document 2: Whyte Ridge, Winnipeg: Whyte Ridge is a residential subdivision of approximately 1500 homes in the southwest corner of the city of Winnipeg, Manitoba, Canada. The subdivision was built on former farmland, just south of a small townsite that was historically known as Fort Whyte. The first homes in the subdivision were constructed in 1986. The final homes in the subdivision were constructed in 2007. Effective October 2018, Whyte Ridge is now part of Waverley West ward.
Document 3: Baseball Manitoba: Baseball Manitoba, or the "Manitoba Baseball Association", is the governing body for amateur baseball in the province of Manitoba, Canada. It was founded in 1968 and is the provincial branch of Baseball Canada. Its role is to promote the sport, encourage player development, and oversee all organized competition in Manitoba. It currently has approximately 14,000 members.
Document 4: Sir Adam Beck Hydroelectric Generating Stations: Sir Adam Beck Hydroelectric Generating Stations are two hydroelectric generating stations in Niagara Falls, Ontario, Canada. Sir Adam Beck Generating Station I, Sir Adam Beck Generating Station II and the Sir Adam Beck Pump Generating Station are all owned by Ontario Power Generation. Following the development of several smaller generating stations around Niagara Falls in the late 19th and early 20th centuries, the Province of Ontario authorized the construction of first major publicly owned generating station in the province. At the time it was built, it was the largest hydroelectric generating station in the world.
Document 5: Tata Power: Tata Power Type Public Company Traded as NSE: TATAPOWER BSE: 500400 BSE SENSEX Constituent CNX Nifty Constituent Industry Electric utility Founded 1910; 107 years ago (1910) Founder Dorabji Tata Headquarters Mumbai, Maharashtra, India Key people S Padmanabhan (Chairman) Anil Sardana (CEO and MD) Atul Trivedi (President) Products Electrical power Natural gas Services Electricity generation and distribution natural gas exploration, production, transportation and distribution Revenue ₹36,461 crore (US $5.7 billion) (2016) Operating income ₹5,615 crore (US $880 million) (2016) Net income ₹873 crore (US $140 million) (2016) Number of employees 4,126 Parent Tata Group Subsidiaries Tata Power Renewable Energy Limited Website www.tatapower.com
Document 6: Rural Municipality of Roblin: The Rural Municipality of Roblin is a former rural municipality (RM) in the Canadian province of Manitoba. It was originally incorporated as a rural municipality on November 15, 1902. It ceased on January 1, 2015 as a result of its provincially mandated amalgamation with the Village of Cartwright to form the Cartwright – Roblin Municipality.
Document 7: Rural Municipality of Armstrong: Armstrong is a rural municipality in the province of Manitoba in Western Canada. It lies in the southern area of the Interlake and was named after James William Armstrong, a Manitoba politician.
Document 8: Rural Municipality of Grandview: The Rural Municipality of Grandview is a former rural municipality (RM) in the Canadian province of Manitoba. It was originally incorporated as a rural municipality on June 1, 1901. It ceased on January 1, 2015 as a result of its provincially mandated amalgamation with the Town of Grandview to form the Grandview Municipality.
Document 9: Rural Municipality of Riverside: The Rural Municipality of Riverside is a former rural municipality (RM) in the Canadian province of Manitoba. It was originally incorporated as a rural municipality on December 22, 1883. It ceased on January 1, 2015 as a result of its provincially mandated amalgamation with the RM of Strathcona to form the Rural Municipality of Prairie Lakes.
Document 10: Rural Municipality of Hamiota: The Rural Municipality of Hamiota is a former rural municipality (RM) in the Canadian province of Manitoba. It was originally incorporated as a rural municipality on June 28, 1895. It ceased on January 1, 2015 as a result of its provincially mandated amalgamation with the Town of Hamiota to form the Hamiota Municipality.
Document 11: Hydroelectric power in the United States: Hydroelectric stations exist in at least 34 US states. The largest concentration of hydroelectric generation in the US is in the Columbia River basin, which in 2012 was the source of 44% of the nation's hydroelectricity. Hydroelectricity projects such as Hoover Dam, Grand Coulee Dam, and the Tennessee Valley Authority have become iconic large construction projects.
Document 12: Stadtwerke München: Stadtwerke München GmbH (Munich City Utilities) or SWM is a German communal company, owned by the city of Munich, which offers public services for the city and the region of Munich. The company supplies electricity for more than 95% of Munich's 750.000 households as well as natural gas, drinking water and, through its stake in the M-net Telekommunikations GmbH, telecommunications services. SWM is Europe's largest municipal utility company and ranks among Germany's principal energy providers according to company information. Expanding use of renewable energy has been a central element in the company's strategy since 2008. However, the company is also engaged in the industrialisation of the Norwegian wilderness through massive wind-turbines, which has created great opposition in Norway, among others in Sørmarka, Trøndelag.
Document 13: Electricity sector in Canada: In 2013, the leading type of power generation by utilities in Canada is hydroelectricity, with a share of 60.1%. Nuclear (15.8%), natural gas (10.3%), coal (10%), wind (1.8%), fuel oil (1.2%), biofuels and waste (0. 8%), wood (0.4%) and solar (0.1%) follow. Other sources, such as petroleum coke make up the remaining 0.5%.
Document 14: Manitoba Hydro Place: Manitoba Hydro Place is the headquarters building of Manitoba Hydro, the electric power and natural gas utility in the province of Manitoba, Canada. Located at 360 Portage Avenue in downtown Winnipeg and connected to the Winnipeg Walkway system, Manitoba Hydro Place received LEED Platinum certification in May 2012, making it the most energy efficient office tower in North America and the only office tower in Canada to receive the LEED Platinum rating.
Document 15: Manitoba Hydro: Manitoba Hydro is the electric power and natural gas utility in the province of Manitoba, Canada. Founded in 1961, it is a provincial Crown Corporation, governed by the Manitoba Hydro - Electric Board and the Manitoba Hydro Act. Today the company operates 15 interconnected generating stations. It has more than 527,000 electric power customers and more than 263,000 natural gas customers. Since most of the electrical energy is provided by hydroelectric power, the utility has low electricity rates. Stations in Northern Manitoba are connected by a HVDC system, the Nelson River Bipole, to customers in the south. The internal staff are members of the Canadian Union of Public Employees Local 998 while the outside workers are members of the International Brotherhood of Electrical Workers Local 2034.
ground_truth: Manitoba Hydro
sub_queries: Headingley >> located in the administrative territorial entity Answer: Manitoba
what is the most common source of electricity in Manitoba Answer: Manitoba Hydro