Siam Cement Biomass Project
Registry
Verra
Project ID
VCS403
Country
Category
Fuel Switching
Methodology
Status
Not stated
Credits Issued
4,023,906 tCO₂e
Credits Retired
3,896,708 tCO₂e
Data as of
1 June 2026
Credit Passport
How to read itIssuance and retirement by vintage
| Vintage | Issued (tCO₂e) | Retired (tCO₂e) |
|---|---|---|
| 2017 | 88,764 | 61,289 |
| 2016 | 168,234 | 168,234 |
| 2015 | 209,651 | 209,651 |
| 2014 | 295,452 | 262,153 |
| 2013 | 184,397 | 183,718 |
| 2012 | 256,664 | 255,723 |
| 2011 | 205,771 | 205,522 |
| 2010 | 233,617 | 233,617 |
| 2009 | 544,097 | 542,373 |
| 2008 | 581,496 | 581,488 |
| 2007 | 725,948 | 715,229 |
| 2006 | 529,815 | 477,711 |
Source: Registry records · Data as of 1 June 2026
Credit Passport in detail
ICVCM quality status
No ICVCM decision on this methodology yet.
- Programme: Verified Carbon Standard, CCP-eligible since May 2024.
The CCP label is applied to credits by the registry, issuance by issuance. An approved methodology means credits from this project can be eligible; it does not mean every credit carries the label.
Source: ICVCM assessment decisions · Decisions read 19 September 2026
CORSIA screen
A screen against published ICAO criteria, not an eligibility determination.
First phase, 2024 to 2026
- ProgrammePassesVerified Carbon Standard is approved by ICAO for 2024 to 2026.
- DatesDoes not passCredits were issued for vintage 2006, so crediting began before 1 January 2016.
- Host country authorisationCannot be confirmed from available dataAuthorisation is granted per activity. This screen cannot confirm whether this project holds a Letter of Authorization.
Second phase, 2027 to 2029
- ProgrammePassesVerified Carbon Standard is approved by ICAO for 2027 to 2029.
- DatesDoes not passCredits were issued for vintage 2006, so crediting began before 1 January 2016.
Programme-specific exclusions were not assessed. Host country context is under Article 6 below.
Source: ICAO eligibility decisions and registry records · Criteria verified 25 September 2026
Thailand and Article 6
- Bilateral agreements
- 3
- Authority for the Paris Agreement Crediting Mechanism
- Appointed
- Participation requirements for the Mechanism
- Published
- Cooperative approaches
- 2
- Article 6.2 activities
- 36
- ITMOs transferred or received
- 52,642
- Crediting Mechanism activities approved by the host
- 19
- Crediting Mechanism activities registered
- 0
This is country-level context. It does not show whether this project is authorised.
Source: UN Article 6 tracking · Data as of 4 September 2026
Recorded buyers
Organisations named in registry retirement records. Many retirements name no beneficiary, so this list is partial.
23.6% of retired tonnes name an organisation as beneficiary.
| Organisation | Tonnes retired | Latest year |
|---|---|---|
| Barclays Bank | 310,568 | 2011 |
| Qantas | 223,754 | 2021 |
| Chevron | 103,738 | 2017 |
| Terpel | 92,243 | 2017 |
| Interface | 65,000 | 2019 |
| Städtische Werke | 59,288 | 2020 |
| The University of Melbourne | 19,500 | 2021 |
| Österreichische Post | 16,000 | 2016 |
| Qantas Airways | 12,943 | 2020 |
| Biomax | 9,733 | 2017 |
The 10 largest of 13 organisations named.
Retired credits from this project? See what a company can still say about them under the EU green claims rules.
Source: Registry records · Data as of 1 June 2026
Siam Cement Biomass Project is registered with Verra under the acm0003 protocol, located in Thailand. As of 1 June 2026, registry records show 4,023,906 tonnes issued and 3,896,708 tonnes retired. This reflects registry-reported figures, not an independent quality assessment.
Related
Questions about this project
How many credits has Siam Cement Biomass Project issued?
4,023,906 tonnes of credits have been issued and 3,896,708 retired, according to registry records as of 1 June 2026.
What is the ICVCM status of this project's methodology?
No ICVCM decision on this methodology yet. The CCP label is applied to credits by the registry, issuance by issuance.
Which organisations have retired credits from Siam Cement Biomass Project?
Registry records name 13 organisations, including Barclays Bank, Qantas, Chevron. Many retirements name no beneficiary.
Registry data as of June 1, 2026