Green Attribute / Certificate Tracking
Access to lower-carbon electricity through wheeling is becoming a commercial and compliance necessity. ODS-E provides fields to reference renewable energy certificates and carbon intensity at the interval level, without replacing certificate registries.
Context
The SAETA “Policy to Power” report highlights EU CBAM, carbon tax, carbon budgets, and NDC targets as drivers for verifiable clean-energy provenance. Traders offer “green power with renewable tradable attributes” and the report mentions “tradable electricity tokens” as a virtual wheeling concept. Energy-intensive exporters need verifiable provenance for CBAM compliance (Actions 7, 8).
Timeseries Fields
| Field | Type | Description |
|---|---|---|
renewable_attribute_id |
string | Certificate or credit identifier (e.g., I-REC tracking number) |
certificate_standard |
enum: i_rec, rego, go, rec, tigr, other |
Certificate scheme under which the attribute is issued |
verification_status |
enum: pending, issued, retired, cancelled |
Lifecycle status of the renewable attribute |
carbon_intensity_gCO2_per_kWh |
number >= 0 | Carbon intensity of the generation source in grams CO2e per kWh |
Usage Notes
- ODS-E carries attribute references; it does not act as a registry. Issuance, tracking, retirement, and verification remain with the certificate registry (e.g., I-REC, Evident).
certificate_standardvalues:i_rec– International REC Standard (dominant in South Africa)rego– Renewable Energy Guarantees of Origin (UK)go– Guarantees of Origin (EU)rec– Renewable Energy Certificates (US)tigr– Tradable Instruments for Global Renewables (APX/Evident)other– any other scheme
verification_statustracks the lifecycle:pending(generation recorded),issued(certificate issued),retired(claimed by consumer),cancelled(voided or expired).carbon_intensity_gCO2_per_kWhenables CBAM-relevant calculations. For solar PV this is typically 0 (operational) or a lifecycle value (20-50 gCO2/kWh). The accounting methodology should be documented by the implementer.
Example
{
"timestamp": "2026-02-17T11:00:00+02:00",
"kWh": 156.8,
"error_type": "normal",
"direction": "generation",
"seller_party_id": "za-nersa:generator:NCAPE-SOLAR-12",
"renewable_attribute_id": "ZA-IREC-2026-0041822",
"certificate_standard": "i_rec",
"verification_status": "issued",
"carbon_intensity_gCO2_per_kWh": 0
}