Tech Company Financing Transactions

Mainspring Energy Funding Round

On 5/5/2021, Mainspring Energy announced $95 million in Series D funding from Devonshire Investors, 40 North Management and American Electric Power.

Transaction Overview

Company Name
Announced On
Transaction Type
Venture Equity
Series D
Proceeds Purpose
Proceeds purposes were not disclosed.

Company Information

Company Status
Private & Independent
Energy & Battery
Mailing Address
3601 Haven Ave.
Menlo Park, CA 94025
Email Address
Mainspring was founded in 2010 by three Stanford engineers seeking a new approach to generating clean, resilient, affordable electricity. Their research into high-efficiency methods of converting fuel to electricity led to the founding of the company and the development and prototype of their first linear generator. They also built a culture of collaboration and innovation.
Mainspring Energy LinkedIn Company Profile
Social Media
Mainspring Energy Company Twitter Account
Company News
Mainspring Energy News
Mainspring Energy on Facebook
Mainspring Energy on YouTube

Management Team

Email & Social
Chief Executive Officer
Shannon Miller
  Shannon Miller LinkedIn Profile  Shannon Miller Twitter Account  Shannon Miller News  Shannon Miller on Facebook
Chief Operating Officer
David DeGraaff
  David DeGraaff LinkedIn Profile  David DeGraaff Twitter Account  David DeGraaff News  David DeGraaff on Facebook
Chief Technical Officer
Matthew Svrcek
  Matthew Svrcek LinkedIn Profile  Matthew Svrcek Twitter Account  Matthew Svrcek News  Matthew Svrcek on Facebook
VP - Bus. Development
John Igo
  John Igo LinkedIn Profile  John Igo Twitter Account  John Igo News  John Igo on Facebook
VP - Finance
Ryan Fletcher
  Ryan Fletcher LinkedIn Profile  Ryan Fletcher Twitter Account  Ryan Fletcher News  Ryan Fletcher on Facebook
VP - Operations
Ken Poczekaj
  Ken Poczekaj LinkedIn Profile  Ken Poczekaj Twitter Account  Ken Poczekaj News  Ken Poczekaj on Facebook
VP - Product Management
Yannick Roux
  Yannick Roux LinkedIn Profile  Yannick Roux Twitter Account  Yannick Roux News  Yannick Roux on Facebook
VP - Product Management
Adam Simpson
  Adam Simpson LinkedIn Profile  Adam Simpson Twitter Account  Adam Simpson News  Adam Simpson on Facebook



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