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Ameren
Ameren Corporation is an American power company created December 31, 1997, by the merger of Union Electric Company (formerly NYSE: UEP) of St. Louis, Missouri and the neighboring Central Illinois Public Service Company (CIPSCO Inc. holding, formerly NYSE: CIP) of Springfield, Illinois. It is now a holding company for several Electrical power industry, power companies and Energy company, energy companies. The company is based in St. Louis, with 2.4 million electric, and 900,000 natural gas customers across 64,000 square miles in central and eastern Missouri and the southern four-fifths of Illinois by area. Ameren is the holding company for the following: * Ameren Missouri * Ameren Illinois * Ameren Transmission Company * Ameren Services The Ameren Missouri subsidiary owns Bagnell Dam on the Osage River, which forms the Lake of the Ozarks. Ameren Missouri is responsible for managing water levels on the lake according to federal regulations. History Origins Prior to the formatio ...
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Dynegy
Dynegy Inc. is an electric company based in Houston, Texas. It owns and operates a number of power stations in the U.S., all of which are powered by fossil fuels. Dynegy was acquired by Vistra Corp on April 9, 2018. The company is located at 601 Travis Street in Downtown Houston.Heschmeyer, Mark. "Dynegy Bails on 181,000-SF Houston Office Lease." CoStar Group News. July 11, 2012.
Accessed 2012-07-12.
The company was founded in 1984 as Natural Gas Clearinghouse. It was originally an energy brokerage, buying and selling natural gas supplies. It changed its name to NGC Corporation in 1995 after entering the electrical power generation business. The company adopted the name Dynegy in 1998. Dynegy maintained a rivalry with the Houston-bas ...
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Central Illinois Public Service Company
The Central Illinois Public Service Company was an electric streetcar holding company and power utility first organized in 1902. Under its later quarter billion dollar holding company, CIPSCO Inc. (formerly ), it merged in 1997 with the larger neighboring Union Electric Company of Missouri (formerly ) to form Ameren Corporation () based in St. Louis, Missouri.


History

In 1902, in , the core of the company was born as the Mattoon City Railway Streetcar company, the first of the company's many later interurban electric railways.
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Callaway Nuclear Generating Station
The Callaway Plant is a nuclear power plant located in Callaway County, Missouri. The plant is Missouri's only nuclear power plant and is close to Fulton, Missouri. The site began operations on December 19, 1984. It generates electricity from one 1,190-megawatt Westinghouse four-loop pressurized water reactor and a General Electric turbine- generator. The Ameren Corporation owns and operates the plant through its subsidiary Ameren Missouri. It is one of several Westinghouse reactors designs called the "Standard Nuclear Unit Power Plant System," or SNUPPS. The plant produces 1,279 electrical megawatts (MWe) of net power. As of 2019, Callaway has completed five "breaker-to-breaker" runs — operating from one refueling to the next without ever being out of service. It is one of only 26 U.S. reactors to achieve such a feat according to Ameren. History On November 19, 2005, its workers finished replacing all four steam generators in 63 days, 13 hours, a world r ...
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Union Electric Company
The Union Electric Company of Missouri (formerly ) was an electric power utility that was organized in 1902 and grew to be one of the large U.S. companies listed among the S&P 500. In 1997, its holding company merged with a smaller neighboring utility, Central Illinois Public Service Company through its holding company, CIPSCO Inc. (formerly ), to form Ameren Corporation () based in St. Louis, Missouri.Ameren Corporation, About Us


History

The company's first incarnation, the Union Company, was organized in 1902 in
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Lake Of The Ozarks
Lake of the Ozarks is a reservoir created by impounding the Osage River in the northern part of the Ozarks in central Missouri. Parts of three smaller tributaries to the Osage are included in the impoundment: the Niangua River, Grandglaize Creek, and Gravois Creek. The lake has a surface area of and of shoreline. The main channel of the Osage Arm stretches from one end to the other. The total drainage area is over . The lake's serpentine shape has earned it the nickname "the Missouri Dragon", which has, in turn, inspired the names of local institutions such as the Magic Dragon Street Meet. History A hydroelectric power plant on the Osage River was first pursued by Kansas City, Missouri, Kansas City developer Ralph Street in 1912. He put together the initial funding and began building roads, railroads, and infrastructure necessary to begin construction of a dam, with a plan to impound a much smaller lake. In the mid-1920s, Street's funding dried up, and he abandoned the effo ...
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Research Park, University Of Illinois At Urbana-Champaign
Research Park at the University of Illinois Urbana-Champaign is a research park located in the southwest part of the University of Illinois Urbana-Champaign campus in Champaign, Illinois. Research Park is a technology hub for startup companies and corporate research and development operations. Within Research Park there are more than 120 companies employing more than 2,100 people including students and full-time technology professionals. Multinational and publicly traded corporations in the Research Park include: ADM, Abbott Laboratories, AbbVie, Ameren, AGCO, bp, Bayer, Brunswick, Capital One, Cargill, Caterpillar, CME Group, Corteva, Deere & Company, Kohler, Littelfuse, Motorola Solutions, Nutrien Ag Solutions, NVIDIA, Riverbed, Rivian, State Farm, Synchrony, and Yahoo (Verizon Media Group). Research Park is also home to over 50 startup companies that are commercializing technology. EnterpriseWorks, the Research Park's 43,000-square-foot business incubator for early-stage tech ...
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Bagnell Dam
Bagnell Dam (informally, the Osage Dam) impounds the Osage River in the U.S. state of Missouri, creating the Lake of the Ozarks. The dam is located in the city of Lakeside, Missouri, Lakeside in Miller County, Missouri, Miller County, near the Camden-Miller County line. The tall concrete gravity dam was built by the Union Electric Company (now Ameren) to generate hydroelectric power at its Osage Powerplant. It is long, including a long spillway and a long power station. The facility with eight generators has a maximum capacity of 215 megawatts. The dam provides power to 42,000 homes. The dam also creates Bagnell Dam Boulevard (formerly US 54 prior to 1968, then formally U.S. Route 54 Business (Lake Ozark, Missouri), US 54 Business Route), a narrow two-lane highway connecting the nearby Bagnell Dam Strip with Lakeland, Missouri, Lakeland and U.S. Route 54 in Missouri, U.S. Route 54. The dam is named for the nearby town of Bagnell, Missouri, which was named for William Bagnell, ...
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Meredosia, Illinois
Meredosia is a village in Morgan County, Illinois, United States. The population was 826 at the 2020 census, down from 1,044 in 2010. It is part of the Jacksonville Micropolitan Statistical Area. Geography Meredosia is in far northwestern Morgan County, on the east bank of the Illinois River, the border with Pike County. Illinois Route 104 passes through the village as its Main Street, leading east and then southeast to Jacksonville, the county seat, and west across the river and to Quincy. According to the U.S. Census Bureau, Meredosia has a total area of , of which , or 4.11%, are water. The Meredosia National Wildlife Refuge is directly north of the village, within the Illinois River floodplain. ''Marais d'Osier'', meaning willow swamp, was the original French name given to the area in the early 1800s. Closing of Power Ameren power station In 2011, Ameren Energy Resources Company announced the closure of its power station in Meredosia. The closure resulted in a ...
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Springfield, Illinois
Springfield is the List of capitals in the United States, capital city of the U.S. state of Illinois. Its population was 114,394 at the 2020 United States census, which makes it the state's List of cities in Illinois, seventh-most populous city, the second-most populous outside of the Chicago metropolitan area (after Rockford, Illinois, Rockford), and the most populous in Central Illinois. Approximately 208,000 residents live in the Springfield, Illinois metropolitan area, Springfield metropolitan area, which consists of all of Sangamon County, Illinois, Sangamon and Menard County, Illinois, Menard counties. The city lies in a plain near the Sangamon River north of Lake Springfield. Springfield is the county seat of Sangamon County and is located along historic Route 66. Springfield was settled by European-Americans in the late 1810s, around the time Illinois became a state. The most famous historic resident was Abraham Lincoln, who lived in Springfield from 1837 until 1861, wh ...
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Natural Gas
Natural gas (also fossil gas, methane gas, and gas) is a naturally occurring compound of gaseous hydrocarbons, primarily methane (95%), small amounts of higher alkanes, and traces of carbon dioxide and nitrogen, hydrogen sulfide and helium. Methane is a colorless and odorless gas, and, after carbon dioxide, is the second-greatest greenhouse gas that contributes to global climate change. Because natural gas is odorless, a commercial odorizer, such as Methanethiol (mercaptan brand), that smells of hydrogen sulfide (rotten eggs) is added to the gas for the ready detection of gas leaks. Natural gas is a fossil fuel that is formed when layers of organic matter (primarily marine microorganisms) are thermally decomposed under oxygen-free conditions, subjected to intense heat and pressure underground over millions of years. The energy that the decayed organisms originally obtained from the sun via photosynthesis is stored as chemical energy within the molecules of methane and other ...
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Alton, Illinois
Alton ( ) is a city on the Mississippi River in Madison County, Illinois, United States, about north of St. Louis, Missouri. The population was 25,676 at the 2020 United States census, 2020 census. It is a part of the River Bend (Illinois), River Bend area in the Metro-East region of the Greater St. Louis metropolitan area. It is well known for its limestone bluffs along the river north of the city. It's the former location of an historical state penitentiary, and played a significant role preceding and during the American Civil War. It was the site of the last Abraham Lincoln and Stephen Douglas debate in October 1858. The former state penitentiary in Alton was used during the Civil War to hold up to 12,000 Confederate prisoners of war. History Although Alton once was growing faster than the nearby city of St. Louis, a coalition of St. Louis businessmen planned to build a competing town to stop Alton's expansion and bring business to St. Louis. The resulting town was Grafton, ...
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