# Data Dictionary - European Grid Carbon Intensity - gCO2/kWh by zone, cleaned Parquet

**Units:** all `carbon_intensity_gco2_kwh` values are in **gCO2/kWh**.  Times are UTC.

| column | type | description |
|---|---|---|
| `zone` | str | Bidding zone |
| `ts` | timestamp (UTC) | Measurement time |
| `carbon_intensity_gco2_kwh` | float | Generation-weighted gCO2eq/kWh |
| `unit` | str | Unit |
| `res_min` | int | Native resolution in minutes |

*Source: ENTSO-E Transparency Platform (derived).*