# Data Dictionary - European Energy + Weather Panel - daily, cleaned Parquet

**Units:** vary by `variable` - read the per-row `unit` column (overall: mixed).  Times are UTC.

| column | type | description |
|---|---|---|
| `zone` | str | ENTSO-E zone |
| `ts` | timestamp (UTC) | Day |
| `variable` | str | Which series (price / load / wind gen / … / irradiance) |
| `value` | float | Daily value in the variable's unit |
| `unit` | str | Unit (mixed - see variable) |
| `res_min` | int | Native resolution (daily) |

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