Ask the Grid

Overview

ISO-NE's published HB DA Demand Bid source feed. This catalog page exposes the physical schema, coverage, and latest source rows without inventing a normalized grain for publisher-shaped snapshot fields. Use the documented key and event time when comparing revisions or vintages.

Schema8

Column
Type
event_timeDateTime64(6, 'UTC')
masked_participant_idInt64
masked_location_idInt64
location_typeNullable(String)
bid_typeLowCardinality(String)
bid_idInt64
segmentsNullable(String)
ingested_atDateTime64(6, 'UTC')

Sample rows

event_timemasked_participant_idmasked_location_idlocation_typebid_typebid_idsegmentsingested_at
2026-05-01 03:00:00.00000098531341756LOAD ZONEFIXED16403739{"Segment": [{"Mw": 37.0, "Number": 1}]}2026-08-13 14:10:29.384069
2026-05-01 02:00:00.00000098531341756LOAD ZONEFIXED16403739{"Segment": [{"Mw": 35.2, "Number": 1}]}2026-08-13 14:10:29.384069
2026-05-01 01:00:00.00000098531341756LOAD ZONEFIXED16403739{"Segment": [{"Mw": 37.1, "Number": 1}]}2026-08-13 14:10:29.384069
2026-05-01 00:00:00.00000098531341756LOAD ZONEFIXED16403739{"Segment": [{"Mw": 39.1, "Number": 1}]}2026-08-13 14:10:29.384069
2026-04-30 23:00:00.00000098531341756LOAD ZONEFIXED16403739{"Segment": [{"Mw": 39.0, "Number": 1}]}2026-08-13 14:10:29.384069
2026-04-30 22:00:00.00000098531341756LOAD ZONEFIXED16403739{"Segment": [{"Mw": 39.6, "Number": 1}]}2026-08-13 14:10:29.384069
2026-04-30 21:00:00.00000098531341756LOAD ZONEFIXED16403739{"Segment": [{"Mw": 39.9, "Number": 1}]}2026-08-13 14:10:29.384069
2026-04-30 20:00:00.00000098531341756LOAD ZONEFIXED16403739{"Segment": [{"Mw": 40.7, "Number": 1}]}2026-08-13 14:10:29.384069
2026-04-30 19:00:00.00000098531341756LOAD ZONEFIXED16403739{"Segment": [{"Mw": 41.6, "Number": 1}]}2026-08-13 14:10:29.384069
2026-04-30 18:00:00.00000098531341756LOAD ZONEFIXED16403739{"Segment": [{"Mw": 42.2, "Number": 1}]}2026-08-13 14:10:29.384069
2026-04-30 17:00:00.00000098531341756LOAD ZONEFIXED16403739{"Segment": [{"Mw": 42.6, "Number": 1}]}2026-08-13 14:10:29.384069
2026-04-30 16:00:00.00000098531341756LOAD ZONEFIXED16403739{"Segment": [{"Mw": 42.9, "Number": 1}]}2026-08-13 14:10:29.384069
2026-04-30 15:00:00.00000098531341756LOAD ZONEFIXED16403739{"Segment": [{"Mw": 43.0, "Number": 1}]}2026-08-13 14:10:29.384069
2026-04-30 14:00:00.00000098531341756LOAD ZONEFIXED16403739{"Segment": [{"Mw": 43.0, "Number": 1}]}2026-08-13 14:10:29.384069
2026-04-30 13:00:00.00000098531341756LOAD ZONEFIXED16403739{"Segment": [{"Mw": 41.7, "Number": 1}]}2026-08-13 14:10:29.384069
2026-04-30 12:00:00.00000098531341756LOAD ZONEFIXED16403739{"Segment": [{"Mw": 40.2, "Number": 1}]}2026-08-13 14:10:29.384069
2026-04-30 11:00:00.00000098531341756LOAD ZONEFIXED16403739{"Segment": [{"Mw": 38.1, "Number": 1}]}2026-08-13 14:10:29.384069
2026-04-30 10:00:00.00000098531341756LOAD ZONEFIXED16403739{"Segment": [{"Mw": 37.8, "Number": 1}]}2026-08-13 14:10:29.384069
2026-04-30 09:00:00.00000098531341756LOAD ZONEFIXED16403739{"Segment": [{"Mw": 35.8, "Number": 1}]}2026-08-13 14:10:29.384069
2026-04-30 08:00:00.00000098531341756LOAD ZONEFIXED16403739{"Segment": [{"Mw": 34.2, "Number": 1}]}2026-08-13 14:10:29.384069
2026-04-30 07:00:00.00000098531341756LOAD ZONEFIXED16403739{"Segment": [{"Mw": 33.9, "Number": 1}]}2026-08-13 14:10:29.384069
2026-04-30 06:00:00.00000098531341756LOAD ZONEFIXED16403739{"Segment": [{"Mw": 34.1, "Number": 1}]}2026-08-13 14:10:29.384069
2026-04-30 05:00:00.00000098531341756LOAD ZONEFIXED16403739{"Segment": [{"Mw": 34.9, "Number": 1}]}2026-08-13 14:10:29.384069
2026-04-30 04:00:00.00000098531341756LOAD ZONEFIXED16403739{"Segment": [{"Mw": 37.6, "Number": 1}]}2026-08-13 14:10:29.384069
2026-04-01 03:00:00.00000098531341756LOAD ZONEFIXED16403739{"Segment": [{"Mw": 39.1, "Number": 1}]}2026-08-01 14:10:34.880629

Coverage

90.3% complete83 gap days769 days with data
Show coverage history ▾
Coverage: 90.3%Days with data: 769Gaps: 83
2026
2025
2024
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