Advancing the Global Energy Ecosystem
Read more about our commitment to advancing the global energy ecosystem in the 2024 Quantum Stakeholder Report.

About Quantum
What We Do
Quantum has developed a platform of investment strategies to take advantage of the wide variety of opportunities within the global energy ecosystem. Our knowledge of energy markets and our capability to invest across the capital structure provide us with unique advantages to support our partner companies. Although we have a flexible investment mandate, we operate with a “one team” mindset.
Private Equity
We provide growth capital to leading energy and sustainability entrepreneurs.
Credit & structured capital
We offer credit-oriented solutions to private and public energy and sustainability companies.
Venture Capital

We invest in transformative energy and sustainability technology companies.
Our Portfolio
Latest News
Bloomberg Surveillance Interview with Wil VanLoh - Feb. 2025
February 25, 2025
Bloomberg Surveillance Interview with Wil VanLoh - Dec. 2024
December 16, 2024
Wil VanLoh – 2024 Hall of Fame | Hart Energy
December 2, 2024
Chuck Davidson – 2024 Hall of Fame | Hart Energy
December 2, 2024
Quantum Capital Amasses $10 Billion for Energy Bets
October 29, 2024
USC Energy Business Summit Presentation by Wil VanLoh – Oct. 2024
October 15, 2024
Lane Neal – Hart Energy 40 Under 40
October 12, 2024
Quantum Teams Looking for Acquisitions ‘Off the Beaten Path’
October 14, 2024
Private Equity Gears Up for Big Opportunities
October 4, 2024
Bloomberg Surveillance Interview with Wil VanLoh - Sept. 2024
September 27, 2024
Vickery Energy Partners Announces Partnership with Quantum Capital Group
September 24, 2024
Carlyle to sell power producer Cogentrix Energy in $3bn deal
August 5, 2024
Quantum’s Wil VanLoh on Turning ESG into E$G
May 21, 2024
Rockcliff Energy to be Acquired by TG Natural Resources
December 15, 2023
Quantum Energy Partners Expands Leadership Team
January 9, 2023
Get In Touch
Contact us to learn more about Quantum.