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Peak Energy

Peak Energy

Private
Burlingame, CaliforniaEnergy & Sustainabilityhttps://peakenergy.com/

Last Round

Series B

Jul 8, 2026

Est. Valuation

$555M

Total Funding Raised

$65M

Momentum

Top 1%

of companies Caplight tracks

Company Overview

Peak Energy is an energy technology company that develops and manufactures giga-scale sodium-ion energy storage solutions for grid-scale applications.

Sector

Energy & Sustainability

Verticals

Energy Storage, Renewable Energy, Smart Grid, Clean Manufacturing

Business Model

B2B

Customer Profile

Hardware Sales

AI Layer

Non-AI

Keywords

sodium-ion batterygrid-scale storageBESSbattery energy storage systemlong-duration energy storageLDESrenewable energy storagedomestic battery manufacturingNFPP batteryutility-scale storagebattery gigafactoryalternative to lithium-ionpassively cooled batteryclean energy hardware

Historical Pricing

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Caplight Momentum Score

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Peak Energy Comparables

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

Peak Energy comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Alsym Energy
83%
Form Energy
81%
Inlyte Energy
79%

Peak Energy Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series BJul 8, 2026
Corporate FundingJun 9, 2026
Series AJul 17, 2024
SeedOct 4, 2023

Key People

Founding team and executive leadership

Liam O'Connor

Co-Founder & COO

Founding Team

Paul Durkee

Chief Technology Officer, VP of Engineering, Energy Storage Systems

Executive Team

Peak Energy Investors

Notable investors and investment history

Peak Energy investors
InvestorRounds
TechEnergy VenturesSeries A
GM VenturesCorporate Funding
Xora InnovationSeries A
Scania InvestSeries A
Eclipse VenturesSeries A, Seed
Doral Energy-Tech VenturesSeries A
TDK VenturesSeed, Series A

Market signals

Structured signals derived from secondary market and firmographic data.

  • Sep 3, 2026

    Grew 19% QoQ, from 164 to 195 employees.

  • Jul 25, 2026

    Monthly visitors increased 31% MoM.

Recent news

Latest coverage and updates

  • is_developingSep 12, 2026

    Peak Energy will develop sodium-ion battery cells on Jul 1st '29.

  • is_developingSep 8, 2026

    Peak Energy is developing built-for-purpose sodium ion chemistry for grid-scale storage systems on Jun 1st '26.

  • expands_facilitiesAug 11, 2026

    Peak Energy will expand facilities to California, United States, Northern America, Americas on Jul 1st '27.

  • is_developingAug 4, 2026

    Peak Energy is developing sodium-ion battery cells generation on Jun 1st '26.

  • hiresAug 4, 2026

    Peak Energy hired Paul D. Menson as Vice President of Sales on Aug 4th '26.

Peak Energy Filings

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

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Frequently Asked Questions

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

Is Peak Energy a public or private company?

Peak Energy is a private company.

What is the current stock price of Peak Energy?

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

How much is Peak Energy worth (valuation)?

Valuation information for Peak Energy is not publicly available.

Can I buy Peak Energy stock?

Peak 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 Peak Energy's last funding round?

Peak Energy's most recent funding round was Corporate Funding on June 9, 2026.

Who are the main investors in Peak Energy?

Key investors in Peak Energy include GM Ventures, Xora Innovation.

Will Peak Energy IPO soon?

No public IPO plans have been announced for Peak Energy.

How can I track Peak Energy secondary market activity?

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

Firmographic Details

HeadquartersBurlingame, California
Employee Range138
Year Founded2023
Last FundingJul 8, 2026

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