# Data Dictionary - US Power Thermal Scarcity Panel - hourly by region, derived Parquet

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

| column | type | description |
|---|---|---|
| `zone` | str | EIA region |
| `ts` | timestamp (UTC) | Hour |
| `variable` | str | Metric |
| `value` | float | Value |
| `unit` | str | Unit (mixed) |
| `res_min` | int | Native resolution (hourly) |

*Source: U.S. Energy Information Administration (EIA).*