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  2. Energy security and renewable technology - Wikipedia

    en.wikipedia.org/wiki/Energy_security_and...

    The systems may be used to heat domestic hot water, swimming pools, or homes and businesses. [8] The heat can also be used for industrial process applications or as an energy input for other uses such as cooling equipment. [9] In many warmer climates, a solar heating system can provide a very high percentage (50 to 75%) of domestic hot water ...

  3. Zero-energy building - Wikipedia

    en.wikipedia.org/wiki/Zero-energy_building

    A Zero-Energy Building (ZEB), also known as a Net Zero-Energy (NZE) building, is a building with net zero energy consumption, meaning the total amount of energy used by the building on an annual basis is equal to the amount of renewable energy created on the site [1] [2] or in other definitions by renewable energy sources offsite, using technology such as heat pumps, high efficiency windows ...

  4. Applications of photovoltaics - Wikipedia

    en.wikipedia.org/wiki/Applications_of_photovoltaics

    Photovoltaic arrays are often associated with buildings: either integrated into them, mounted on them or mounted nearby on the ground. Rooftop PV systems are most often retrofitted into existing buildings, usually mounted on top of the existing roof structure or on the existing walls. Alternatively, an array can be located separately from the ...

  5. Renewable energy - Wikipedia

    en.wikipedia.org/wiki/Renewable_energy

    The deployment of renewable energy still faces obstacles, especially fossil fuel subsidies, [14] lobbying by incumbent power providers, [15] and local opposition to the use of land for renewable installations. [16] [17] Like all mining, the extraction of minerals required for many renewable energy technologies also results in environmental ...

  6. Building-integrated photovoltaics - Wikipedia

    en.wikipedia.org/wiki/Building-integrated...

    Aluminum-framed photovoltaic modules were connected to, or mounted on, buildings that were usually in remote areas without access to an electric power grid. In the 1980s photovoltaic module add-ons to roofs began being demonstrated. These PV systems were usually installed on utility-grid-connected buildings in areas with centralized power stations.

  7. Renewable energy industry - Wikipedia

    en.wikipedia.org/wiki/Renewable_energy_industry

    The renewable-energy industry is the part of the energy industry focusing on new and appropriate renewable energy technologies. Investors worldwide are increasingly paying greater attention to this emerging industry. In many cases, this has translated into rapid renewable energy commercialization and considerable industry expansion.

  8. Passive solar building design - Wikipedia

    en.wikipedia.org/wiki/Passive_solar_building_design

    Such technologies convert sunlight into usable heat (in water, air, and thermal mass), cause air-movement for ventilating, or future use, with little use of other energy sources. A common example is a solarium on the equator-side of a building. Passive cooling is the use of similar design principles to reduce summer cooling requirements.

  9. Renewable thermal energy - Wikipedia

    en.wikipedia.org/wiki/Renewable_thermal_energy

    Renewable thermal energy is the technology of gathering thermal energy from a renewable energy source for immediate use or for storage in a thermal battery for later use.. The most popular form of renewable thermal energy is the sun and the solar energy is harvested by solar collectors to heat water, buildings, pools and various processes.