Hanul 4 (Ulchin 4) is a 1,052MW nuclear reactor which is located within the premises of Ulchin Nuclear Power Site. It is located in North Gyeongsang, South Korea. According to GlobalData, who tracks and profiles over 170,000 power plants worldwide, the nuclear reactor is currently generating power and is in active status. The construction on the reactor commenced in Nov, 1993. The first power from the reactor was achieved in Dec, 1998. Subsequent to trial runs the reactor finally entered into commercial operation in Dec, 1999. Buy the profile here.

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Description

Hanul 4 (Ulchin 4) is a Generation II nuclear reactor developed by Combustion Engineering, Doosan Enerbility and Korea Engineering and Construction, are the main contractors for the project.

The 1,052MW reactor is owned and operated by Korea Hydro & Nuclear Power. The company has a stake of 100%.

The PWR reactor generates 6,182.87GWh/annum of electricity. It features 177 fuel assemblies in the core of reactor, the place where fission occurs and energy is released. Safety contol rods that are used to control the fission rate in the reactor are 28 in number.

Development status

The reactor construction commenced in Nov, 1993 and subsequently entered into commercial operation in Dec, 1999.

Contractors involved

Doosan Enerbility was selected as the steam turbine supplier for the nuclear reactor. The company provided 4 steam turbines for the project. KEPCO Engineering and Construction and Korea Engineering and Construction were selected as the architect engineers for the reactor. The reactor system was supplied by Doosan Heavy Industries & Construction. The reactor vessel has been supplied by Doosan Heavy Industries & Construction. The material used for the construction of the vessel is Alloyed Steel (SA508 Cl3). The civil works were carried out by DongAh Construction Industrial.

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About Doosan Enerbility

Doosan Enerbility Co Ltd (Doosan Enerbility), formerly, Doosan Heavy Industries & Construction Co Ltd is a power plant equipment manufacturer. It offers integrated equipment and solutions for power and water plants. The company’s major products include boilers, generators, engines, turbines, steam generators, nuclear reactors, material handling equipment, castings and forgings and seawater desalination plants. It also offers construction equipment and undertakes the construction of apartment complexes, roadways, power plants and industrial plants. Doosan Enerbility along with its subsidiaries, branches and affiliates operates in the Middle East, the Americas, Africa, Europe and Asia. It is a subsidiary of Doosan Corp. Doosan Enerbility is headquartered in Changwon, Yeongnam, South Korea.

About Korea Engineering and Construction

Korea Engineering and Construction Co Inc (KEPCO E&C), formerly Korea Power Engineering Co Ltd, a subsidiary of Korea Electric Power Corp, is a power plant design service provider that offers nuclear, power, and co-generation plant designs. The company provides services such as engineering and design; site selection and feasibility study; project management, construction management, quality assurance, licensing support, quality surveillance, and procurement and training of customers. It also provides technical support for plant operation and maintenance, plant performance improvement and life extension, safety analysis, plant operational simulation and decommissioning of nuclear power plant. KEPCO E&C operates transmission and distribution; energy-related, substations, environment-friendly, new airports and state construction projects. The company has its operations in China, Taiwan, the US, Bangladesh, Canada, Myanmar, the UAE, Saudi Arabia, India, Cambodia, Vietnam, Iraq and Indonesia. KEPCO E&C is headquartered in Gyeongsangbuk, South Korea.

This content was updated on 22 April 2024

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This information is drawn from GlobalData’s Power Intelligence Center, which provides detailed profiles of over 170,000 active, planned and under construction power plants worldwide from announcement through to operation across all technologies and countries worldwide.