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South Korea · asset class

Grid Storages in South Korea

South Korea has 18 grid storages mapped on the OverWatts open energy atlas — the 11th-largest fleet of the 58 countries that hold any, and 2% of the world's mapped total. Of these, 8 operating and 10 under construction or proposed. The largest is Yangyang hydroelectric plant (1.0 GW).

The largest owner-operators are Korea Hydro & Nuclear Power (KHNP) Co Ltd (14), Korea East-West Power Co Ltd (1) and Korea South-East Power (1) — Korea Hydro & Nuclear Power (KHNP) Co Ltd alone is named on 78% of them. Half of South Korea's grid storages in service predate 2001 (median commissioning year of the 8 with a known date) and the oldest still listed is Andong hydroelectric plant, dating from 1976. 10 are in the pipeline, led by Yeongyang Pumped Storage hydroelectric plant (1.0 GW), proposed. They account for 5% of every energy asset OverWatts maps in South Korea.

See them on the map →Grid Storages worldwide →
18
Grid Storage in South Korea
#11
of 58 countries
10
In construction / proposed

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Largest grid storages in South Korea

Who owns South Korea's grid storages

Counts an asset once per company named as its owner or operator; a joint venture counts for each partner.

When they were built

Median commissioning year 2001 · oldest Andong hydroelectric plant (1976) · newest Yecheon hydroelectric plant (2011) · 8 of 18 carry a start date

Under construction & proposed

How South Korea compares · grid storages by country

Frequently asked

How many grid storages are there in South Korea?
OverWatts maps 18 grid storages in South Korea — 2% of the world's mapped total, the 11th-largest national fleet of the 58 countries with any.
What is the largest grid storage in South Korea?
Yangyang hydroelectric plant, at 1.0 GW.
Who owns the grid storages in South Korea?
Korea Hydro & Nuclear Power (KHNP) Co Ltd is named as owner or operator on the most — 14 of 18 (78%). Next are Korea East-West Power Co Ltd (1), Korea South-East Power (1) and Korea Water Resources CORP (KOWACO) (1).
How old are South Korea's grid storages?
The median commissioning year is 2001, across the 8 in service with a known start date. The oldest still listed is Andong hydroelectric plant (1976).
What new grid storages are being built in South Korea?
10 projects are under construction or proposed. The largest are Yeongyang Pumped Storage hydroelectric plant (1.0 GW), Dumusan Pumped Storage hydroelectric plant (900 MW) and Odosan Pumped Storage hydroelectric plant (900 MW).

Other asset classes in South Korea

Power Plant 230Cement Plant 34LNG Terminal 21Iron & Steel Plant 18Chemical Plant 14Export Terminal 13Refinery 4Storage / Tank Farm 2Iron Ore Mine 2Data Centre 1Coal / Uranium Mine 1

Grid Storages in other countries

China 401United States 101India 86Japan 35Spain 35Austria 26Germany 25Australia 23Italy 23Philippines 21Switzerland 17Portugal 14