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Quidnet

Houston, US · Delaware corporation · 20 employees on LinkedIn · 7 known investors

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Quidnet Energy develops geomechanical energy storage technology that repurposes existing oil, gas, and hydroelectric infrastructure to provide grid-scale, long-duration energy storage. The company serves utilities and grid operators seeking scalable solutions for the energy transition.

Founders & leadership

AMAaron Mandell
Aaron MandellCo-FounderVenture Partner at Prime Movers Lab
DZ
Dagong ZhouExecutive
JZJoe Zhou
Joe ZhouCEOHe previously served as director of business development at ENGIE North America, an associate at McKinsey & Company, and a process engineer at ExxonMobil. From 2022 to 2024 he sat on the board of the Long Duration Energy Storage (LDES) Council.
HS
Howard SchmidtNamed on SEC filing

Board

CKChristina Karapataki
Christina KarapatakiBoard MemberBreakthrough Energy Ventures at Breakthrough Energy Ventures
MNMatthew Nordan
Matthew NordanIndependent Board MemberCo-Founder and General Partner at Azolla Ventures
MB
Michael BiddleBoard director

Investors · 7

Reported raises · per SEC filings

Form D private placements

$18M disclosed across 2 rounds · 2018–2020

▶$10MraisedJun 2020 · 4 investors · Other
Rule 506(b)
Officers, directors & promoters on the filing
  • Michael BiddleDirector
  • Christina KarapatakiDirector
  • Matthew NordanDirector
  • Dagong ZhouExecutive Officer, Director, Promoter
  • Howard SchmidtDirector
Offering amount
$14M
Amount sold
$10M
First sale
May 2020
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$8MraisedMay 2018 · 13 investors · Other
Rule 506(b)
Officers, directors & promoters on the filing
  • Aaron MandellExecutive Officer
  • Christina KarapatakiDirector
  • Matthew NordanDirector
  • Michael BiddleDirector
  • Howard SchmidtDirector
  • Dagong ZhouExecutive Officer, Director
Offering amount
$8M
Amount sold
$8M
First sale
May 2018
Incorporated
Corporation, Delaware
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

2 people who came through Quidnet went on to found or lead other companies.

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In the news

Frequently asked questions

What does Quidnet do?
Quidnet Energy develops geomechanical energy storage technology that repurposes existing oil, gas, and hydroelectric infrastructure to provide grid-scale, long-duration energy storage. The company serves utilities and grid operators seeking scalable solutions for the energy transition.
Who founded Quidnet?
Quidnet was founded by Aaron Mandell.
Who are Quidnet's investors?
Quidnet's investors include Breakthrough Energy Ventures, Clean Energy Venture, Congruent Ventures, Helium-3 Ventures, NXT Ventures, Sorenson Impact Foundation, Clean Energy Ventures.
How much funding has Quidnet raised?
Quidnet has disclosed $18M raised across 2 rounds.
Where is Quidnet headquartered?
Quidnet is headquartered in Houston, US.