# Data Dictionary - European Wind & Solar Forecast Error - actual minus forecast, cleaned Parquet

**Units:** all `re_error_mw` values are in **MW**.  Times are UTC.

| column | type | description |
|---|---|---|
| `zone` | str | Bidding zone |
| `ts` | timestamp (UTC) | Target time |
| `re_error_mw` | float | Actual - forecast wind+solar, MW |
| `unit` | str | Unit |
| `res_min` | int | Native resolution in minutes |

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