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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 1%

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

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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.

Certain Energy Filings

SEC and related filings with document metadata.

Data table
TypedDateAmount OfferedAmount SoldFillingPagesDownload
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Certain Energy Filings

SEC and related filings with document metadata.

Frequently Asked Questions

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

Firmographic Details

HeadquartersLondon
Year Founded2017
Last FundingAug 26, 2026

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