ACR Advanced Refrigeration Systems
ACR Advanced Refrigeration Systems is a chemical processes methodology used by 34 projects. Registry records show 3,595,722 tonnes issued and 49.4% of them retired.
Key figures
Projects
34
Countries
1
Credits issued
3,595,722 t
Credits retired
1,776,769 t
Retired share of issued
49.4%
Projects yet to issue
0%
Source: Berkeley Voluntary Registry Offsets Database, as used by the Methodology Lab · Data as of June 2026
ICVCM status
No ICVCM decision on this methodology yet.
The CCP label is applied to credits by the registry, issuance by issuance. An approved methodology means credits from projects using it can be eligible; it does not mean every credit carries the label.
CORSIA programme relevance
Whether the programmes this methodology is used on are approved by ICAO. Programme level only; unit eligibility depends on dates, authorisation and each programme's exclusions.
Issuance by vintage
| Vintage | Issued (tCO₂e) |
|---|---|
| 2023 | 102,950 |
| 2022 | 521,888 |
| 2021 | 730,412 |
| 2020 | 639,228 |
| 2019 | 525,206 |
| 2018 | 460,755 |
| 2017 | 398,206 |
| 2016 | 217,077 |
Source: Berkeley Voluntary Registry Offsets Database · Data as of June 2026
Related methodologies
Same scope, with a more favourable ICVCM decision.
- ARB Compliance Offset Protocol: Destruction of U.S. Ozone Depleting Substances Banks 107 projects · CCP-Approved
- ACR Destruction of Ozone Depleting Substances and High-GWP Foam 11 projects · CCP-Approved
- ACR Certified Reclaimed HFC Refrigerants, Propellants, and Fire Suppressants 32 projects · Under assessment, no decision published
- ACR Transition to Advanced Formulation Blowing Agents in Foam Manufacturing and Use 5 projects · Under assessment, no decision published
- CAR U.S. Nitric Acid Production Protocol 11 projects · Withdrawn from assessment
- AM0034 Catalytic reduction of N2O inside the ammonia burner of nitric acid plants 4 projects · Very unlikely to meet the Core Carbon Principles
Questions about ACR Advanced Refrigeration Systems
How many projects use ACR Advanced Refrigeration Systems?
34 projects, in 1 country, as of June 2026.
Is ACR Advanced Refrigeration Systems approved by the ICVCM?
No ICVCM decision on this methodology yet.
How much of the credits issued under ACR Advanced Refrigeration Systems have been retired?
49.4%, or 1,776,769 of 3,595,722 tonnes.