Hanul Nuclear Power Plant (Korean: 한울원자력발전소) is located on the east coast of South Korea, in Bugu-ri, Buk-myeon, Uljin-gun, North Gyeongsang Province.
Hanul Nuclear Power Plant has 8 reactors, 6 reactors are already in use and 2 reactors are under construction. The current total installed capacity is one of the top 10 largest nuclear power plants in the world.
The nuclear power plant’s reactor construction plan is divided into two phases. The first phase of the six reactors has been completed, with a total installed capacity of 5,928 MW. It began construction on 26 January 1983, and opened its first reactor and started generating electricity on 10 September 1988.
Phase 2 has 4 reactors with a planned installed capacity of 5360MW. Construction of the first 2 reactors started on 10 July 2012 and 19 June 2013, and is currently under construction.
If the second phase of the plan is successfully completed, Hanul Nuclear Power Plant will become the world’s largest nuclear power plant, with a total installed capacity of 11,288 MW.

Construction began
Phase 1
- Unit 1: 26 January 1983
- Unit 2: 5 July 1983
- Unit 3: 21 July 1993
- Unit 4: 1 November 1993
- Unit 5: 1 October 1999
- Unit 6: 29 September 2000
Phase 2
- Unit 7: 10 July 2012
- Unit 8: 19 June 2013

Commission date
Phase 1
- Unit 1: 10 September 1988
- Unit 2: 30 September 1989
- Unit 3: 11 August 1998
- Unit 4: 31 December 1999
- Unit 5: 29 July 2004
- Unit 6: 22 April 2005

Hanul Nuclear Power Plant Data
- Country
- South Korea
- Region
- East Asia
- Status
- In use
- Official name
- 한울원자력발전소
- Other name(s)
- 울진 원자력발전소, 한울원자력발전소, Ulchin Nuclear Power Complex, Uljin Nuclear Power Complex
- Location
- Bugu-ri, Buk-myeon, Uljin-gun, North Gyeongsang Province, South Korea
- Owner(s)
- Korea Hydro & Nuclear Power
- Operator(s)
- Korea Hydro & Nuclear Power
- Began
- Jan-26, 1983
- Opened
- Sep-10, 1988
- Installed capacity
- 5928 MW
- Units operational
- 1 × 968 MW 1 × 969 MW 2 × 997 MW 1 × 999 MW 1 × 998 MW
- Reactor type
- PWR
- Reactor supplier
- KEPCO / KHNP
- Cooling source
- Sea of Japan (East sea of Korea)
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