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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
Shiroyama hydroelectric plant
28th-largest grid storage in Japan of 35 · top 82% worldwide (#783 of 965)
- Owner
- Kanagawa Prefectural Government Public Enterprises Agency Electricity Bureau
- Status
- operating
- Capacity
- 250 MW
- Technology
- pumped storage
- Commissioned
- 1965
- Also listed as
- A power plant — this site generates as well as stores
Comparable grid storages · Japan · 35 ranked
- #1Kannagawa hydroelectric plant2.8 GW
- #26Shin Narihagawa hydroelectric plant303 MW
- #27Mazegawa Daiichi hydroelectric plant288 MW
- #28Shiroyama hydroelectric plant250 MW
- #29Midono hydroelectric plant245 MW
- #30Yagisawa hydroelectric plant240 MW
Grid connection · within 50 km
- Nearest substation
- 新野田変電所
- Its voltage
- 500 kV
- Distance
- 4.9 km
- Strongest line nearby
- 500 kV
- Line operator
- 東京電力パワーグリッド
- Substations in range
- 7
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
- Shiroyama hydroelectric plant0 m · Power Plant · 250 MW · hydro
- 新野田線4.7 km · Transmission Line
- Saito Gas Pipeline4.7 km · Pipeline
- 500 kV line4.9 km · Transmission Line
- 新野田変電所4.9 km · Substation / Converter
- 新京葉線6.1 km · Transmission Line
- 新古河変電所17 km · Substation / Converter
- Saihoku Trunk Line19 km · Pipeline
- Second Joso Gas Pipeline20 km · Pipeline
- 新筑波変電所24 km · Substation / Converter
On the interactive map
Portfolio
Watercourse: Sakai River
SOURCE: Global Energy Monitor · Global Integrated Power, March 2026 (CC BY 4.0)