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  2. Rooftop solar power - Wikipedia

    en.wikipedia.org/wiki/Rooftop_solar_power

    In the mid-2000s, solar companies used various financing plans for customers such as leases and power purchase agreements. Customers could pay for their solar panels over a span of years, and get help with payments from credits from net metering programs. As of May 2017, installation of a rooftop solar system costs an average of $20,000.

  3. Panel generation factor - Wikipedia

    en.wikipedia.org/wiki/Panel_generation_factor

    Panel generation factor (PGF) [1] is used while calculating the size of solar photovoltaic cells. It is a varying factor depending upon the climate of the site location (depending upon global geographic location). For example, in Thailand it is 3.43, in EU countries it is 2.93, etc. This factor is used in calculation of "Total Watt-Peak Rating ...

  4. Passive solar building design - Wikipedia

    en.wikipedia.org/wiki/Passive_solar_building_design

    An attached sunspace, also sometimes called a solar room or solarium, is a type of isolated gain solar system with a glazed interior space or room that is part of or attached to a building but which can be completely closed off from the main occupied areas. It functions like an attached greenhouse that makes use of a combination of direct-gain ...

  5. Solar power in the United States - Wikipedia

    en.wikipedia.org/wiki/Solar_power_in_the_United...

    The oldest solar power plant in the world is the 354-megawatt (MW) Solar Energy Generating Systems thermal power plant in California. [7] The Ivanpah Solar Electric Generating System is a solar thermal power project in the Mojave Desert, 40 miles (64 km) southwest of Las Vegas, with a gross capacity of 392 MW. [8]

  6. ASHRAE 90.1 - Wikipedia

    en.wikipedia.org/wiki/ASHRAE_90.1

    ANSI/ASHRAE/IES Standard 90.1: Energy Standard for Buildings Except Low-Rise Residential Buildings is an American National Standards Institute (ANSI) standard published by ASHRAE and jointly sponsored by the Illuminating Engineering Society (IES) that provides minimum requirements for energy efficient designs for buildings except for low-rise residential buildings (i.e. single-family homes ...

  7. Solar panel - Wikipedia

    en.wikipedia.org/wiki/Solar_panel

    Solar panels are also known as solar cell panels, solar electric panels, or PV modules. Solar panels are usually arranged in groups called arrays or systems . A photovoltaic system consists of one or more solar panels, an inverter that converts DC electricity to alternating current (AC) electricity, and sometimes other components such as ...