# Data Dictionary - European Residual Load Ramps - cleaned Parquet

**Units:** all `ramp_mw` values are in **MW/interval**.  Times are UTC.

| column | type | description |
|---|---|---|
| `zone` | str | Bidding zone |
| `ts` | timestamp (UTC) | Interval |
| `ramp_mw` | float | Change in net load vs previous interval, MW |
| `unit` | str | Unit |
| `res_min` | int | Native resolution (15/30/60) |

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