Japan Nuclear Technology

9 companies | 2026-04-12 | Comparison | Supply Chain Map

Japan has 15 operating reactors out of 32 operable, with the 7th Strategic Energy Plan targeting 20% nuclear by FY2040. The $40B US-Japan BWRX-300 SMR deal (Mar 2026) and data center power demand tripling by 2034 are accelerating restarts. NRA eased anti-terrorism deadlines (Apr 2026). 60+ year reactor lifetime extensions approved.

Companies

IHI Corporation (7013.T) MEDIUM

Equipment / SMR | PE 28.94 | ROE 23.6% | FCF +¥68B

Japan's most direct SMR supply chain play: X-energy partnership (Mar 2026) positions IHI to supply fabricated nuclear co...

Hitachi (6501.T) MEDIUM

Equipment / SMR | PE 26.64 | ROE N/A | FCF +¥1,390B

Holds the most commercially advanced SMR asset globally through GE Hitachi Nuclear Energy (50/50 JV) developing the BWRX...

Japan Steel Works (5631.T) HIGH

Materials / Forgings | PE 35.28 | ROE 10.5% | FCF -¥19.7B

Near-monopoly on ultra-large nuclear-grade steel forgings (reactor pressure vessels, steam generator shells). Only manuf...

Yokogawa Electric (6841.T) HIGH

Controls / Instrumentation | PE 24.82 | ROE 12.2% | FCF +¥88B

Signed exclusive DPCS contract with Rolls-Royce SMR (Feb 2026) for global fleet control systems. CENTUM VP is the standa...

Fuji Electric (6504.T) HIGH

Nuclear Operations / Power Semi | PE 19.62 | ROE 11.8% | FCF +¥51B

95% domestic market share in nuclear radiation monitoring — every operating J-reactor is a customer. Dual theme: nuclear...

Kanadevia (7004.T) MEDIUM

Decommissioning / Waste | PE 19.62 | ROE 5.8% | FCF -¥12.8B

Only pure-play spent nuclear fuel logistics company on TSE. 40+ year track record in transport/storage casks (since 1978...

Organo Corporation (6368.T) HIGH

Nuclear Operations / Water | PE 26.42 | ROE 23.5% | FCF +¥19B

Near-monopoly on BWR condensate water treatment in Japan — IFD technology adopted in ALL BWR condensate demineralizer ve...

Kurita Water Industries (6370.T) MEDIUM

Nuclear Operations / Water | PE 38.22 | ROE 6.8% | FCF +¥25B

Dual nuclear + semiconductor water chemistry exposure. Nuclear: coolant chemistry, corrosion inhibitors, radioactive was...

Sumitomo Heavy Industries (6302.T) MEDIUM

Nuclear Medicine / Fusion | PE 20.46 | ROE 4.7% | FCF +¥11B

Only company with confirmed ITER fusion cryocooler contracts — world's largest cryocooler manufacturer. Also sole Japane...


Quick Comparison

CompanyTickerConvPEFwd PEROEOpMFCF
IHI Corporation7013.TMEDIUM28.9428.0223.6%9.1%+¥68B
Hitachi6501.TMEDIUM26.6425.37N/A11.1%+¥1,390B
Japan Steel Works5631.THIGH35.2834.3110.5%8.4%-¥19.7B
Yokogawa Electric6841.THIGH24.8220.7312.2%14.6%+¥88B
Fuji Electric6504.THIGH19.6217.1311.8%10.3%+¥51B
Kanadevia7004.TMEDIUM19.6214.095.8%2.0%-¥12.8B
Organo Corporation6368.THIGH26.4224.4723.5%21.4%+¥19B
Kurita Water Industries6370.TMEDIUM38.2221.676.8%13.7%+¥25B
Sumitomo Heavy Industries6302.TMEDIUM20.4618.634.7%4.8%+¥11B

Generated by JPstock-agent | 2026-04-12 | AI-assisted research, not investment advice