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  2. Solar updraft tower - Wikipedia

    en.wikipedia.org/wiki/Solar_updraft_tower

    A few prototypes have recently been built [2] in Spain in 1981, in Iran in 2011, and in China in 2010 (see below), and projects were proposed for parts of Africa, the US and Australia. In 2014, National Geographic published a popular update, including an interview with an informed engineering proponent. A solar updraft tower power plant can ...

  3. Mini-grid - Wikipedia

    en.wikipedia.org/wiki/Mini-grid

    A mini-grid is an aggregation of electrical loads and one or more energy sources operating as a single system providing electricity and possibly heat, isolated from a main power grid. A modern mini-grid may include renewable- and fossil fuel-based power generation, energy storage, and load control .

  4. Small hydro - Wikipedia

    en.wikipedia.org/wiki/Small_hydro

    Exact definitions vary, but a "small hydro" project is less than 50 megawatts (MW), and can be further subdivide by scale into "mini" (<1MW), "micro" (<100 kW), "pico" (<10 kW). In contrast many hydroelectric projects are of enormous size, such as the generating plant at the Three Gorges Dam at 22,500 megawatts or the vast multiple projects of ...

  5. List of energy storage power plants - Wikipedia

    en.wikipedia.org/wiki/List_of_energy_storage...

    Glendale Water and Power - Peak Capacity Project: Thermal storage, ice: 9: 1.5: 6: United States: California, Glendale: This project installed a total of 180 Ice Thermal Energy storage units at 28 Glendale city buildings and 58 local small, medium-sized, and large commercial businesses during a one-year installation process. [5] State ...

  6. Grid energy storage - Wikipedia

    en.wikipedia.org/wiki/Grid_energy_storage

    Grid energy storage, also known as large-scale energy storage, are technologies connected to the electrical power grid that store energy for later use. These systems help balance supply and demand by storing excess electricity from variable renewables such as solar and inflexible sources like nuclear power, releasing it when needed.

  7. Micro combined heat and power - Wikipedia

    en.wikipedia.org/wiki/Micro_combined_heat_and_power

    Micro-CHP is defined by the EU as less than 50 kW electrical power output, [1] however, others have more restrictive definitions, all the way down to <5 kWe. [3] A micro-CHP generator may primarily follow heat demand, delivering electricity as the by-product, or may follow electrical demand to generate electricity, with heat as the by-product ...

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  9. Transmission tower - Wikipedia

    en.wikipedia.org/wiki/Transmission_tower

    Transmission tower in Toronto, ON Single-circuit three-phase transmission line Transmission towers on a hill field. Three-phase electric power systems are used for high voltage (66- or 69-kV and above) and extra-high voltage (110- or 115-kV and above; most often 138- or 230-kV and above in contemporary systems) AC transmission lines.