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  2. Smart grid - Wikipedia

    Background Historical development of the electricity grid. The first alternating current power grid system was installed in 1886 in Great Barrington, Massachusetts. At that time, the grid was a centralized unidirectional system of electric power transmission, electricity distribution, and demand-driven control.

  3. Northeast blackout of 2003 - Wikipedia

    The North American Electric Reliability Corporation, a joint Canada-U.S. council, is responsible for dealing with these issues. On November 19, 2003, Abraham said his department would not seek to punish FirstEnergy Corp for its role in the blackout because current U.S. law does not require electric reliability standards.

  4. Wind power - Wikipedia

    Wind energy is the kinetic energy of air in motion, also called wind.Total wind energy flowing through an imaginary surface with area A during the time t is: = = =, where ρ is the density of air; v is the wind speed; Avt is the volume of air passing through A (which is considered perpendicular to the direction of the wind); Avtρ is therefore the mass m passing through A. ½ ρv 2 is the ...

  5. Photovoltaics - Wikipedia

    Photovoltaic systems have long been used in specialized applications as stand-alone installations and grid-connected PV systems have been in use since the 1990s. Photovoltaic modules were first mass-produced in 2000, when German environmentalists and the Eurosolar organization received government funding for a ten thousand roof program.

  6. Transportation in New York City - Wikipedia

    The history of New York City's transportation system began with the Dutch port of Nieuw Amsterdam.The port had maintained several roads; some were built atop former Lenape trails, others as "commuter" links to surrounding cities, and one was even paved by 1658 from orders of Petrus Stuyvesant, according to Burrow, et al. The 19th century brought changes to the format of the system's transport ...

  7. United - Wikipedia

    United Technologies Corporation, an American multi-national; United Telecommunications (disambiguation) London United Busways, a bus operating company in London; London United Tramways, the former operator in London responsible for trams and trolleybuses from 1894 till 1933; Sports Association football

  8. Electrification - Wikipedia

    His findings led to the Williamson Report of 1918, which in turn created the Electricity Supply Bill of 1919. The bill was the first step towards an integrated electricity system in the UK. The more significant Electricity (Supply) Act of 1926, led to the setting up of the National Grid.

  9. Nuclear power - Wikipedia

    On June 27, 1954, the Obninsk Nuclear Power Plant in the USSR became the world's first nuclear power plant to generate electricity for a power grid, producing around 5 megawatts of electric power. The world's first commercial nuclear power station, Calder Hall at Windscale, England was connected to the national power grid on 27 August 1956.