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- Substation / Converter7,614
- Oil & Gas Field7,055
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- Cement Plant3,513
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Chokepoints
Japan · asset class
Cement Plants in Japan
Japan has 31 cement plants mapped on the OverWatts open energy atlas — the 19th-largest fleet of the 149 countries that hold any, and 0.9% of the world's mapped total. Of these, 30 operating.
The largest owner-operators are Taiheiyo Cement Corp (11), UBE Corp (8) and Mitsubishi Materials Corp (7) — Taiheiyo Cement Corp alone is named on 35% of them. Half of Japan's cement plants in service predate 1955 (median commissioning year of the 26 with a known date) and the oldest still listed is Hitachi Cement Honsha Kojo Cement Plant, dating from 1907. They account for 4% of every energy asset OverWatts maps in Japan.
On the interactive map
Who owns Japan's cement plants
- Taiheiyo Cement Corp11 35%
- UBE Corp8 26%
- Mitsubishi Materials Corp7 23%
- Mitsubishi UBE Cement Corp7 23%
- Sumitomo Osaka Cement Co Ltd6 19%
- ASO CEMENT Co Ltd2 6%
- ASO Corp2 6%
- Nippon Steel Corp2 6%
Counts an asset once per company named as its owner or operator; a joint venture counts for each partner.
When they were built
- 1900s1
- 1910s1
- 1920s3
- 1930s5
- 1950s7
- 1960s8
- 1970s1
Median commissioning year 1955 · oldest Hitachi Cement Honsha Kojo Cement Plant (1907) · newest Hachinohe Cement Hachinohe Cement Plant (1977) · 26 of 31 carry a start date
How Japan compares · cement plants by country
- 1. China1,094
- 16. Mexico38
- 17. South Korea34
- 18. Pakistan32
- 19. Japan31
- 20. Iraq30
- 21. Egypt27
- 22. Philippines27
Frequently asked
- How many cement plants are there in Japan?
- OverWatts maps 31 cement plants in Japan — 0.9% of the world's mapped total, the 19th-largest national fleet of the 149 countries with any.
- Who owns the cement plants in Japan?
- Taiheiyo Cement Corp is named as owner or operator on the most — 11 of 31 (35%). Next are UBE Corp (8), Mitsubishi Materials Corp (7) and Mitsubishi UBE Cement Corp (7).
- How old are Japan's cement plants?
- The median commissioning year is 1955, across the 26 in service with a known start date. The oldest still listed is Hitachi Cement Honsha Kojo Cement Plant (1907).