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Asset classes
- Transmission Line80,968
- Power Plant32,429
- Substation / Converter7,614
- Oil & Gas Field7,055
- Coal / Uranium Mine5,382
- Pipeline4,951
- Cement Plant3,513
- Data Centre3,283
- Iron & Steel Plant1,293
- LNG Terminal1,198
- Grid Storage965
- Iron Ore Mine949
- Chemical Plant868
- Interconnector704
- Export Terminal519
- Refinery279
- Storage / Tank Farm38
- Oil / Commodity Contract19
- Hydrogen Project18
- Carbon Capture (CCS)16
Chokepoints
Grid Storage
Samnangjin hydroelectric plant
11th-largest grid storage in South Korea of 18 · top 62% worldwide (#596 of 965)
- Owner
- Korea Hydro & Nuclear Power (KHNP) Co Ltd
- Status
- operating
- Capacity
- 600 MW
- Technology
- pumped storage
- Commissioned
- 1985
- Also listed as
- A power plant — this site generates as well as stores
Comparable grid storages · South Korea · 18 ranked
- #1Yangyang hydroelectric plant1.0 GW
- #9Hongcheon Pumped Storage hydroelectric plant600 MW
- #10Muju hydroelectric plant600 MW
- #11Samnangjin hydroelectric plant600 MW
- #12Bonghwa Pumped Storage hydroelectric plant500 MW
- #13Geumsan Pumped Storage hydroelectric plant500 MW
Grid connection · within 50 km
- Nearest substation
- 신김해변전소
- Its voltage
- 345 kV
- Distance
- 24 km
- Strongest line nearby
- 765 kV
- Substations in range
- 15
Mapped grid infrastructure from OpenStreetMap, whose coverage is excellent in some regions and sparse in others. Nothing shown here means nothing is mappednearby — not that the site is unconnected. Lines are matched on a segment’s midpoint, so a corridor passing directly overhead can be missed; this under-reports rather than invents.
Co-located infrastructure · within 25 km
- Samnangjin hydroelectric plant0 m · Power Plant · 600 MW · hydro
- Hanil Hyundai Cement Gimhae Cement Plant12 km · Cement Plant
- 765 kV line13 km · Transmission Line
- 신김해변전소24 km · Substation / Converter
- 북부산변전소24 km · Substation / Converter
On the interactive map
SOURCE: Global Energy Monitor · Global Integrated Power, March 2026 (CC BY 4.0)