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Sarnia Photovoltaic Power Plant near Sarnia, Ontario, is Canada's largest photovoltaic plant with an installed capacity of 97 MWP (80 MWAC).In 2009, Ontario introduced a feed-in tariff renewable energy payments program paying up to CDN 44.3 cents per kW·h for large ground arrays such as the Sarnia plant. This makes Ontario's one of the top feed in tariff programs in the world. Phase I (for 20 MW) was completed in December 2009. Phase II (60 MW) was completed in September 2010 at a cost of C$300 million. The project was developed by Enbridge.First Solar developed, engineered, and constructed the facility, and it will operate the Sarnia Solar Project for Enbridge under a long-term contract. Enbridge will sell the power output of the facility to the Ontario Power Authority pursuant to 20-year power purchase agreements under the terms of the Ontario government's Renewable Energy Standard Offer Program. The plant covers 450 hectares (1,100 acres) and contains about 257 ha (635 acres) of modules, which is about 1.3 million thin-film panels. At the completion of Phase II it was the largest solar power station in the world, a title it held until the 2011 opening of Huanghe Hydropower Golmud Solar Park in China. The expected annual energy yield is about 120,000 MW·h, which if produced in a coal-fired plant, would require emission of 39,000 tonnes of CO2.

Osborne is a dispersed rural community and unincorporated place in the municipality of St. Clair, Lambton County in Southwestern Ontario, Canada. It is at the intersection of Lasalle Line and Waterworks Road, about 15 kilometres (9 mi) southeast of the centre of Sarnia.

CHKS-FM is a Canadian radio station, which broadcasts at 106.3 FM in Sarnia, Ontario. The station broadcasts a classic hits format with the brand name Cool 106.3 and it also serves Port Huron, Michigan.CHKS-FM broadcasts in HD.

CFGX-FM is a Canadian radio station, which broadcasts at 99.9 FM in Sarnia, Ontario. The station broadcasts an adult contemporary format with the brand name The Fox. Its main competitors are WGRT and WBTI. CFGX-FM can be heard in the eastern parts of Michigan as far west as Lapeer and well into the Thumb region, and used to have a listenable signal in much of Macomb County before Detroit's WCHB (now WMUZ) signed on an FM translator at 99.9 (which now relays WDMK-HD2). The station can be heard as far east as Strathroy (farther east, co-channel CHJX-FM in London interferes) and Chatham to the south. The station was launched with the callsign CJFI on September 14, 1981 by Rogers Communications, the owner of the city's existing CKJD. CJFI featured easy listening music with some simulcasting of Top 40-formatted CKJD overnights. The station adopted its current call sign and format on February 26, 1988. CKJD and CJFI were sold to Maclean-Hunter subsidiary Blue Water Broadcasting on July 16, 1987. When Rogers acquired Maclean-Hunter on December 19, 1994, the Blue Water stations were spun off to Blackburn Radio. In July 2008, the station applied to increase power. That application was approved on September 3, 2008.

The St. Clair Energy Centre is a natural gas power station in St. Clair, Ontario. The facility is owned by St Clair Power LP, a joint venture between Invenergy and the hedge fund Stark Investments, and operated by Invenergy Services Canada.The plant was built in response to the Government of Ontario's 2004 initiative to produce lower-emission electricity, and has a 20-year contract from the Ontario Power Authority to provide electricity to the provincial power grid. The plant was partially built from equipment originally intended four-unit CCGT in Nelson Township, IL.

Great Lakes Secondary School (GLSS) is a high school in Sarnia, Ontario. It was previously named St. Clair Secondary School, and it was renamed after being consolidated with Sarnia Collegiate Institute and Technical School. It is managed by the Lambton Kent District School Board. Team name: WolfpackSchool colours: light blue, silver and blackGrades: 9–12

The Progressive Auto Sales Arena is a 5,500-capacity (4,118-seated) multi-purpose arena in Sarnia, Ontario, Canada. It is located on the campus of Lambton College and opened in September 1998. The Progressive Auto Sales Arena is currently home to the Sarnia Sting OHL ice hockey team. The Sarnia Legionnaires (1969–) Junior B hockey club holds its training camp at the facility before moving to Sarnia Arena for its regular schedule. The arena features two NHL-sized ice pads, 43 luxury suites, and an in-house, full-service restaurant. Artists such as Crash Test Dummies, Blue Man Group, Bryan Adams and Elton John have played there, and it has also hosted Stars on Ice.

Sarnia is a city in Lambton County, Ontario, Canada. It had a 2021 population of 72,047, and is the largest city on Lake Huron. Sarnia is located on the eastern bank of the junction between the Upper and Lower Great Lakes where Lake Huron flows into the St. Clair River in the Southwestern Ontario region, which forms the Canada–United States border, directly across from Port Huron, Michigan. The site's natural harbour first attracted the French explorer La Salle. He named the site "The Rapids" on 23 August 1679, when he had horses and men pull his 45-ton barque Le Griffon north against the nearly four-knot current of the St. Clair River. This was the first time that a vessel other than a canoe or other oar-powered vessel had sailed into Lake Huron, and La Salle's voyage was germinal in the development of commercial shipping on the Great Lakes. Located in the natural harbour, the Sarnia port remains an important centre for lake freighters and oceangoing ships carrying cargoes of grain and petroleum products. The natural port and the salt caverns that exist in the surrounding areas, together with the oil discovered in nearby Oil Springs in 1858, led to the dramatic growth of the petroleum industry in this area. Because Oil Springs was the first place in Canada and North America to drill commercially for oil, the knowledge that was acquired there resulted in oil drillers from Sarnia travelling the world teaching other enterprises and nations how to drill for oil.The complex of refining and chemical companies is called "Chemical Valley" and located south of downtown Sarnia. In 2011 the city had the highest level of particulates air pollution of any Canadian city, but it has since dropped to rank 30th in this hazard. About 60 percent of the particulate matter comes from industries and polluters in the neighbouring United States.Lake Huron is cooler than the air in summer and warmer than the air in winter; therefore, it moderates Sarnia's humid continental climate, making temperature extremes of hot and cold less evident. In the winter, Sarnia occasionally experiences lake-effect snow from Arctic air blowing across the warmer waters of Lake Huron and condensing to form snow squalls over land.

Lambton College is a publicly funded college in Sarnia, Ontario, Canada, attended primarily by international students. In 2021-22 8,773 of the college's total headcount of 10,864 students, 82%, were on student visas. Lambton College also has campuses in Mississauga and Toronto. Lambton’s two private partner colleges in Toronto and Mississauga — Cestar College of Business, Health and Technology and Queen’s College of Business, Technology, and Public Safety are composed of only international students.

Sarnia station (also Sarnia Tunnel Station) is a Via Rail train station in Sarnia, Ontario, Canada. It is the western terminus for Via Rail trains running from Toronto through southwestern Ontario. The unstaffed station is wheelchair accessible. The station includes vending machines, washrooms, a pay phone, and a medium-sized waiting area. Train 84 leaves daily from Sarnia at 08:40, and returns as train 87 at 22:20.The International Limited was operated jointly by Via Rail and Amtrak between Chicago and Toronto. The service, which had ended in 1971 by CN Rail, was restarted in 1982 and discontinued again in 2004 due to border delays and post-9/11.Sarnia Transit Route 1 Confederation will service the railway station on request and the connection to Amtrak Blue Water route can be made from cross border taxis between Sarnia and Port Huron. The Gothic Revival station was built in 1891 by the Grand Trunk Railway (and designed by engineer Joseph Hobson) and later acquired by VIA Rail through CN Rail.

Lambton Mall is a shopping mall located in Sarnia, Ontario, Canada, owned by Chicago real estate company Cushman and Wakefield. It opened in 1971 and, through several expansions, has grown to encompass over 580,000 square feet of retail space.

On the afternoon of Thursday, May 21, 1953, a violent F4 tornado struck the cities of Port Huron, Michigan, United States and Sarnia, Ontario, Canada. The long-tracked, over mile-wide tornado destroyed large sections of the downtown areas of both cities, as well scores of neighborhoods in the surrounding areas. Seven people were killed, 117 others were injured, and damages were estimated $17.6 million (1953 USD). The tornado was the last of a two-day severe weather outbreak that also produced two intense tornadoes in Iowa the day before.