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Noon Energy

Palo Alto, US · Founded 2018 · 8 known investors

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Noon Energy develops ultra-long-duration battery storage using a reversible solid oxide fuel cell and carbon-based storage media to deliver 100+ hours of clean, firm power. Its systems target commercial and industrial operations, microgrids and islands, and data centers and grid-scale energy applications.

CleantechClimate TechDeep TechEnergy

Founders & leadership

Noon Energy was founded in 2018 by Mary Kalee Whitehouse, Chris Graves, and Kalee Whitehouse.

MK
Mary Kalee WhitehouseCo-founder
CG
Chris GravesFounder
KW
Kalee WhitehouseCo-founder
RM
Richard M. SwansonNamed on SEC filing

Board

ADAmy Duffuor
Amy DuffuorBoard ObserverCo-Founder and General Partner at Azolla Ventures

Investors · 8

Azolla Ventureslisted by Azolla VenturesCambridge

How we know: the VCSheet dataset · open dataset · 5k.vc investor directory · Not right? Tell us

Clean Energy Ventureslisted by Clean Energy VenturesBoston · $100K – $5M

How we know: Clean Energy Ventures's portfolio page · the VCSheet dataset · open dataset · 5k.vc investor directory · Not right? Tell us

Collaborative Fundlisted by Collaborative FundNew York · $500K – $1M

How we know: collabfund.com · Not right? Tell us

Prime Impact Fundlisted by Prime Impact FundCambridge · $1M – $4M

How we know: the VCSheet dataset · Not right? Tell us

TechEnergy Ventureslisted by TechEnergy VenturesBuenos Aires
Xplorer Capitallisted by Xplorer CapitalMenlo Park

How we know: Xplorer Capital's portfolio page · Not right? Tell us

Aramco Venturesreported

How we know: the VCSheet dataset · Not right? Tell us

Reported raises · per SEC filings

Form D private placements

$30.7M disclosed across 2 rounds · 2020–2022

▶$27.7MraisedDec 2022 · 31 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Richard M. SwansonDirector
  • K. Tibor TothDirector
  • Jeffrey WeissDirector
  • Christopher Ronald GravesExecutive Officer, Director, Promoter
  • Mary Kalee WhitehouseExecutive Officer, Promoter
Offering amount
$27.7M
Amount sold
$27.7M
Minimum investment
$9K
First sale
Nov 2022
Incorporated
Corporation, Delaware, 2018
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$3MraisedJan 2021 · 4 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Christopher Ronald GravesExecutive Officer, Director, Promoter
  • Richard M. SwansonDirector
  • Amy DuffuorDirector
  • Mary Kalee WhitehouseExecutive Officer, Promoter
Offering amount
$3M
Amount sold
$3M
Minimum investment
$100K
First sale
Dec 2020
Incorporated
Corporation, Delaware, 2018
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Founder mafia

3 people who came through Noon Energy went on to found or lead other companies.

Matthew NordanBoard ObserverFounded Prime CoalitionAnouck ChampsaurHead of BD & PartnershipsFounded Xl BatteriesSøren Højgaard JensenChief Scientific OfficerFounded Dynelectro

Related companies · 3

OnON.energy builds grid-safe, resilient energy infrastructure systems that integrate with existing power grids and support hospitals, data centers, and cities. The company focuses on making energy reliable, clean, abundant and affordable through AI-driven infrastructure solutions.
Our Next Energy Inc. (ONE)A company working on energy storage solutions.
Peak EnergyPeak Energy is a U.S. company that designs, manufactures, and deploys vertically integrated sodium-ion battery systems for grid-scale energy storage. It serves utilities, developers, and grid operators, relying on a domestic supply chain across the battery value chain.

Companies working in the same space as Noon Energy.

Non-dilutive funding · 3 SBIR/STTR awards

Federal grants — no equity taken
AgencyPhaseYearAmount
ARPA-EPhase II2020$250K
ARPA-EPhase I2020$250K
National Science FoundationPhase I2020$225K

Source: SBIR.gov award data (U.S. Small Business Administration). SBIR/STTR awards are competitive federal R&D grants and contracts — non-dilutive capital alongside any venture rounds above.

Frequently asked questions

What does Noon Energy do?
Noon Energy develops ultra-long-duration battery storage using a reversible solid oxide fuel cell and carbon-based storage media to deliver 100+ hours of clean, firm power. Its systems target commercial and industrial operations, microgrids and islands, and data centers and grid-scale energy applications.
Who founded Noon Energy?
Noon Energy was founded by Mary Kalee Whitehouse, Chris Graves, Kalee Whitehouse in 2018.
Who are Noon Energy's investors?
Noon Energy's investors include At One Ventures, Azolla Ventures, Clean Energy Ventures, Collaborative Fund, Prime Impact Fund, TechEnergy Ventures, Xplorer Capital, Aramco Ventures.
How much funding has Noon Energy raised?
Noon Energy has disclosed $30.7M raised across 2 rounds.
Where is Noon Energy headquartered?
Noon Energy is headquartered in Palo Alto, US.