What departments does Gemma Power Systems have?

Gemma Power Systems has employees across 7 departments including Program & Project Management, Human Resources, Sales, Civil Engineering & Construction, Analytics.

What is the largest department at Gemma Power Systems?

The largest department at Gemma Power Systems is Engineering with 6 employees.

Where are Gemma Power Systems employees located globally?

Gemma Power Systems has employees across 3 continents and 6 countries including Sweden, Belgium, Ireland, United Kingdom Of Great Britain And Northern Ireland, United States Of America.

How has Gemma Power Systems's team size changed over time?

Gemma Power Systems's team has grown from approximately 220 to 234 employees based on available data.

Gemma Power Systems Employee Directory

Q: Who are Gemma Power Systems's key employees and leadership?

Gemma Power Systems's key employees include: Co Founder Chief Executive Officer And Director: W. G., Vice President Level: K. G., President: T. T..

ConstructionConnecticut, United States201-500 Employees

Gemma Power Systems is a construction-focused engineering, procurement, and construction (EPC) company serving the power and renewable energy sectors. As a wholly owned subsidiary of Argan Inc., it provides integrated EPC services for a broad mix of projects, including gas-fired plants, solar facilities, wind farms, biofuel facilities, and environmental infrastructure. The firm has installed capacity of about 20,000 MW across its projects, and it also provides operations and maintenance services for completed facilities.

Based in Glastonbury, Connecticut, Gemma Power Systems oversees Gemma Renewable Power, which focuses on constructing utility-scale wind and solar projects and has completed 19 renewable power projects across the United States—from Massachusetts to Washington State. In 2021, Charles Collins was promoted to Chief Executive Officer of Gemma Power Systems.

Gemma Power Systems Global Highlights

North America
330

United States Of America
330

Europe
4

Sweden
1
Belgium
1
Ireland
1
United Kingdom Of Great Britain And Northern Ireland
1

South America
1

Brazil
1

Gemma Power Systems's Leadership

K. G.
Vice President Level
Mobile Phone
Email
T. T.
President
Mobile Phone
Email
W. G.
Co Founder Chief Executive Officer And Director
Mobile Phone
Email
C. C.
Senior Vice President
Mobile Phone
Email
T. S.
Project Controls Manager
Mobile Phone
Email
I. I.
Project Manager
Mobile Phone
Email
J. A.
Document Control Manager
Mobile Phone
Email
S. S.
Assistant Manager
Mobile Phone
Email

Gemma Power Systems Employee Metrics

100%

50%

0%

2026

2025

Administrative
Civil Engineering & Construction
Program & Project Management
Engineering
Quality Assurance
Other
Healthcare Services

Contact profiles from Gemma Power Systems

Name

Title

Contact Info

Location

Last Update

T. T.
President
Mobile Phone
Email
Apr 29, 2024
W. G.
Co Founder Chief Executive Officer And Director
Mobile Phone
Email
Jul 15, 2024
C. C.
Senior Vice President
Mobile Phone
Email
Oct 21, 2024
K. G.
Vice President Level
Mobile Phone
Email
Oct 22, 2024
T. S.
Project Controls Manager
Mobile Phone
Email
May 29, 2026
I. I.
Project Manager
Mobile Phone
Email
Jan 30, 2024
J. A.
Document Control Manager
Mobile Phone
Email
Oct 22, 2024
S. S.
Assistant Manager
Mobile Phone
Email
Oct 18, 2024
T. O.
Manager
Mobile Phone
Email
Oct 22, 2024
L. M.
Payroll Manager
Mobile Phone
Email
Jul 08, 2026

Frequently Asked Questions

What is Gemma Power Systems known for?

Gemma Power Systems was founded in 1997 operates in the Construction industry; you can contact the main corporate office by phone at

+1-860-659-****

. Explore Gemma Power Systems's company overview page for more information.

What is Gemma Power Systems's most common email format?

Gemma Power Systems employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Gemma Power Systems email formats with LeadIQ.

How many employees does Gemma Power Systems have currently?

Gemma Power Systems has approximately 408 employees as of July 2026. These team members are located across 3 continents, including North AmericaEuropeSouth America.

Who are Gemma Power Systems's key employees and leadership?

As of July 2026, Gemma Power Systems's key employees include:

Vice President Level: K. G.
President: T. T.
Co Founder Chief Executive Officer And Director: W. G.
Senior Vice President: C. C.
Project Controls Manager: T. S.

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Gemma Power Systems Employee Directory

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