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Mainspring Energy Employee Directory

Electric Power GenerationCalifornia, United States501-1000 Employees

Mainspring Energy is a power generation company based in Menlo Park, California, that designs and manufactures linear generators for local power delivery to capacity-constrained facilities and communities. Its products are used by utilities, data centers, enterprise customers, and industrial sectors. The company employs between 501 and 1,000 people and is headquartered at 3601 Haven Avenue, Menlo Park, CA 94025. In 2025 it expanded its manufacturing footprint with a 300,000-square-foot facility investment in Pittsburgh, Pennsylvania. Also in 2025, Mainspring Energy completed a Series F financing round led by General Catalyst.

Find Mainspring Energy employees' phone numbers or email addresses

Mainspring Energy Global Highlights

Location
Employees

North America
484

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  • United States Of America
    480
  • Mexico
    3
  • Canada
    1

Asia
3

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  • India
    2
  • Japan
    1

Europe
2

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  • France
    1
  • United Kingdom Of Great Britain And Northern Ireland
    1

South America
1

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  • Uruguay
    1

Mainspring Energy's Leadership

  • Vice President Engineering at Mainspring Energy
    D. U.
    Vice President Engineering
    Mobile Phone
  • Head Of Brand Marketing at Mainspring Energy
    T. R.
    Head Of Brand Marketing
    Mobile Phone
  • Head Of Project Delivery at Mainspring Energy
    B. H.
    Head Of Project Delivery
    Mobile Phone
  • Owner at Mainspring Energy
    J. F.
    Owner
    Mobile Phone
  • Senior Vice President Of Sales at Mainspring Energy
    C. B.
    Senior Vice President Of Sales
    Mobile Phone
  • Director Of Business Development at Mainspring Energy
    M. S.
    Director Of Business Development
    Mobile Phone
  • Senior Director Of Quality at Mainspring Energy
    P. P. M.
    Senior Director Of Quality
    Mobile Phone
  • Director Of Electrical And Electromechanical Engineering at Mainspring Energy
    T. L.
    Director Of Electrical And Electromechanical Engineering
    Mobile Phone

Mainspring Energy Employee Metrics

100%
50%
0%
2026
2025
  • Engineering
  • Program & Project Management
  • Manufacturing
  • Operations
  • Analytics
  • Other
  • Sales
  • Administrative
  • Business Development
  • Supply Chain

Contact profiles from Mainspring Energy

Name
Title
Contact
Location
Last Update
  • Owner at Mainspring Energy
    J. F.
    Owner
    Mobile Phone
    Oct 16, 2024
  • Senior Vice President Of Sales at Mainspring Energy
    C. B.
    Senior Vice President Of Sales
    Mobile Phone
    Bay
    Apr 10, 2026
  • Head Of Brand Marketing at Mainspring Energy
    T. R.
    Head Of Brand Marketing
    Mobile Phone
    Bay
    Jun 09, 2026
  • Head Of Project Delivery at Mainspring Energy
    B. H.
    Head Of Project Delivery
    Mobile Phone
    Aug 02, 2026
  • Vice President Engineering at Mainspring Energy
    D. U.
    Vice President Engineering
    Mobile Phone
    Jul 22, 2023
  • Director Of Business Development at Mainspring Energy
    M. S.
    Director Of Business Development
    Mobile Phone
    Bay
    Jul 15, 2026
  • Senior Director Of Quality at Mainspring Energy
    P. P. M.
    Senior Director Of Quality
    Mobile Phone
    Bay
    Apr 20, 2026
  • Director Of Electrical And Electromechanical Engineering at Mainspring Energy
    T. L.
    Director Of Electrical And Electromechanical Engineering
    Mobile Phone
    Bay
    Aug 25, 2026
  • Customer Success Manager at Mainspring Energy
    C. G.
    Customer Success Manager
    Mobile Phone
    Bay
    Aug 27, 2026
  • Senior Devops Manager at Mainspring Energy
    E. H.
    Senior Devops Manager
    Mobile Phone
    Bay
    Jun 27, 2026

Frequently Asked Questions

What is Mainspring Energy known for?

Minus sign iconPlus sign iconMainspring Energy was founded in 2010 and operates in the Electric Power Generation industry. You can contact Mainspring Energy's main corporate office by phone at
+1-650-248-****
. Explore Mainspring Energy's company overview page for more information.

What is Mainspring Energy's most common email format?

Minus sign iconPlus sign iconMainspring Energy employees' email format typically follows the pattern of First.Last@etagen.com. Trying to find reliable and up-to-date employee contact data? Find more Mainspring Energy email formats with LeadIQ.

How many employees does Mainspring Energy have currently?

Minus sign iconPlus sign iconMainspring Energy has approximately 518 employees as of August 2026. These team members are located across 4 continents, including North America, Asia and Europe.

Who are Mainspring Energy's key employees and leadership?

Minus sign iconPlus sign icon

As of August 2026, Mainspring Energy's key employees include:

  • Vice President Engineering: D. U.
  • Head Of Brand Marketing: T. R.
  • Head Of Project Delivery: B. H.
  • Owner: J. F.
  • Senior Vice President Of Sales: C. B.

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