Logo of KDHC | |
Founded | 1985 |
---|---|
Headquarters | Seongnam, Gyeonggi Province , South Korea |
Website | kdhc.co.kr |
Footnotes /references | |
Korean name | |
Hangul | 한국지역난방공사 |
Hanja | 韓國地域暖房公社 |
Revised Romanization | Han-guk Jiyeok Nanbang Gongsa |
McCune–Reischauer | Han'guk Chiyŏk Nanbang Kongsa |
The Korea District Heating Corporation (KDHC; Hangul : 한국지역난방공사) is a South Korean district heating company with its main office in Seongnam, South Korea. It was established as a statutory corporation in 1985 "for the purpose of dealing effectively with the United Nations Framework Convention on Climate Change by promoting energy conservation and improving living standards through the efficient use of district heating". [1] It supplied district heating services to 1.3 million South Korean households as of 2015. [2]
The Korean alphabet, known as Hangul, has been used to write the Korean language since its creation in the 15th century by King Sejong the Great. It may also be written as Hangeul following the standard Romanization.
District heating is a system for distributing heat generated in a centralized location through a system of insulated pipes for residential and commercial heating requirements such as space heating and water heating. The heat is often obtained from a cogeneration plant burning fossil fuels or biomass, but heat-only boiler stations, geothermal heating, heat pumps and central solar heating are also used, as well as heat waste from nuclear power electricity generation. District heating plants can provide higher efficiencies and better pollution control than localized boilers. According to some research, district heating with combined heat and power (CHPDH) is the cheapest method of cutting carbon emissions, and has one of the lowest carbon footprints of all fossil generation plants. Fifth generation district heat networks do not use combustion on-site and have zero emissions of CO2 and NO2 on-site; they employ heat transfer which uses electricity which may be generated from renewable energy, or from remote fossil fuelled power stations. A combination of CHP and centralized heat pumps are used in the Stockholm multi energy system. This allows the production of heat through electricity when there is an abundance of intermittent power production and cogeneration of electric power and district heating when the availability of intermittent power production is low.
Seongnam is the second largest city in South Korea's Gyeonggi Province after Suwon and the 10th largest city in the country. Its population is approximately one million. Seongnam is a satellite city of Seoul. It is largely a residential city located immediately southeast of Seoul and belongs to the Seoul National Capital Area.
Cogeneration or combined heat and power (CHP) is the use of a heat engine or power station to generate electricity and useful heat at the same time. Trigeneration or combined cooling, heat and power (CCHP) refers to the simultaneous generation of electricity and useful heating and cooling from the combustion of a fuel or a solar heat collector. The terms cogeneration and trigeneration can be also applied to the power systems generating simultaneously electricity, heat, and industrial chemicals – e.g., syngas or pure hydrogen.
SK Group, also known as SK Holdings, is one of the largest conglomerates (chaebol) in South Korea. SK Group is composed of 95 subsidiary companies that share the SK brand and culture named SKMS. It changed its name from Sunkyong Group to SK Group in 1997.
GS Group is a South Korean conglomerate. GS comprises GS Holdings, subsidiaries & affiliates including GS Caltex, GS Retail, GS Shop, GS EPS, GS Global, GS Sports and GS E&C among others. The asset size is at 31.1 trillion KRW as the end of 2007 placing GS at the 6th largest in Korea excluding the public business companies.
Songdo International Business District is a smart city or "ubiquitous city" built from scratch on 600 hectares of reclaimed land along Incheon's waterfront, 30 kilometres (19 mi) southwest of Seoul, South Korea and connected to Incheon International Airport by a 12.3-kilometre (7.6 mi) reinforced concrete highway bridge, called Incheon Bridge. Along with Yeongjong and Cheongna, it is part of the Incheon Free Economic Zone.
The China National Nuclear Corporation is a state-owned entity founded in 1955 in Beijing. CNNC's president and vice-president are appointed by the Premier of the State Council. However the CNNC is a self-supporting economic corporation, not a government administrative body. It oversees all aspects of China's civilian and military nuclear programs. According to its own mission statement, it "is a main part of the national nuclear technology industry and a leading element of national strategic nuclear forces and nuclear energy development." CNNC is a nationwide industrial conglomerate integrating science, technology, industry, and international trade.
The KSTAR is a magnetic fusion device at the National Fusion Research Institute in Daejeon, South Korea. It is intended to study aspects of magnetic fusion energy which will be pertinent to the ITER fusion project as part of that country's contribution to the ITER effort. The project was approved in 1995 but construction was delayed by the East Asian financial crisis which weakened the South Korean economy considerably; however the construction phase of the project was completed on September 14, 2007. The first plasma was achieved in June 2008.
Statkraft AS is a hydropower company, fully owned by the Norwegian state. The Statkraft Group is a generator of renewable energy, as well as Norway’s largest and the Nordic region’s third largest energy producer. Statkraft develops and generates hydropower, wind power, gas power and district heating, and is also a player in the international energy markets. The company has some 4200 employees and their headquarters is located in Oslo, Norway.
Korea Electric Power Corporation, better known as KEPCO or Hanjeon, is the largest electric utility in South Korea, responsible for the generation, transmission and distribution of electricity and the development of electric power projects including those in nuclear power, wind power and coal. KEPCO is responsible for 93% of Korea's electricity generation. The South Korean government owns a 51.11% share of KEPCO. Together with its affiliates and subsidiaries, KEPCO has an installed capacity of 65,383 MW. On the 2011 Fortune Global 500 ranking of the world's largest companies, KEPCO was ranked 271. KEPCO is a member of the World Energy Council, the World Nuclear Association and the World Association of Nuclear Operators. As of August 2011, KEPCO possesses an A+ credit rating with Fitch Ratings, while Moody's has assigned KEPCO an A1 stable rating.
Central solar heating is the provision of central heating and hot water from solar energy by a system in which the water is heated centrally by arrays of solar thermal collectors and distributed through district heating pipe networks.
The potential for exploiting geothermal energy in the United Kingdom on a commercial basis was initially examined by the Department of Energy in the wake of the 1973 oil crisis. Several regions of the country were identified, but interest in developing them was lost as petroleum prices fell. Although the UK is not actively volcanic, a large heat resource is potentially available via shallow geothermal ground source heat pumps, shallow aquifers and deep saline aquifers in the mesozoic basins of the UK. Geothermal energy is plentiful beneath the UK, although it is not readily accessible currently except in specific locations.
The Drake Landing Solar Community (DLSC) is a planned community in Okotoks, Alberta, Canada, equipped with a central solar heating system and other energy efficient technology. This heating system is the first of its kind in North America, although much larger systems have been built in northern Europe. The 52 homes in the community are heated with a solar district heating system that is charged with heat originating from solar collectors on the garage roofs and is enabled for year-round heating by underground seasonal thermal energy storage (STES).
South Korea is a major energy importer, importing nearly all of its oil needs and the second-largest importer of liquefied natural gas in the world. Electricity generation in the country mainly comes from conventional thermal power, which accounts for more than two thirds of production, and from nuclear power.
The Incheon Airport Maglev is a maglev line in South Korea opened in February 3, 2016. It is the world's second commercially operating unmanned urban maglev line after Japan's Linimo. The trains are lighter, cutting construction costs in half. The majority of construction was completed by November 2012.
Amyntaio Power Station is a coal-fired power station near Amyntaio in Western Macedonia, Greece. Build and commissioned in the mid 1980s, the power station is fuelled by lignite from the adjacent Amyntaio coal mine.
Variable refrigerant flow (VRF), also known as variable refrigerant volume (VRV), is an HVAC technology invented by Daikin Industries, Ltd. in 1982. Like ductless minisplits, VRFs use refrigerant as the cooling and heating medium. This refrigerant is conditioned by a single outdoor condensing unit, and is circulated within the building to multiple indoor units.
Solar power in Denmark contributes to a goal to use 100% renewable energy by 2050. The goal of 200 MW of photovoltaics by 2020 was reached eight years early, in 2012, and 36 MW was being installed each month. Denmark had 790 MW in late 2015. A total of 3,400 MW is expected to be installed by 2030. Many solar-thermal district heating plants exist and are planned in Denmark.
Solar energy in Finland is used primarily for water heating and by the use of photovoltaics to generate electricity. As a northern country, summer days are long and winter days are short. Above the Arctic Circle, the sun does not rise some days in winter, and does not set some days in the summer. Due to the low sun angle, it is more common to place solar panels on the south side of buildings instead of on the roof. Mounting them vertically reduces the average output by 22% from mounting at a 60° angle.
The Agency for Non-Conventional Energy and Rural Technology (ANERT) is a government agency in the Kerala, India. Its mission is gathering and disseminating knowledge about non-conventional energy, energy conservation, and rural technology. The agency was established in 1986 with its headquarters at Thiruvananthapuram.
Nepal had a total primary energy supply (TPES) of 10.29 Mtoe in 2012. Electricity consumption was 3.57 TWh. Most of this primary energy represents solid biofuels used in the residential sector . About 23% of the electricity is imported, with the rest almost completely supplied by hydroelectricity.