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Secondary marketplace / Trade private companies

Browse Clean Energy Companies

Clean Energy technologies seek to enable renewable, zero-emission possibilities. These innovations span various energy resources, including solar, wind, water, geothermal, bioenergy, and nuclear. Register today to discover how Forge can help you buy and sell private shares.

Register to add companies to your watchlist and get access to bids/asks activity, last matched price and trade eligibility details.

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Energy
All Consumer & Lifestyle Education Energy Enterprise Software Fintech Foodtech Healthcare Industrial Real Estate Technology Hardware Transportation
Clean Energy
All Clean Energy Energy Efficiency Energy Storage Other Energy
Post-Money Valuation
All Less than $500MM $500MM to $1B $1B to $5B More than $5B
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Energy
All Consumer & Lifestyle Education Energy Enterprise Software Fintech Foodtech Healthcare Industrial Real Estate Technology Hardware Transportation
Clean Energy
All Clean Energy Energy Efficiency Energy Storage Other Energy
Post-Money Valuation
All Less than $500MM $500MM to $1B $1B to $5B More than $5B
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Active Market Forge Price1 Last Funding Round Trade Eligibility
Company Sector & Subsector Market Activity4 Highest Bid Lowest Ask Last Matched +/- to LFR $ Total Bids $ Total Asks # Bids # Asks Current Price 6-month 1-year Total Funding Round Date Amount Raised Post-Money Valuation3 Price Key Investors Common Preferred Fund
Helion EnergyEnergy
Clean Energy		Limited$xx.xx$xx.xx$xx.xxxx%$xx.xx$xx.xxxxxxNot available----$2.02BSeries G-14/23/2026$500.34MM$15B$179.52Thrive Capital
Fervo EnergyEnergy
Clean Energy		Limited$xx.xx$xx.xx$xx.xxxx%$xx.xx$xx.xxxxxxNot available----$1.02BSeries E-112/10/2025$443.98MM$2.86B$8.17B Capital, AllianceBernstein, Atacama Ventures, Carbon Equity, Climate First, Google, Mitsui & Co., Kris Singh, JB Straubel, Breakthrough Energy Ventures, CalSTRS, Capricorn Investment Group, Centaurus Capital, Congruent Ventures, CPP Investments, DCVC, Devon Energy, Echelon, Galvanize Climate Solutions, Impact Science Ventures, Liberty Mutual Investments, Marunouchi Innovation Partners, Mercuria, Mitsubishi Heavy Industries, Sabanci Climate Ventures
Commonwealth FusionEnergy
Clean Energy		Limited$xx.xx$xx.xx$xx.xxxx%$xx.xx$xx.xxxxxxNot available------Not available----------
TAE TechnologiesEnergy
Clean Energy		Medium$xx.xx$xx.xx$xx.xxxx%$xx.xx$xx.xxxxxx$45.00+0.00%+137.72%$1.19BSeries 126/2/2025$150MM$2.9B$50.00Chevron, Alphabet, New Enterprise Associates
X-energyEnergy
Clean Energy		Limited$xx.xx$xx.xx$xx.xxxx%$xx.xx$xx.xxxxxxNot available------Not available----------
TwelveEnergy
Clean Energy		Limited$xx.xx$xx.xx$xx.xxxx%$xx.xx$xx.xxxxxx$2.07-48.51%-57.67%$389.51MMSeries C-44/15/2025$2.5MM$1.32B$4.90TPG, DCVC, Pulse Fund, Amazon, Mitsui & Co., Advantage Partners, Greycroft, 2551 Capital, TGVP
Electric HydrogenEnergy
Clean Energy		Limited$xx.xx$xx.xx$xx.xxxx%$xx.xx$xx.xxxxxxNot available----$545.57MMSeries C-15/23/2025$979,980.31$1.39B$6.89Undisclosed Investors
Rondo EnergyEnergy
Clean Energy		Limited$xx.xx$xx.xx$xx.xxxx%$xx.xx$xx.xxxxxxNot available----$273.8MMSeries B12/27/2024$157.88MM$546.94MM$11.33Undisclosed Investors
RadiantEnergy
Clean Energy		Limited$xx.xx$xx.xx$xx.xxxx%$xx.xx$xx.xxxxxxNot available----$524.75MMSeries D12/17/2025$300MM$1.81B$42.32Draper Associates, BoostVC, Founders Fund, ARK Venture Fund, Chevron Technology Ventures
Last EnergyEnergy
Clean Energy		Limited$xx.xx$xx.xx$xx.xxxx%$xx.xx$xx.xxxxxxNot available----$168.58MMSeries C12/16/2025$104.58MM$617.4MM$19.11Astera Institute, JAM Fund, GigaFund, The Haskell Company, AE Ventures, Ultranative, Galaxy Interactive, Woori Technology Investment
AetherfluxEnergy
Clean Energy		Limited$xx.xx$xx.xx$xx.xxxx%$xx.xx$xx.xxxxxxNot available----$365MMSeries B4/17/2026$275MM$2B$8.28Undisclosed Investors
PersefoniEnergy
Clean Energy		Limited$xx.xx$xx.xx$xx.xxxx%$xx.xx$xx.xxxxxxNot available----$209.71MMSeries C-34/21/2026$17.4MM$531.71MM$8.69Undisclosed Investors
Zap EnergyEnergy
Clean Energy		Limited$xx.xx$xx.xx$xx.xxxx%$xx.xx$xx.xxxxxxNot available----$194.59MMSeries C6/22/2022$160.61MM$674.07MM$82.43LowerCarbon Capital, Breakthrough Energy Ventures, Shell Ventures, DCVC, Valor Equity Partners, Addition, Energy Impact Partners, Chevron Technology Ventures
Aalo AtomicsEnergy
Clean Energy		Limited$xx.xx$xx.xx$xx.xxxx%$xx.xx$xx.xxxxxxNot available----$133.26MMSeries B8/19/2025$100MM$442.57MM$14.38Valor Equity Partners, Fine Structure Ventures, Hitachi Ventures, Crosscut, NRG Energy, Vamos Ventures, Tishman Speyer, Kindred Ventures, 50Y, Harpoon Ventures, Crescent Enterprises, Alumni Ventures, MCJ, Gaingels, Perpetual VC, Nucleation Capital
MainspringEnergy
Clean Energy		Low$xx.xx$xx.xx$xx.xxxx%$xx.xx$xx.xxxxxxNot available----$790.55MMSeries FF4/14/2025$114.94MM$929.21MM$3.72General Catalyst, Amazon, DCVC, Temasek, Marunouchi Innovation Partners, M&G Investments, Pictet Group, Lightrock, LGT Group, Khosla Ventures, Gates Frontier
AmogyEnergy
Clean Energy		Limited$xx.xx$xx.xx$xx.xxxx%$xx.xx$xx.xxxxxxNot available----$256.77MMSeries B-21/15/2025$49.9MM$684.56MM$26.15Aramco Ventures, SV Investment, Samsung Heavy Industries, BHP Ventures, Hanwha Investment & Securities, AFW Partners, Quantum Ventures Korea, Kibo Invest, Seoul Investment Partners, Temasek, MOL Switch, Yanmar Ventures, AP Ventures, Marunouchi Innovation Partners
TorusEnergy
Clean Energy		Limited$xx.xx$xx.xx$xx.xxxx%$xx.xx$xx.xxxxxxNot available----$132.07MMSeries B9/9/2025$75MM$535.45MM$3.25Magnetar
WatershedEnergy
Clean Energy		Low$xx.xx$xx.xx$xx.xxxx%$xx.xx$xx.xxxxxxNot available----$199.51MMSeries C12/22/2025$114.96MM$1.85B$9.76Greenoaks, Kleiner Perkins, Sequoia Capital, Elad Gil, Emerson Collective, Galvanize Climate Solutions, Neo
Xcimer EnergyEnergy
Clean Energy		Limited$xx.xx$xx.xx$xx.xxxx%$xx.xx$xx.xxxxxxNot available------Not available----------
XpansivEnergy
Clean Energy		Limited$xx.xx$xx.xx$xx.xxxx%$xx.xx$xx.xxxxxxNot available------Not available----------
Zeno PowerEnergy
Clean Energy		Limited$xx.xx$xx.xx$xx.xxxx%$xx.xx$xx.xxxxxxNot available------Not available----------
Dandelion EnergyEnergy
Clean Energy		Limited$xx.xx$xx.xx$xx.xxxx%$xx.xx$xx.xxxxxxNot available----$624.82MMSeries C9/24/2024$40MM$190.96MM$1.70GV, Collaborative Fund, LenX, Breakthrough Energy Ventures, NGP
Lunar EnergyEnergy
Clean Energy		Limited$xx.xx$xx.xx$xx.xxxx%$xx.xx$xx.xxxxxxNot available----$278.26MMSeries D-12/4/2026$93.8MM$452.15MM$1.71Activate Capital, B Capital, Prelude Ventures
AmpleEnergy
Clean Energy		Limited$xx.xx$xx.xx$xx.xxxx%$xx.xx$xx.xxxxxxNot available----$586.78MMSeries C-31/29/2025$293.48MM$1.21B$33.52Undisclosed Investors
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  1. Forge Price™ is a custom data-point calculated and disseminated by Forge Data LLC (“Forge Data”) and is a mark of Forge Data. Forge Price may rely on a very limited number of inputs in its calculation. Forge Price is prepared and disseminated solely for informational purposes. Redistribution is permitted solely with Forge’s written consent. While Forge has obtained information from sources it believes to be reliable, Forge does not perform an audit or undertake any duty of due diligence or independent verification of any information it receives. Forge does not guarantee the accuracy, completeness, timeliness, or availability of Forge Price, and are not responsible for any errors or omissions, regardless of the cause, or any results obtained from the use of Forge Price. Forge Price is derived from secondary activity on the Forge platform and other private market trading platforms, and other publicly-available datapoints collected by Forge. Forge Price is not intended to, and does not necessarily, represent the market price of any securities (I.e., the price at which you could buy or sell such securities). Neither reference to company names, nor calculation of Forge Price for a specific company, implies any affiliation between Forge and that company, any endorsement or sponsorship by Forge of any company or vice versa, or any partnership, joint venture or other commercial relationship between Forge and any company. Rights with respect to any company marks referred to herein are owned by the company. The dollar-figure and percentage displayed indicates the per share change in dollar amount and percentage since the most recent Forge Price change. Percentages are rounded to the nearest whole number.

  2. The dollar-figure and percentage displayed indicates the per share change in dollar amount and percentage since the most recent Forge Price change. Percentages are rounded to the nearest whole number.

  3. Post-Money Valuation (valuation) represents the estimated valuation based on company-submitted Certificates of Incorporations (COIs).

  4. Market activity indicates the level of activity for a company based on recent IOIs, secondary transactions, and pending transactions.

Sector and subsector descriptions focus primarily on the types of companies within the respective sectors and subsectors that are typically available through Forge Markets. Any sector or subsector as a whole may include companies that participate in business lines in other sectors or subsectors. Companies are classified into sectors and subsectors according to the problem(s) they seek to solve rather than the method by which the solution is delivered.