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Clean Planet Valuation, Funding & Investors
Clean Planet is valued at $1.2B as of June 2019.
Last Clean Planet valuation
$1.2B
Strategic investment · Jun 2019
Last Clean Planet funding round
Strategic investment
Amount undisclosed · Mar 2026
Cumulative funding Clean Planet raised
$9M
across 3 funding rounds
Key investors in Clean Planet
Mitsubishi Estate
Sankei Building
Miura
About Clean Planet
Clean Planet is a Japanese research firm developing lattice confinement fusion technology for clean heat generation without radioactive waste. Its scientists conduct experiments on gas-phase and metal-hydride systems to achieve transmutation and excess heat production. Based in Tokyo and founded on September 1, 2012, the company collaborates with universities and operates test reactors in Hokkaido. Clean Planet publishes results from quantum mechanics-based models and partners with Mitsubishi Heavy Industries for commercialization.
Founded
2012
HQ
Website
Status
Privately held
Customer focus
B2B
Revenue model
Services
Valuation
$1.2B (Jun 2019)
Clean Planet Valuation
Clean Planet is currently valued at $1.2B, based on its strategic investment round in June 2019.
The $5M round was led by Miura.
Clean Planet valuation by funding round
| Date | Stage | Valuation |
|---|---|---|
| Jun 2019 | Strategic investment | $1.2B |
Clean Planet Funding History
Clean Planet has raised a total of $9M across 3 funding rounds.
Clean Planet's first fundraising round was a $5M strategic investment round in January 2019. The most recent completed round was a strategic investment round in March 2026.
Clean Planet funding rounds
| Date | Stage | Investors | Raised | Valuation | Deal Summary |
|---|---|---|---|---|---|
| Mar 2026 | Strategic investment | Sankei Building (lead) | - | - | - |
| Jun 2019 | Strategic investment | Miura (lead) | $5M | $1.2B | Clean Planet Inc. develops clean energy technologies, focusing on new hydrogen energy as a next-generation CO2-free source nearly reaching practical use. Miura Co., Ltd., Japan's leading boiler manufacturer, invested in Clean Planet through a third-party allotment of newly issued shares on May 15, 2019, to collaborate on implementing these technologies globally for sustainable social infrastructure. Clean Planet, established in September 2012 with head office in Tokyo, had capital of ¥704.1 million plus ¥598.6 million capital surplus and 5 employees as of May 2019. |
| Jan 2019 | Strategic investment | Mitsubishi Estate (lead) | $5M | - | Clean Planet Inc. is a Tokyo-based venture company developing "New Hydrogen Energy" technology with the goal of commercializing safe, low-cost, and environmentally-friendly hydrogen energy solutions. On January 25, 2019, Mitsubishi Estate Co., Ltd. subscribed to newly issued shares of Clean Planet through a third-party allotment as part of a capital alliance to advance the commercialization of the technology. Mitsubishi Estate, a major Tokyo-based real estate and urban development company, made this investment to support Clean Planet's R&D efforts, which were being conducted in collaboration with Tohoku University. The investment aligned with Mitsubishi Estate's broader ESG and sustainable development goals, including efforts to reduce CO2 emissions and develop low-carbon cities through clean energy integration in urban development projects. |
Who has invested in Clean Planet?
3 investors have backed Clean Planet across its funding rounds, including Mitsubishi Estate, Sankei Building and Miura.
Lead investors include Sankei Building, Miura and Mitsubishi Estate.
Clean Planet Investors
| Investor | HQ | Rounds | Role | First check |
|---|---|---|---|---|
| 1 | Lead | Jan 2019 | ||
This data is available for Pro users. Sign up to see all 3 Clean Planet investors. Start Free Trial | ||||
Benchmark 350K+ Funding Rounds and Disclosed VC Valuation Multiples
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Start Free TrialClean Planet Competitors
Clean Planet competitors include listed companies like Hydrograph Clean Power and Shoals, and private ones like Electra, Climeworks, Radiant and Amogy.
| Company | HQ | Status | Revenue | EBITDA | Valuation | Revenue Multiple |
|---|---|---|---|---|---|---|
| Private | - | - | $1.2B | - | ||
| Private | - | - | $1.1B | - | ||
| Private | - | - | $1.8B | - | ||
| Private | - | - | $700M | - | ||
| Publicly listed | $43K | ($8M) | $1.4B | - | ||
| Publicly listed | $475M | $72M | $1.3B | 2.6x |
Clean Planet Public Comps
Clean Planet is still privately-owned, but its public comps include Naturenergie, Advantage Energy, JoPetrol, Birchcliff Energy, TotalEnergies EP Gabon, Copperbelt Energy, Transcorp Power, Shoals, Total Energies Marketing Maroc and Banpu Power.
| Last FY | EV/Revenue | EV/EBITDA | ||||||
|---|---|---|---|---|---|---|---|---|
| Revenue | EBITDA | Last FY | LTM | 2027E | Last FY | LTM | 2027E | |
| $1.8B | $325M | 0.7x | - | 3.8x | 5.0x | |||
| $506M | $257M | 3.6x | 3.2x | 7.1x | 5.6x | |||
| $2B | $225M | 1.2x | 1.0x | 11.2x | 12.9x | |||
| $521M | $278M | 3.2x | 2.9x | 5.9x | 4.8x | |||
| $418M | $210M | 1.5x | - | 2.9x | - | |||
| - | - | - | - | - | - | |||
| $299M | $98M | 3.8x | - | 11.6x | - | |||
| $475M | $72M | 3.2x | 2.6x | 20.9x | 12.8x | |||
This data is available for Pro users. Sign up to see all Clean Planet competitors and their valuation data. Start Free Trial | ||||||||
Common questions about Clean Planet
| When was Clean Planet founded? | Clean Planet was founded in 2012. |
| Where is Clean Planet headquartered? | Clean Planet is headquartered in Tokyo, Japan. |
| Is Clean Planet publicly listed? | No, Clean Planet is a private, VC-backed company. |
| What is Clean Planet's valuation? | Clean Planet was last valued at $1.2B in its strategic investment round in June 2019. |
| How much funding has Clean Planet raised? | Clean Planet has raised $9M across 3 funding rounds. |
| What was Clean Planet's last funding round? | Clean Planet's last funding round was a strategic investment round in March 2026, led by Sankei Building. |
| Who are Clean Planet's investors? | Clean Planet's investors include Mitsubishi Estate, Miura and Sankei Building. |
| Which companies are comparable to Clean Planet? | Companies comparable to Clean Planet include Electra, Climeworks, Radiant, Amogy, Hydrograph Clean Power and Shoals. |
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