SCHEMA.md

CarbonOps Dataset Schema

1) grid-intensity/

CSV/Parquet with columns:

• timestamp (UTC, ISO8601)
• region (string, snake_case)
• intensity_gco2_per_kwh (float, >=0)
• source (enum: uk_national_grid, entsoe, custom_csv)
• source_url (string, optional)
• updated_at (UTC)

Constraints:

• timestamp monotonically increasing within region
• one row per 30 min (GB) or configured resolution
• missing data → NaN, never -1

2) ci-samples/

• job_id (string), repo (string), duration_s (float), artifact_mb (float), runner_type (enum), timestamp_start (UTC).