Southern Company is an American gas and electric utility holding company based in the southern United States. It is headquartered in Atlanta, Georgia, with executive offices also located in Birmingham, Alabama. The company is currently the second largest utility company in the U.S. in terms of customer base. Through its subsidiaries it serves 9 million gas and electric utility customers in 6 states. Southern Company's regulated regional electric utilities serve a 120,000-square-mile (310,000 km2) territory with 27,000 miles (43,000 km) of distribution lines.
Theodore Roosevelt Dam is a dam on the Salt River located northeast of Phoenix, Arizona. The dam is 357 feet (109 m) high and forms Theodore Roosevelt Lake as it impounds the Salt River. Originally built between 1905 and 1911; the dam was renovated and expanded in 1989–1996. The dam is named after President Theodore Roosevelt. Serving mainly for irrigation, water supply, and flood control, the dam also has a hydroelectric generating capacity of 36 megawatts.
Folsom Powerhouse State Historic Park is a historical site preserving an 1895 alternating current (AC) hydroelectric power station—one of the first in the United States.
The Lake Zumbro Hydroelectric Generating Plant, also known as the City of Rochester Municipal Hydro-Electric Plant, is a hydroelectric facility on the Zumbro River in Mazeppa and Zumbro Townships, Wabasha County, Minnesota, United States. The facility consists of a gravity dam and a powerhouse, and the impoundment created is called Lake Zumbro. This dam spans 440 feet (130 m) and is 60 feet (18 m) high, creating a reservoir with about 55 feet (17 m) of hydraulic head. The facility was designed by pioneering hydroelectric engineer Hugh Lincoln Cooper (1865–1937) and was built from 1917 to 1919. It is still operated by its original owner, Rochester Public Utilities (RPU), to supply power to Rochester, Minnesota, 15 miles (24 km) to the south. The Lake Zumbro Hydroelectric Generating Plant was listed on the National Register of Historic Places in 1991 for having state-level significance in the theme of engineering. It was nominated as a representative work of Cooper—one of the nation's leading hydroelectric engineers in the early 20th century—and his only project in his home state of Minnesota.
Childs-Irving Hydroelectric Facilities consisted of two 20th-century power plants, a dam, and related infrastructure along or near Fossil Creek in the U.S. state of Arizona. The complex was named an Historic Mechanical Engineering Landmark in 1971 and was added to the National Register of Historic Places 20 years later. Decommissioned in 2005, the plants no longer produce electricity, and much of the infrastructure—including the dam, the Irving Power Plant, and thousands of feet of concrete flumes—have been removed, and the creek's original flow has been restored.
Adams Power Plant Transformer House in Niagara Falls, New York is a National Historic Landmarked building constructed in 1895. It is the only remaining structure that was part of the historic Edward Dean Adams Power Plant, the first large-scale, alternating current electric generating plant in the world, built in 1895. The building's eponym was Edward Dean Adams, a businessman and entrepreneur in the electrical field.
River Mill Hydroelectric Project, also known as River Mill Dam and Station M, is a hydroelectric dam and powerhouse in Clackamas County, Oregon, United States. It is just north of Estacada, Oregon, on the Clackamas River at river mile 23.5.
West Florida Electric Cooperative, Inc. (WFEC) is a not-for-profit rural electric utility cooperative headquartered in Graceville, Florida. It is a member of the Florida Electric Cooperatives Association, the National Rural Electric Association, PowerSouth Energy Cooperative and the Touchstone Energy Cooperatives alliance.
The former Saratoga Gas, Electric Light and Power Company Complex is located near the northern boundary of Saratoga Springs, New York, United States. It is a seven-acre parcel with two brick buildings on it. In the 1880s it became the thriving resort city's first power station.
The Portland Railway, Light and Power Company was a railway company and electric power utility in Portland, Oregon, United States, from 1906 until 1924.
The Occum Hydroelectric Plant and Dam is a historic hydroelectric plant and dam north of Bridge Street on the west side of the Shetucket River in Norwich, Connecticut. The facility includes a rare surviving partial example of a large-scale dam built for a textile mill in 1865, and an early example of a hydroelectric power generation facility established in 1934. It is one of a small number of surviving hydroelectric plants in the state which was built before 1940. The complex was listed on the National Register of Historic Places in 1996.
Mechanicville Hydroelectric Plant is a 18.3-acre (7.4 ha) national historic district located at Mechanicville in Saratoga County, New York. The listing included one contributing building and three contributing structures. The district dates to 1897 and includes notable Queen Anne architecture.
The Warrior Ridge Dam and Hydroelectric Plant is a historic dam and power plant and national historic district spanning the Frankstown Branch Juniata River and located in Logan Township and Porter Township in Huntingdon County, Pennsylvania. The district includes 5 contributing buildings and 3 contributing structures. They are the main dam, power plant, auxiliary dam, and four houses and a former church in the operators village. The main dam was built between 1905 and 1907 and is 400 feet (120 m) long and 27 feet (8.2 m) high, constructed of reinforced concrete. The auxiliary dam was built in 1907 and measures 110 feet (34 m) long and 27 feet high. The power plant was constructed in 1906-1907, and measured 30 by 205 feet, with a steam plant and two wings. The power plant was partially demolished in 1978. The houses and former church were built by plant developer, the Junuata Hydro-Electric Company of Philadelphia.
Salt River Hydroelectric Powerplant, on the Salt River and on the border of Idaho and Wyoming, near Etna, Wyoming, was built in 1938.
The Coffee County Courthouse is a historic county courthouse in Courthouse Square in Elba, Alabama, one of two county seats of Coffee County, Alabama. It was added to the National Register of Historic Places on May 8, 1973. It is located at 230 Court Avenue. Elba is subject to frequent floods of the Pea River; high water marks on the courthouse walls indicate the highest level reached in past floods.
The Ellsworth Power House and Dam, the latter also known as the Union River Dam, is a hydroelectric power generation facility on the Union River in Ellsworth, Maine. The dam, located just north of downtown Ellsworth, impounds the river to create Leonard Lake, named for project's engineer, James Leonard. The powerhouse is a Renaissance Revival building located at the western end of the dam. The power plant, built in 1907, was one of the first peaking power plants built in the state, and the hollow concrete dam is one of the highest Ambursen-type buttress dams ever built. The facility was listed on the National Register of Historic Places in 1985.
The Bodwell Water Power Company Plant, also known as the Milford Plant of Emera Maine, is a hydroelectric power generation facility on the Penobscot River in Milford, Maine. Its main building, a handsome Romanesque structure, stands at the eastern end of the Milford Dam. Built in 1906, it was at that time the largest hydroelectric facility in the state, and its construction marked a shift from water to electrical power of area industries. It was listed on the National Register of Historic Places in 1988.
Star Milling and Electric Company Historic District, also known as Star Mill Falls and Star Gristmill, is a historic industrial complex and national historic district located in Lima Township, LaGrange County, Indiana. The district encompasses one contributing building, one contributing site, and two contributing structures. They are a small hydroelectric powerhouse (1929), two dams (1929), and the site of the original 1870 grist mill / hydroelectric generating plant. The old mill generated electric power from 1911 to 1929, and in 1930 the new powerhouse began operation.
Waverly Municipal Hydroelectric Powerhouse is a historic building located in Waverly, Iowa, United States. Mills were established on both sides of the Cedar River from the earliest years of Waverly, and they created the dam across the river. The towns first electric plant was privately owned and was established in the 1880s. The city bought the water rights and the dam in 1890, a new privately operated power plant went into operation in 1896. In 1908 the power plant was destroyed in an explosion and fire. Waterloo, Iowa architect John G. Ralston in collaboration with the Fargo Engineering Company of Jackson, Michigan designed the new facility that was completed the following year. A large wing that housed three diesel electric generating units, and an office addition were completed in 1938. The red brick facility features Neoclassical details, and is located on the east bank of the Cedar River. The building was listed on the National Register of Historic Places in 2013. It was included as a contributing property in the Waverly East Bremer Avenue Commercial Historic District in 2014.
The Little Falls Hydroelectric Power Plant, on the Spokane River near Reardan, Washington, about 30 miles (48 km) west of Spokane was built during 1907-10. It was listed on the National Register of Historic Places in 1988. The listing included one contributing building and seven contributing structures on 12 acres (4.9 ha). The area spans the border of Lincoln County, Washington and Stevens County, Washington.
