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GDS Holdings (NASDAQ: GDS) lifts renewables to 60% and secures MSCI AAA ESG rating

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6-K

Rhea-AI Filing Summary

GDS Holdings Limited released its 2025 Sustainability Report, highlighting major gains in renewable energy use and third-party ESG ratings. Renewable energy supplied 60% of its power in 2025, with direct green power purchases rising over 60% year-over-year and representing 75% of total renewable sources.

The company improved average Power Usage Effectiveness from 1.24 in 2024 to 1.23, and 90% of self-developed data centers now meet green building standards, with 45 certified green. These initiatives contributed to a 23.1% reduction in carbon intensity versus 2023. GDS launched a pilot converting recycled waste cooking oil to biodiesel for backup power, cutting lifecycle emissions by over 90%, and earned China’s first Zero Waste to Landfill Management Performance Certification for its Shanghai Pujiang campus. Externally, its MSCI ESG rating was upgraded from A to AAA, it maintained a CDP B rating, was included in the S&P CSA Rating 2025 Yearbook, and retained Moody’s NZA-2 Net Zero Assessment rating, supporting its 2030 carbon neutrality goal.

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Renewable energy usage rate 60% Share of total energy consumption in 2025
Increase in direct green power purchases over 60% Year-over-year growth in 2025
Share of renewables from direct green power 75% Portion of total renewable sources in 2025
Average Power Usage Effectiveness 1.23 Improved from 1.24 in 2024
Self-developed data centers meeting green standards 90% Portion of self-developed data centers in 2025
Certified green data centers 45 Number of data centers certified green
Carbon intensity reduction 23.1% Reduction versus baseline year 2023
Emission cut from biodiesel vs diesel over 90% Lifecycle carbon emissions reduction using biodiesel
Power Usage Effectiveness (PUE) technical
"The Company improved its average Power Usage Effectiveness (PUE) from 1.24 in 2024"
Power Usage Effectiveness (PUE) is a simple ratio that compares the total energy consumed by a data center (including cooling, lighting and other facility systems) to the energy used solely by the servers and networking equipment. For investors, a lower PUE means less energy is wasted — like a car that gets more miles per gallon — which usually translates into lower operating costs, smaller sustainability risks and a clearer picture of infrastructure efficiency.
circular economy financial
"On the circular economy front, GDS launched China’s first pilot program"
A circular economy is a way of designing and using products so that materials are reused, repaired, or recycled rather than discarded as waste. It mimics natural systems where resources are continually reused, reducing environmental impact and conserving resources. For investors, it represents an opportunity to support sustainable businesses that focus on efficiency and long-term resource management.
Zero Waste to Landfill Management Performance Certification regulatory
"earned China’s first Zero Waste to Landfill Management Performance Certification"
MSCI ESG rating financial
"achieved a landmark upgrade in its MSCI ESG rating from A to AAA"
An MSCI ESG Rating is a standardized score that evaluates a company’s exposure to environmental, social and governance risks and how well it manages them compared with peers. Investors use it like a credit score for non-financial risks—helping judge whether a firm is likely to face reputational, regulatory or operational problems that could hurt returns over time, and to align portfolios with sustainability goals.
Net Zero Assessment financial
"retained its Moody’s NZA-2 (Net Zero Assessment) rating"
An assessment that evaluates a company’s plan and progress toward reaching net zero greenhouse gas emissions, including current emissions, reduction targets, timelines, and the methods used (reductions, offsets, or removals). It acts like a roadmap check: it looks at whether the steps are concrete, measurable and governed, and whether assumptions are realistic. Investors use it to gauge transition risks, regulatory exposure, and how climate actions might affect future costs, revenues and valuation.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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FAQ

What key sustainability milestone did GDS (GDS) report for 2025?

GDS reported achieving an upgraded MSCI ESG rating of AAA in 2025, up from A. This top-tier rating reflects improved renewable energy use, data center efficiency, circular economy initiatives, and governance aligned with its 2030 carbon neutrality target.

How much renewable energy did GDS (GDS) use in 2025?

In 2025, GDS raised its renewable energy usage rate to 60% of total power consumption. Direct green power purchases increased by over 60% year-over-year and accounted for 75% of the company’s total renewable energy sources.

What carbon intensity reduction did GDS (GDS) achieve by 2025?

GDS achieved a 23.1% reduction in carbon intensity compared to its 2023 baseline year. This improvement was driven by higher renewable energy usage, better Power Usage Effectiveness, and broader adoption of green building standards across its data center portfolio.

How efficient are GDS (GDS) data centers according to the 2025 report?

GDS improved its average Power Usage Effectiveness (PUE) from 1.24 in 2024 to 1.23 in 2025. Additionally, 90% of its self-developed data centers meet green building standards, with 45 facilities certified as green buildings.

What circular economy initiatives did GDS (GDS) highlight for 2025?

GDS launched China’s first pilot converting recycled waste cooking oil into biodiesel for backup power, cutting lifecycle emissions by over 90% versus conventional diesel. Its Shanghai Pujiang Data Center Campus also received China’s first Zero Waste to Landfill Management Performance Certification.

What other ESG ratings did GDS (GDS) report besides MSCI AAA?

Beyond its MSCI AAA ESG rating, GDS maintained a B rating in its CDP assessment, was included in the S&P CSA Rating 2025 Yearbook, and retained its Moody’s NZA-2 Net Zero Assessment rating for GHG ambition, implementation, and governance.

 

 

 

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 

FORM 6-K

 

Report of Foreign Private Issuer

Pursuant to Rule 13a-16 or 15d-16 of

the Securities Exchange Act of 1934

 

For the month of July 2026

 

Commission File Number: 001-37925

 

GDS Holdings Limited

(Registrant’s name)

 

F4/F5, Building C, Sunland International

No. 999 Zhouhai Road

Pudong, Shanghai 200137

People’s Republic of China

(Address of principal executive offices)

 

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F:

 

Form 20-F   x     Form 40-F   ¨

 

 

 

 

 

 

EXHIBITS

 

99.1 Press release — GDS Releases 2025 Sustainability Report, Achieving MSCI AAA Rating

 

2

 

 

SIGNATURES

 

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

 

  GDS Holdings Limited
     
Date: July 28, 2026 By: /s/ William Wei Huang
  Name: William Wei Huang
  Title: Chief Executive Officer

 

3

 

 

Exhibit 99.1

 

GDS Releases 2025 Sustainability Report, Achieving MSCI AAA Rating

 

SHANGHAI, China, July 28, 2026 (GLOBE NEWSWIRE) -- GDS Holdings Limited (“GDS Holdings”, “GDS” or the “Company”) (NASDAQ: GDS; HKEX: 9698), a leading developer and operator of high-performance data centers in China, today released its 2025 Sustainability Report, demonstrating accelerated progress across its decarbonization roadmap and sustainability performance.

 

In 2025, GDS raised its renewable energy usage rate to 60%, with the volume of direct green power purchases up over 60% year-over-year and accounting for 75% of total renewable sources. The Company improved its average Power Usage Effectiveness (PUE) from 1.24 in 2024 to 1.23, and 90% of its self-developed data centers meet green building standards, with 45 data centers now certified green. These efforts contributed to a 23.1% reduction in carbon intensity compared to baseline year 2023. On the circular economy front, GDS launched China’s first pilot program that converts recycled waste cooking oil into biodiesel for backup power systems, cutting lifecycle carbon emissions by over 90% versus conventional diesel, and its Shanghai Pujiang Data Center Campus has earned China’s first Zero Waste to Landfill Management Performance Certification. Both are key pillars underpinning GDS’s path to net-zero emissions.

 

Notably, GDS achieved a landmark upgrade in its MSCI ESG rating from A to AAA, the highest tier possible, affirming its industry-leading sustainability performance. The Company also maintained a B rating in its CDP assessment, secured inclusion in the S&P CSA Rating 2025 Yearbook, and retained its Moody’s NZA-2 (Net Zero Assessment) rating, which validates its performance in Greenhouse Gas (GHG) Ambition, Implementation, and Governance, remaining the only data center company in the world to successfully pass this net-zero assessment.

 

“Our 2025 performance reflects both the depth of our commitment and the tangible outcomes of our efforts to integrate sustainability principles across our operations,” said Mr. William Huang, Chairman and CEO of GDS. “From deploying renewable energy to implementing breakthrough circular practices and achieving top-tier ratings, we continue to build a green intelligent infrastructure platform that drives long-term value and industry advancement. We remain firmly committed to our 2030 carbon neutrality goal and are confident in the path we are charting.”

 

 

 

 

To view the report in full, please visit the Sustainability section on the GDS corporate website or access the report at:

 

https://c.gds-services.com/esg2025/docs/2025_ESG_Report_EN.pdf

 

About GDS Holdings Limited

 

GDS Holdings Limited (NASDAQ: GDS; HKEX: 9698) is a leading developer and operator of high-performance data centers in China. The Company’s facilities are strategically located across the key hubs where demand for high-performance data center services is concentrated. The Company’s data centers have large net floor area, high power capacity, density and efficiency, and multiple redundancies across all critical systems. The Company is carrier and cloud-neutral, which enables its customers to access the major telecommunications networks, as well as the largest PRC and global public clouds, which are hosted in many of its facilities. The Company has a 26-year track record of service delivery, successfully fulfilling the requirements of some of the largest and most demanding customers for outsourced data center services in China. The Company’s customer base consists predominantly of hyperscale cloud service providers, large internet companies, financial institutions, telecommunications carriers, IT service providers, and large domestic private sector and multinational corporations. The Company also holds a minority equity interest in DayOne Data Centers Limited, an independent Singapore-headquartered hyperscale data center platform.

 

For investor and media inquiries, please contact:

 

GDS Holdings Limited

Laura Chen

Phone: +86 (21) 2029-2203

Email: ir@gds-services.com

 

Piacente Financial Communications

Ross Warner

Phone: +86 (10) 6508-0677

Email: GDS@tpg-ir.com

 

Brandi Piacente

Phone: +1 (212) 481-2050

Email: GDS@tpg-ir.com

 

GDS Holdings Limited

 

 

 

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