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  2. Stand-alone power system - Wikipedia

    en.wikipedia.org/wiki/Stand-alone_power_system

    A typical stand-alone solar PV system at a sewage treatment plant in Santuari de Lluc, Spain. Stand-alone photovoltaic power systems are independent of the utility grid and may use solar panels only or may be used in conjunction with a diesel generator, a wind turbine or batteries. [1] [2]

  3. Rooftop solar power - Wikipedia

    en.wikipedia.org/wiki/Rooftop_solar_power

    Multiple solar panels strung together make up a solar array. Solar panels are generally protected by tempered glass and secured with an aluminum frame. [11] The front of a solar panel is very durable whereas the back of a panel is generally more vulnerable. Mounting clamps generally consist of aluminum brackets and stainless steel bolts that ...

  4. Pile driver - Wikipedia

    en.wikipedia.org/wiki/Pile_driver

    Tracked vehicle configured as a dedicated pile driver. A pile driver is a heavy-duty tool used to drive piles into soil to build piers, bridges, cofferdams, and other "pole" supported structures, and patterns of pilings as part of permanent deep foundations for buildings or other structures. Pilings may be made of wood, solid steel, or tubular ...

  5. Solar panel - Wikipedia

    en.wikipedia.org/wiki/Solar_panel

    A solar panel is a device that converts sunlight into electricity by using photovoltaic (PV) cells. PV cells are made of materials that produce excited electrons when exposed to light. These electrons flow through a circuit and produce direct current (DC) electricity, which can be used to power various devices or be stored in batteries.

  6. Concentrated solar power - Wikipedia

    en.wikipedia.org/wiki/Concentrated_solar_power

    A solar power tower consists of an array of dual-axis tracking reflectors that concentrate sunlight on a central receiver atop a tower; the receiver contains a heat-transfer fluid, which can consist of water-steam or molten salt. Optically a solar power tower is the same as a circular Fresnel reflector.

  7. Solar cell - Wikipedia

    en.wikipedia.org/wiki/Solar_cell

    Usually, solar panels are given a lifespan of 25–30 years before they get decommissioned. [182] The International Renewable Energy Agency estimated that the amount of solar panel electronic waste generated in 2016 was 43,500–250,000 metric tons. This number is estimated to increase substantially by 2030, reaching an estimated waste volume ...

  8. Net metering - Wikipedia

    en.wikipedia.org/wiki/Net_metering

    In Nova Scotia, in 2015, 43 residences and businesses began using solar panels for electricity. By 2017, the number was up to 133. These customers’ solar systems are net metered. The excess power produced by the solar panels is bought back from the homeowner by Nova Scotia Power at the same rate that the utility sells it to its customers.

  9. Photovoltaic mounting system - Wikipedia

    en.wikipedia.org/wiki/Photovoltaic_mounting_system

    PV panels mounted on roof Workers install residential rooftop solar panels. The solar array of a PV system can be mounted on rooftops, generally with a few inches gap and parallel to the surface of the roof. If the rooftop is horizontal, the array is mounted with each panel aligned at an angle.

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