TTW Public Company Limited.

Sustainability at TTW
Driving Business Toward Sustainability

Highlight Performance

Governance and Economy Performance

Business Ethics and Leading Expert in a Completely Integrated Water Business

No

violations or breaches of the Company’s business code of conduct were reported.

No personal data breach incidents or complaints from stakeholders such as employees, shareholders/ investors, customers, suppliers, or communities were recorded.

%

of employees completed the business ethics knowledge assessment

Conducted ESG communications and feedback visits to 9 key for critical suppliers/ high risk suppliers out of 10 planned

% completion rate.

90%

Reported tap water volume by TTW and PTW

million m3

an 8.19% increase.

Recorded a total of 647,575 TTW and PTW water users, an increase of %

% of employees completed training on basic corporate governance and business ethics.

Customer satisfaction with the Company reached

%

Environmental Performance

Water Quality and Sustainable Environmental Management

Reviewed

quality and environmental policy

Issued

Biodiversity Policy

Raw water consumption

m3/m3

(Tap Water Supplied)

No

legal or regulatory violations related to the environment

Water reuse rate

%

Energy use per unit decreased by

%

No

wastewater discharge into natural sources

No

chemical or lubricant spills into nearby communities

GHG emissions:

Scope 1+2: 0.00028 tCO2e/m3

Scope 1+2+3: 0.00033 tCO2e/m3

No

Sludge discharge incidents

Water leakage

in production

%

Non-hazardous waste

reduced 0.11 kg/m3 (Tap Water Supplied)

No unresolved

environmental complaints

Hazardous waste ratio

0.00001 kg/m3

(Tap Water Supplied)

%

hazardous waste sorted to avoid contamination

Rating and Standard agency

We take pride in being the listed company in the Rating and Standard agency

TTW Public Company Limited Utilities Gas Water & Multiutilities - Water
FTSE Russell ESG Score 2025
4.3/5
22 December 2025
TTW Public Company Limited Resource
SET ESG Rating 2025
AAA
12 December 2025
TTW Public Company Limited MUW Multi and Water Utilities
S&P Global CSA Score 2025
57/100
27 October 2025
Sustainability Report 2024

Sustainability Reports / ESG Performance Reports

Sustainability Report 2024