Mon. Apr 27th, 2026

Hanul Nuclear Power Plant

Hanul Nuclear Power Plant is one of the largest suppliers of electricity not only within South Korea. It currently has a total of six reactors in operation, with more under construction. In this respect, it is surpassed only by the Kori Nuclear Power Plant.

It is owned and operated by Korea Hydro & Nuclear Power and the reactor supplier is KEPCO/KHNP. All reactors are pressurized water reactors.

technical parameters Hanul Nuclear Power Plant

Location South Korea, North Gyeongsang Province
Owner Korea Hydro & Nuclear Power
Operator Korea Hydro & Nuclear Power
Construction began
  • 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
  • Unit 7: 10 July 2012
  • Unit 8: 19 June 2013
Commission date
  • 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
  • Unit 7: 9 June 2022
Reactor supplier KEPCO / KHNP
Reactor type PWR
Units operational
  • 1 × 968 MW
  • 1 × 969 MW
  • 2 × 997 MW
  • 1 × 999 MW
  • 1 × 998 MW
Thermal capacity
  •  1 × 2785 MWth
  • 1 × 2775 MWth
  • 3 × 2825 MWth
  • 1 × 2815 MWth
Cooling source Sea of Japan
Units under const. 2 × 1340 MW APR-1400
Units planned 2 × 1340 MW APR-1400
Capacity factor 76,63%
Nameplate capacity 5928 MW
Annual net output 39,795 GW·h (2016)

Hanul Nuclear Power Plant

Ulchin (now Hanul) 04790182 (8506930230)