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Valence Four
Ratings
Approach
How V4 ratings are calculated, from PDD to letter grade
V4-CCR
Vintage-specific carbon credit rating on a AAA-to-D scale
V4-CPR
Project-level carbon project rating across six pillars
Methodology
Methodology hub
All V4 methodology documents, published and auditable
Forestry
VM0015, VM0007, NDVI integration, Hansen deforestation analysis
Renewable energy
AMS-I.D, ACM0002, CEA grid emission factor integration
Cookstoves
AMS-II.G, TPDDTEC, Hindi-language community interview protocol
Biogas
AMS-III.D, AMS-III.R, operational continuity verification
Agricultural soil carbon
VM0042, farmer-payment verification, IMD weather context
Industrial carbon capture
VM0041, GS TPDDTEC, facility-specific baseline
Coverage
Coverage overview
All six Indian project types on one comparable scale
Forestry
REDD+ and afforestation projects across India
Renewable energy
Solar, wind, and small hydro projects
Cookstoves
Improved cookstove distribution projects
Biogas
Household and community biogas systems
Agricultural soil carbon
Sustainable agriculture and soil carbon sequestration
Industrial carbon capture
Cement and steel sector capture projects
Insights
All insights
Field notes, methodology updates, reports, and analysis
Methodology updates
Latest changes to V4 methodology documents
Reports
In-depth sector and market reports
Events
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Demo access provided. Data is illustrative only.