Super dragons – The ten biggest power stations in China

19 June 2014 (Last Updated July 3rd, 2020 00:14)

Three of the ten biggest power stations in China are hydro-based, including the gigantic Three Gorges Dam, while the other seven are coal-fired. Power-technology.com profiles the ten biggest Chinese power stations based on installed capacity.

Super dragons – The ten biggest power stations in China

Three Gorges power station

Three Gorges - 22,500MW

The Three Gorges power station located in Yichang in Hubei province is by far the world's biggest power generation facility. The 22,500MW hydroelectric power plant built on the Yangtze River was commissioned in 2003 and built by 2012. The $29bn mega power station is owned and operated by China Three Gorges Corporation through its subsidiary China Yangtze Power. The plant's annual power output, estimated at 85TWh, is supplied to nine provinces and two cities including Shanghai.

The hydropower station consists of a 181m tall and 2,335m long gravity dam and 32 turbine / generator units rated 700MW each, and two 50MW power generators. Six foreign groups including Alstom supplied equipment for the plant.

Xiluodu Hydroelectric Power Plant - 12,320MW

The Xiluodu hydroelectric power plant on Jinsha Jiang River in central Sichuan Province is China's second biggest power station and the world's third biggest. The installed capacity of the power station reached 12,320MW as of June 2014 and is expected to reach 13,860MW by the end of 2014 upon commissioning of the remaining two generating units. The project was developed by the Three Gorges Project Corporation and is expected to generate 64TWh of electricity per year when fully operational.

The $7.36bn power project broke ground in 2005 and the first turbines were commissioned in July 2013. The power station comprises of a 278m tall and 700m wide double-curvature arch dam creating a reservoir with a storage capacity of 16.5 billion cubic yards, 18 Francis turbine-generators of 770MW capacity each, and an air-cooled generator with 855.6MVA output. Voith supplied the turbines and air-cooled generator used at the plant.

Longtan hydropower station - 6,300MW

At 6,300MW, the Longtan hydropower project located on the Hongshui River in Tian'e County in Guangxi Province is China's third biggest power station and the eighth biggest hydroelectric facility in the world. The power plant, owned by Longtan Hydropower Development Company, was commissioned between 2007 and 2009 and has an estimated annual generating capacity of 18.7TWh.

The project was designed by Hydrochina Zhongnan Engineering and built by Sinohydro. A roller-compacted concrete gravity dam 216.5m in height and 832m in width was built as part of the project. The power station is operated with nine 714MW Francis turbine generators supplied by Voith, Dongfang, Harbin and Tianjin.

Longtan hydropower station

Tuoketuo Power Station - 5,400MW

The coal-fired Tuoketuo power station located in Togtoh County, Hohhot, Inner Mongolia, has a gross installed capacity of 5,400MW making it the biggest thermal power plant and the fourth biggest power generating facility in China. The power station is owned and operated by Tuoketuo Power Company, a joint venture of Datang Power (60%), Beijing Power (25%) and Huaneng Thermal Power (15%). Tuoketuo Power Company plans to expand the power station's installed capacity up to 6,000MW making it the world's biggest thermal power plant.

The coal-based power station consists of eight 600MW generating units commissioned between 2003 and 2006, and two additional 300MW units brought into production in 2011. Coal for the plant is supplied from the Junggar Coalfield located 50km away. The gpower demands of Beijing.

Waigaoqiao Power Station - 5,000MW

The Waigaoqiao Power Station located in the Pudong New Area of Shanghai is one of the four 5,000MW Chinese coal power plants ranking as the fifth biggest in the country. Shanghai Electric Power Company, a subsidiary of the state-run China Power Investment Corporation (CPIC), is the owner and operator of the Waigaoqiao coal-fired power plant. The power output of the plant is fed into the East China power grid via two 500kV transmission lines.

The power station comprises of four 300MW sub-critical, two 900MW super critical and two 1,000MW ultra supercritical generating units, which were commissioned in three phases between 1994 and 2008. The supercritical boilers and the turbines/generators were supplied by Alstom and Siemens respectively. The ultra supercritical boilers and the turbines / generators used by the plant were manufactured and supplied by Shanghai Electric under license of Alstom and Siemens. Coal for the plant is sourced from the Shenfu Dongshen coal field located in Inner Mongolia.

Waigaoqiao Power Station

Guodian Beilun power station - 5,000MW

Guodian Beilun power station located in the Beilun District of Ningbo City in Zhejiang Province, is a 5,000MW coal-fired power plant owned and operated by Guodian Zhejiang Beilun Power Generation Company, a subsidiary of state-owned China Guodian Corporation. The annual generation capacity of the thermal power plant is 27.5TWh.

The power station consists of five 600MW subcritical units and two 1,000MW ultra-supercritical generating units and was built in three phases. The Phases 1 and 2 with 1,200MW and 1,800MW capacities respectively were completed in 1996 and 2000. The Phase-3 consisting of two 1,000MW ultra-supercritical units was started in 2006 and completed in 2009. The power output of the plant is fed into the East China Power Grid via two 500KV transmission lines.

Guohua Taishan Power Plant - 5,000MW

The Guohua Taishan power plant located 50km away from the Taishan City in the Guangdong Province is a 5,000MW coal-fired power plant owned by Shenhua Guohua Power and operated by its subsidiary Guangdong Guohua Yuedian Taishan Power Company.

The plant consists of five 600MW subcritical units commissioned between 2003 and 2006 as well as two 1,000MW supercritical generating units brought into operation in 2011. Shanghai Electric supplied the turbines, boilers and generators, whereas Guangdong Electric Power Design Institute (GEDI) and the Tianjin Electric Power Construction (TEPC) were the engineering, procurement and construction (EPC) contractors for the project.

Tuoketuo Power Station

Jiaxing Power Plant - 5,000MW

The 5,000MW Jiaxing coal-fired power plant located 41km away from Jiaxing City in the Zhejiang Province has been operational since 1995. The plant was developed in three phases and is owned and operated by state-owned Zhejiang Jiaxing Power Generation Company.

The power station comprises of two 300MW subcritical units commissioned in 1995, four 600MW supercritical units commissioned in 2004-2005, and two 1,000MW ultra-supercritical generating units brought into production in 2011. The boilers, turbines and generators for all the 600MW units were supplied by Dongfang China. Harbin manufactured and supplied the ultra-supercritical boilers for the 1,000MW units, while Shanghai Electric supplied the turbines and generators for the new units.

Zouxian Power Plant - 4,400MW

The 4,400MW Zouxian coal-fired power plant in the Shandong province is owned and operated by state-owned power generation enterprise China Huadian Corporation. The plant was built in four phases the last two generating units commissioned during 2006-2007.

The power station comprises of four 300MW units, two 600MW units and two 1,000MW ultra-supercritical units. Dongfang supplied the boiler (licensed by Babcock Hitachi) and steam turbine (licensed by Hitachi) for each of the 1,000MW ultra-supercritical units commissioned as part of the fourth phase expansion of the coal-fired power station. China Gezhouba Group Company (CGGC) provided the plant design and Shandong Electric Power Construction Corporation (SEPCO) constructed the facility.

Xiluodu hydroelectric power plant

Ninghai power station - 4,400MW

Ninghai power station in Zhejiang province is a coal-fired power plant with 4,400MW installed capacity. The power plant, owned and operated by state-owned Shenhua Guohua Electric Power Corporation, was commissioned between 2005 and 2009.

The facility was built in two phases comprise of four 600MW generating units and two 1,000MW units. The turbines/generators and boilers were supplied by Shanghai Electric Power Supply Company. Chengdu Southwest Electric Power Design Institute, Kuanghai Thermal Power Construction Company and the Tianjin Electric Power Construction company were involved in the design and construction of the power station.

NRI Energy Technology