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RheEnergise

RheEnergise

Private
LondonEnergy & Sustainabilityhttps://www.rheenergise.com/

Last Round

Seed Round

Apr 7, 2026

Est. Valuation

$31.56M

Total Funding Raised

$19.8M

Momentum

Top 25%

of companies Caplight tracks

Company Overview

RheEnergise is an energy storage company that has developed a long-duration energy storage solution called High-Density Hydro™, which uses a fluid 2.5 times denser than water to generate electricity from small hills.

Sector

Energy & Sustainability

Verticals

Energy Storage, Renewable Energy, Smart Grid

Business Model

B2B

Customer Profile

Services & Consulting, Hardware Sales, Revenue Share

AI Layer

Non-AI

Keywords

long-duration energy storageLDESpumped hydro storagehigh-density hydroenergy storage technologygrid balancingrenewable energy integrationgrid stabilityenergy storage infrastructurepumped hydroenergy storage fluidutility-scale storageclean energy techenergy storage solutions

Historical Pricing

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

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RheEnergise Comparables

Compare RheEnergise with similar companies based on industry and business-model similarity.

RheEnergise comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Energy Dome
79%
Sizable Energy
78%
Quidnet Energy
77%

RheEnergise Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Seed RoundApr 7, 2026
Convertible DebtJan 23, 2026
CrowdfundingNov 1, 2025
GrantJul 2, 2025
CrowdfundingOct 25, 2024
Seed
Feb 12, 2024

Key People

Founding team and executive leadership

Tamás Bertényi

Chief Technology Officer, Co-Founder

Founding Team

RheEnergise Investors

Notable investors and investment history

Market signals

Structured signals derived from secondary market and firmographic data.

  • Aug 21, 2026

    Monthly visitors grew 97% MoM, reaching 2.4K.

  • Apr 7, 2026

    $158K Seed Round raised.

RheEnergise Filings

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RheEnergise filings preview — column headings only; records require access
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Frequently Asked Questions

Common questions about RheEnergise's valuation, stock price, and market status.

Is RheEnergise a public or private company?

RheEnergise is a private company.

What is the current stock price of RheEnergise?

RheEnergise is a private company with no public stock price. No recent secondary market data is available.

How much is RheEnergise worth (valuation)?

Valuation information for RheEnergise is not publicly available.

Can I buy RheEnergise stock?

RheEnergise shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was RheEnergise's last funding round?

RheEnergise's most recent funding round was Seed Round on April 7, 2026.

Who are the main investors in RheEnergise?

Key investors in RheEnergise include European Innovation Council, Department for Business, Energy and Industrial Strategy.

Will RheEnergise IPO soon?

No public IPO plans have been announced for RheEnergise.

How can I track RheEnergise secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor RheEnergise's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersLondon
Employee Range37
Year Founded2019
Last FundingApr 7, 2026

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