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  2. Geothermal power in the Philippines - Wikipedia

    en.wikipedia.org/wiki/Geothermal_power_in_the...

    As of 2017, the International Renewable Energy Agency estimates the Philippines' net installed geothermal energy capacity to at 1.9 gigawatts (GW)—out of the global geothermal installed capacity of 12.7 GW ranking behind the United States (2.5 GW) and ahead of Indonesia (1.5 GW). [10]

  3. Ground source heat pump - Wikipedia

    en.wikipedia.org/wiki/Ground_source_heat_pump

    The direct exchange geothermal heat pump (DX) is the oldest type of geothermal heat pump technology where the refrigerant itself is passed through the ground loop. Developed during the 1980s, this approach faced issues with the refrigerant and oil management system, especially after the ban of CFC refrigerants in 1989 and DX systems now are ...

  4. International Ground Source Heat Pump Association - Wikipedia

    en.wikipedia.org/wiki/International_Ground...

    Established in 1987, the International Ground Source Heat Pump Association (IGSHPA) is a nonprofit, membership-based organization that promotes geothermal heat pump technology. It was a outreach unit of the College of Engineering, Architecture and Technology (CEAT) at Oklahoma State University until 2020. In June 2020, the OSU Board of Regents ...

  5. Direct exchange geothermal heat pump - Wikipedia

    en.wikipedia.org/wiki/Direct_exchange_geothermal...

    DX system being drilled in the 1980s. A direct exchange (DX) geothermal heat pump is a type of ground source heat pump in which refrigerant circulates through copper tubing placed in the ground unlike other ground source heat pumps where refrigerant is restricted to the heat pump itself with a secondary loop in the ground filled with a mixture of water and anti-freeze.

  6. Geothermal heating - Wikipedia

    en.wikipedia.org/wiki/Geothermal_heating

    That heat can be extracted with a geothermal heat pump more efficiently than it can be generated by conventional furnaces. [10] Geothermal heat pumps are economically viable essentially anywhere in the world. In theory, geothermal energy (usually cooling) can also be extracted from existing infrastructure, such as municipal water pipes. [14]

  7. Closed-loop geothermal - Wikipedia

    en.wikipedia.org/wiki/Closed-loop_geothermal

    Closed-loop geothermal systems (also known as “advanced geothermal systems” or “AGS”) are a type of engineered geothermal energy system containing subsurface working fluid that is heated in a hot rock reservoir without direct contact with rock pores and fractures.: [1] [2] [3] Instead, the subsurface working fluid stays inside a closed loop of deeply buried pipes that conduct Earth’s ...

  8. Category : Geothermal power stations in the Philippines

    en.wikipedia.org/wiki/Category:Geothermal_power...

    Pages in category "Geothermal power stations in the Philippines" The following 6 pages are in this category, out of 6 total. This list may not reflect recent changes .

  9. First Philippine Holdings Corporation - Wikipedia

    en.wikipedia.org/wiki/First_Philippine_Holdings...

    Its power generation subsidiary, First Gen Corporation (First Gen), is a renewable energy producer, with power plants that use geothermal, hydro, and natural gas for fuel. Today, it has a total installed capacity of 2,832.6 MW, or 18.2% of the country's total installed capacity.

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