Geothermal energy is thermal energy extracted from the Earth's crust. It combines energy from the formation of the planet and from radioactive decay. Geothermal energy has been exploited as a source of heat and/or electric power for millennia.
Unterhaching (German pronunciation:[ʔʊntɐˈhaxɪŋ]; Central Bavarian: Haching) is the second largest municipality in the district of Munich in Bavaria, Germany, located to the south of Munich city centre and easily accessible via two federal motorways, Bundesautobahn 8 and Bundesautobahn 995, and also on the Munich S-Bahn, connecting Unterhaching to Marienplatz in less than 20 minutes. The municipality is best known for its football club SpVgg Unterhaching, who played in the Bundesliga in 1999–2001 and is also home to a CO2 neutral district heating network.
Founded in 2001, the American Council on Renewable Energy (ACORE) is a member-based, 501(c)(3) national non-profit organization that unites finance, policy and technology to accelerate the transition to a renewable energy economy.
Geothermal power in Australia was at one time hoped to provide cost effect, renewable power for Australia. There are locations that have been shown to contain hot granites at depth which hold good potential for development of geothermal energy. Exploratory geothermal wells have been drilled to test for the presence of high temperature geothermal reservoir rocks and such hot granites were detected. However, all these projects have since been abandoned. A small geothermal plant in Queensland experienced problems during commissioning and as at May 2022, remains idle.
Geothermal energy in the United States was first used for electric power production in 1960. The Geysers in Sonoma and Lake counties, California was developed into what is now the largest geothermal steam electrical plant in the world, at 1,517 megawatts. Other geothermal steam fields are known in the western United States and Alaska. Geothermally generated electric power can be dispatchable to follow the demands of changing loads. Environmental impact of this energy source includes hydrogen sulfide emissions, corrosive or saline chemicals discharged in waste water, possible seismic effects from water injection into rock formations, waste heat and noise.
Geothermal power is electrical power generated from geothermal energy. Technologies in use include dry steam power stations, flash steam power stations and binary cycle power stations. Geothermal electricity generation is currently used in 26 countries, while geothermal heating is in use in 70 countries.
Canada has substantial potential for geothermal energy development. To date, development has all been for heating applications. Canada has 103,523 direct use installations as of 2013. There is currently no electricity being generated from geothermal sources in Canada although substantial potential exists in the Canadian Cordillera. The most advanced project exists as a test geothermal-electrical site at the Mount Meager massif in British Columbia, where a 100 MegaWatt (MW) facility could be developed. Potential for enhanced geothermal energy systems (EGS) exists throughout Canada. There are six geothermal power and two direct use projects listed with the Canadian Geothermal Energy Association.
Geothermal power is very cost-effective in the Great Rift Valley of Kenya, East Africa. As of 2023, Kenya has 891.8 MW of installed geothermal capacity. Kenya was the first African country to build geothermal energy sources. The Kenya Electricity Generating Company, which is 74% state-owned, has built several plants to exploit the Olkaria geothermal resource; Olkaria I, Olkaria II, Olkaria IV, Olkaria V, and Wellhead generation plants, with a third private plant Olkaria III. Additionally, a pilot wellhead plant of 2.5 MW has been commissioned at Eburru and two small scale plants have been built by the Oserian Development Company to power their rose farm facilities with a total of 4 MW.
Djibouti's electrical energy is supplied primarily by thermal plants and imported hydroelectricity from Ethiopia. However, the supplemental supply of power from Ethiopia does not always satisfy Djibouti's demand for power. According to USAID's Energy sector overview for Djibouti, Djibouti has the potential to generate more than 300MW of electrical power from renewable energy sources, and much more from other resources. Based on 2020 data, Djibouti's national electrification rate reached 42%,.
Hassan Shahriar was a Bangladeshi journalist, columnist, and political analyst.
Energy use and development in Africa varies widely across the continent, with some African countries exporting energy to neighbors or the global market, while others lack even basic infrastructures or systems to acquire energy. The World Bank has declared 32 of the 48 nations on the continent to be in an energy crisis. Energy development has not kept pace with rising demand in developing regions, placing a large strain on the continent's existing resources over the first decade of the new century. From 2001 to 2005, GDP for over half of the countries in Sub Saharan Africa rose by over 4.5% annually, while generation capacity grew at a rate of 1.2%.
Blatchford is a carbon neutral community being developed on the site of the decommissioned City Centre Airport in Edmonton, Alberta. With an area of 2.17 km2 (0.84 sq mi), Blatchford is approximately the size of Edmonton's downtown core. It is planned to be a medium-high density neighbourhood which will rely on renewable energy and a district energy sharing system, contain two LRT stations, and be carbon neutral.
Most of Kenya's electricity is generated by renewable energy sources. Access to reliable, affordable, and sustainable energy is one of the 17 main goals of the United Nations’ Sustainable Development Goals. Development of the energy sector is also critical to help Kenya achieve the goals in Kenya Vision 2030 to become a newly industrializing, middle-income country. With an installed power capacity of 2,819 MW, Kenya currently generates 826 MW hydroelectric power, 828 geothermal power, 749 MW thermal power, 331 MW wind power, and the rest from solar and biomass sources. Kenya is the largest geothermal energy producer in Africa and also has the largest wind farm on the continent. In March 2011, Kenya opened Africa's first carbon exchange to promote investments in renewable energy projects. Kenya has also been selected as a pilot country under the Scaling-Up Renewable Energy Programmes in Low Income Countries Programme to increase deployment of renewable energy solutions in low-income countries. Despite significant strides in renewable energy development, about a quarter of the Kenyan population still lacks access to electricity, necessitating policy changes to diversify the energy generation mix and promote public-private partnerships for financing renewable energy projects.
Renewables supply a quarter of energy in Turkey, including heat and electricity. Some houses have rooftop solar water heating, and hot water from underground warms many spas and greenhouses. In parts of the west hot rocks are shallow enough to generate electricity as well as heat. Wind turbines, also mainly near western cities and industry, generate a tenth of Turkey’s electricity. Hydropower, mostly from dams in the east, is the only modern renewable energy which is fully exploited. Hydropower averages about a fifth of the country's electricity, but much less in drought years. Apart from wind and hydro, other renewables; such as geothermal, solar and biogas; together generated almost a tenth of Turkey’s electricity in 2022. Türkiye has ranked 5th in Europe and 12th in the world in terms of installed capacity in renewable energy. The share of renewables in Türkiye’s installed power reached to 54% at the end of 2022.
Hungary is a member of the European Union and thus takes part in the EU strategy to increase its share of renewable energy. The EU has adopted the 2009 Renewable Energy Directive, which included a 20% renewable energy target by 2020 for the EU. By 2030 wind should produce in average 26-35% of the EU's electricity and save Europe €56 billion a year in avoided fuel costs. The national authors of Hungary forecast is 14.7% renewables in gross energy consumption by 2020, exceeding their 13% binding target by 1.7 percentage points. Hungary is the EU country with the smallest forecast penetration of renewables of the electricity demand in 2020, namely only 11%.
United Nations Framework Classification for Resources (UNFC) is an international scheme for the classification, management and reporting of energy, mineral, and raw material resources. United Nations Economic Commission for Europe's (UNECE) Expert Group on Resource Management (EGRM) is responsible for the development promotion and further development of UNFC.
The Energy Regulators Association of East Africa (EREA) is a non-profit organisation mandated to spearhead harmonisation of energy regulatory frameworks, sustainable capacity building and information sharing among the List of energy regulatory bodies in the East African Community. Its key objective is to promote the independence of national regulators and support the establishment of a robust East African energy union.
The Olkaria VII Geothermal Power Station, also known as the Olkaria VII Geothermal Power Plant, is a proposed geothermal power station in Kenya. The feasibility studies which will inform the design and generation capacity of this renewable energy infrastructure is ongoing, as of March 2022. The proposed generation capacity ranges from 83 megawatts, to 140 megawatts. The plant is owned and under development by Kenya Electricity Generating Company (KenGen), the electricity generation parastatal in Kenya.
