Bangkok, Thailand, 16 December 2025 – Constant Energy has been recognized as the highest-rated performer in GRESB’s ESG assessment for solar photovoltaic worldwide (2025) and continues to lead Asia in renewable power generation. Achieving a score of 100 out of 100, the company ranks first among 26 peers in the photovoltaic sector and has also been named Infrastructure Sector Leader.
This achievement marks the fourth consecutive year that Constant Energy has earned the prestigious GRESB 5-Star Rating, placing it among the top 20% of global participants and reflecting its commitment to all three ESG pillars: environmental, social, and governance.
GRESB (Global Real Estate Sustainability Benchmark) is a leading ESG benchmark used by over 150 institutional investors to assess the environmental, social, and governance performance of real assets, including infrastructure and real estate portfolios. In 2025, GRESB evaluated 805 infrastructure assessments submitted by 186 managers across 81 countries.
Franck Constant, CEO and Founder of Constant Energy, commented:
“Being named GRESB Infrastructure Sector Leader and achieving our fourth consecutive 5-Star GRESB rating affirms the strength of our approach, integrating safety and sustainability into daily operations—not just as a requirement, but as a core part of how we work.”
Sebastien Roussotte, CEO of GRESB, said:
“Amid market uncertainty and shifting global priorities, GRESB participants continue to lead with action—demonstrating that responsible investing is not just resilient, but essential.”
As Constant Energy expands its footprint across Asia, scales its operations, and enhances its standards, it remains committed to delivering tailored solutions that help clients achieve their energy and sustainability goals with confidence and measurable impact.
[About Constant Energy]
Constant Energy is a leading developer, owner, and operator of large-scale solar, wind, and battery storage projects across Asia. Founded in 2017, Constant Energy is an affiliate of the Virya Energy Group, a global renewable energy platform operating in more than 15 countries across Europe and Asia, with a team of over 1,100 members worldwide. Specializing in the long-term development and management of high-quality renewable energy assets, Constant Energy has built a growing portfolio of over 210 MW of solar projects across Thailand, Malaysia, and Vietnam. Supported by Virya Energy’s strong financial backing and industry expertise, the company upholds the highest standards of environmental, social, and governance (ESG) performance, as reflected in its 5-star GRESB rating and Gold rating from EcoVadis. The management team brings over 30 years of experience in private power projects.
More information can be found at https://constantenergy.net/
[About GRESB]
Established in 2009, GRESB has become the leading ESG benchmark for real estate and infrastructure investments across the world. In 2022 alone, more than 1,820 real estate portfolios reported to GRESB. Our coverage for infrastructure includes more than 652 infrastructure portfolios and assets. This year Infrastructure Asset Assessment growing by 17% to include 652 assets and the GRESB Infrastructure Fund Assessment recording an 11% growth to cover 166 funds across 70 countries.
The Sector Leader designation is awarded to the entity with the highest score, or those within one point of the top score, in their specific sector and region, making it one of the most competitive and sought-after recognitions in the industry.
More information about GRESB can be found at https://www.gresb.com/nl-en/
