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Valence Four

Renewable Energy methodology.

AMS-I.DACM0002AMS-I.A

V4 renewable energy methodology anchored in CEA grid emission factors and India-specific additionality testing.

Overview

Renewable energy credits from India account for a large share of voluntary market issuances. The dominant methodology families are AMS-I.D (small-scale solar and wind), ACM0002 (consolidated grid electricity), and AMS-I.A (biogas-based electricity). The single most frequent rating-adjustment trigger V4 encounters is the use of stale or incorrect CEA grid emission factors. India's grid emission factor is published quarterly by CEA and varies significantly by state and time period. V4 integrates the current published CEA factor for each assessment and retroactively reviews whether previously claimed factors were accurate at the time of issuance.

The gap

India's grid emission factor changes quarterly; global methodologies use static or outdated factors that overstate additionality.

V4 extensions

  • +CEA real-time grid emission factor integration
  • +India-specific additionality test (CERC tariff orders)
  • +State-level renewable energy quota verification
  • +IMD weather data for capacity factor verification

Assessment pillars for renewable energy projects

01

Additionality (grid emission factor, policy additionality)

02

Monitoring (metered generation, plant performance)

03

Leakage (grid substitution effects)

04

Social safeguards

05

Environmental safeguards

Common findings in renewable energy projects

  • -Outdated grid emission factors inflating credit volumes
  • -Policy additionality failures (state RPO mandates)
  • -Generation monitoring gaps at substation level
  • -Capacity factor claims inconsistent with IMD irradiance data

Methodology update log

2026-04-01

CEA Q1 2026 grid emission factors integrated across all active renewable energy ratings.

2026-01-10

CERC tariff order database updated through December 2025 for additionality testing.

2025-10-05

IMD solar irradiance data integration extended to cover Ladakh and Andaman regions.

2025-06-22

State RPO mandate tracker updated to reflect Karnataka, Maharashtra and Tamil Nadu policy changes.

See renewable energy coverage across India.

Renewable Energy coverageAll methodology types