Who are noon-energy's investors?

noon-energy's investors include At One Ventures, Azolla Ventures, Clean Energy Ventures, 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.

noon-energy

Palo Alto, US · Founded 2018 · Delaware corporation · 7 known investors

noon.energy ↗

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 Christopher Ronald Graves, Mary Kalee Whitehouse, Chris Graves, and Kalee Whitehouse.

Christopher Ronald GravesCo-founder

Mary Kalee WhitehouseCo-founder

Chris GravesCo-founder

Kalee WhitehouseCo-founder

Richard M. SwansonNamed on SEC filing

Board

Amy Duffuor in 𝕏Board ObserverCo-Founder and General Partner at Azolla Ventures

Founder mafia

2 people who came through noon-energy went on to found or lead other companies.

Matthew NordanBoard ObserverFounded Prime Coalition Anouck ChampsaurHead of BD & PartnershipsFounded Xl Batteries

Investors · 7

At One VenturesMenlo Park · $100K – $5M

Azolla VenturesCambridge

Clean Energy VenturesBoston · $100K – $5M

Prime Impact FundCambridge · $1M – $4M

TechEnergy VenturesBuenos Aires

Xplorer CapitalMenlo Park

Aramco Venturesreported

Competitors · 4

by search overlap

On11 shared keywordsON.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)9 shared keywordsONE (Our Next Energy) manufactures high-performance LFP battery cells and packs in Michigan, including fast-charging cells and energy storage systems for defense, subsea, industrial, rail, and ESS applications. The company operates vertically integrated U.S. battery production from cell to system, emphasizing safety, sustainable materials, and a domestic supply chain.

Energy Storage7 shared keywordsThis appears to be a news and analysis website covering energy storage technologies, companies, and market developments rather than a company operating its own product or service.

Peak Energy7 shared keywordsPeak is an integrated energy company that builds passive grid-scale energy storage for AI data centers, utilities, and independent power producers. Its US-manufactured systems have been deployed on the grid since August 2025, with over 6 GWh contracted through 2030.

Companies competing with noon-energy for the same Google search keywords, organic and paid, via search-intersection analysis.

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.

Non-dilutive funding · 3 SBIR/STTR awards

Federal grants — no equity taken

Agency	Phase	Year	Amount
ARPA-E	Phase II	2020	$250K
ARPA-E	Phase I	2020	$250K
National Science Foundation	Phase I	2020	$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 Christopher Ronald Graves, 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, 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.