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Certain Energy

Certain Energy

Private
LondonEnergy & Sustainabilityhttps://www.certainenergy.co.uk/

Last Round

Series A

Aug 26, 2026

Est. Valuation

$16.32M

Total Funding Raised

$13.68M

Momentum

Top 5%

of companies Caplight tracks

Company Overview

Certain Energy is an energy technology company that develops manganese-based flow battery systems for long-duration energy storage.

Sector

Energy & Sustainability

Verticals

Energy Storage, Renewable Energy, Smart Grid

Business Model

B2B

Customer Profile

Hardware Sales, Services & Consulting

AI Layer

Non-AI

Keywords

long-duration energy storageLDESflow batterymanganese batterygrid-scale storagegrid stabilizationrenewable energy storageenergy storage hardwarebattery techdeep techclean energy storagegrid-connected storage

Historical Pricing

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

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Certain Energy Comparables

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

Certain Energy comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Elestor
86%
Kemiwatt
86%
XL Batteries
85%

Certain Energy Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series AAug 26, 2026
VC RoundMar 2, 2023
GrantSep 1, 2020
SeedJan 21, 2020

Certain Energy Investors

Notable investors and investment history

Certain Energy investors
InvestorRounds
IP GroupSeed
British Business BankSeries A
Innovate UKGrant
Catalytic Capital for Climate and HealthSeries A
Kiko VenturesSeed

Market signals

Structured signals derived from secondary market and firmographic data.

  • Aug 26, 2026

    $14M round led by British Business Bank.

  • Mar 2, 2023

    Raised a VC Round with Ceres Power Holdings PLC participating.

Recent news

Latest coverage and updates

  • expands_facilitiesAug 26, 2026

    Certain Energy expanded facilities to United Kingdom, Northern Europe, Europe on Aug 26th '26.

  • expands_facilitiesAug 26, 2026

    Certain Energy expanded facilities to India, Southern Asia, Asia on Aug 26th '26.

  • receives_financingAug 26, 2026

    Certain Energy received financing of $4.77M in Series A on Aug 26th '26.

  • is_developingAug 26, 2026

    Certain Energy is developing manganese flow batteries for long-duration energy storage on Jul 1st '17.

  • receives_financingAug 26, 2026

    Certain Energy received financing of $13.6M in Series A on Aug 26th '26.

Certain Energy Filings

Explore SEC and related filing metadata, where available.

Certain Energy filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

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Frequently Asked Questions

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

Is Certain Energy a public or private company?

Certain Energy is a private company.

What is the current stock price of Certain Energy?

Certain Energy is a private company with no public stock price. Caplight tracks Certain Energy's secondary market activity and provides MarketPrice™ estimates to Caplight users.

How much is Certain Energy worth (valuation)?

Certain Energy's valuation is estimated at $16.3M based on funding round data.

Can I buy Certain Energy stock?

Certain Energy 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 Certain Energy's last funding round?

Certain Energy's most recent funding round was Series A on August 26, 2026.

Who are the main investors in Certain Energy?

Key investors in Certain Energy include IP Group, British Business Bank.

Will Certain Energy IPO soon?

No public IPO plans have been announced for Certain Energy.

How can I track Certain Energy secondary market activity?

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

Firmographic Details

HeadquartersLondon
Year Founded2017
Last FundingAug 26, 2026

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