Demand DA Hourly

ISO-NE's published Demand DA Hourly source feed.

Load data

Download data

Native record

event_time x location_id

ISO-NE source publication publication cadence

Evidence

Observed market data

Published observations from the named source

Time basis

Point-in-time records

UTC · event_time

Overview

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.

Query contract

Preserve one canonical row per (event_time, location_id) before aggregating.

Analysis rules

Group only after preserving the declared grain: event_time, location_id.

Schema5

Column

Type

event_timeDateTime64(6, 'UTC')

location_idLowCardinality(String)

location_nameNullable(String)

loadNullable(Float64)

ingested_atDateTime64(6, 'UTC')

Sample data

event_time	location_id	location_name	load	ingested_at
2026-09-28 17:00:00.000000	4008	.Z.NEMASSBOST	2669.6	2026-09-28 17:22:30.600407
2026-09-28 17:00:00.000000	4007	.Z.WCMASS	1743.6	2026-09-28 17:22:30.600407
2026-09-28 17:00:00.000000	4006	.Z.SEMASS	1523.7	2026-09-28 17:22:30.600407
2026-09-28 17:00:00.000000	4005	.Z.RHODEISLAND	866.2	2026-09-28 17:22:30.600407
2026-09-28 17:00:00.000000	4004	.Z.CONNECTICUT	3006.8	2026-09-28 17:22:30.600407
2026-09-28 17:00:00.000000	4003	.Z.VERMONT	619.9	2026-09-28 17:22:30.600407
2026-09-28 17:00:00.000000	4002	.Z.NEWHAMPSHIRE	1303.5	2026-09-28 17:22:30.600407
2026-09-28 17:00:00.000000	4001	.Z.MAINE	816.2	2026-09-28 17:22:30.600407
2026-09-28 17:00:00.000000	4000	.H.INTERNAL_HUB	167.3	2026-09-28 17:22:30.600407
2026-09-28 17:00:00.000000	32	NEPOOL AREA	13043	2026-09-28 17:22:30.600407
2026-09-28 16:00:00.000000	4008	.Z.NEMASSBOST	2677.8	2026-09-28 16:22:30.244120
2026-09-28 16:00:00.000000	4007	.Z.WCMASS	1722.1	2026-09-28 16:22:30.244120
2026-09-28 16:00:00.000000	4006	.Z.SEMASS	1517	2026-09-28 16:22:30.244120
2026-09-28 16:00:00.000000	4005	.Z.RHODEISLAND	853.2	2026-09-28 16:22:30.244120
2026-09-28 16:00:00.000000	4004	.Z.CONNECTICUT	2964.5	2026-09-28 16:22:30.244120
2026-09-28 16:00:00.000000	4003	.Z.VERMONT	595.5	2026-09-28 16:22:30.244120
2026-09-28 16:00:00.000000	4002	.Z.NEWHAMPSHIRE	1287.7	2026-09-28 16:22:30.244120
2026-09-28 16:00:00.000000	4001	.Z.MAINE	840.7	2026-09-28 16:22:30.244120
2026-09-28 16:00:00.000000	4000	.H.INTERNAL_HUB	179.6	2026-09-28 16:22:30.244120
2026-09-28 16:00:00.000000	32	NEPOOL AREA	12967	2026-09-28 16:22:30.244120
2026-09-28 15:00:00.000000	4008	.Z.NEMASSBOST	2629.6	2026-09-28 15:22:30.540595
2026-09-28 15:00:00.000000	4007	.Z.WCMASS	1661.9	2026-09-28 15:22:30.540595
2026-09-28 15:00:00.000000	4006	.Z.SEMASS	1508.7	2026-09-28 15:22:30.540595
2026-09-28 15:00:00.000000	4005	.Z.RHODEISLAND	852	2026-09-28 15:22:30.540595
2026-09-28 15:00:00.000000	4004	.Z.CONNECTICUT	2949.5	2026-09-28 15:22:30.540595

Coverage

100.0% complete0 gap days131 days with data

Show coverage history

Coverage: 100.0%Days with data: 131Gaps: 0

2026

gaplessmore

Related load data

Related load data
Dataset	Description
Demand RT HourlyISONE · ISO-NE source publication	ISO-NE's published Demand RT Hourly 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.
Five-Minute System LoadISONE · 5-minute	ISO-NE's observed five-minute system load, native load, active demand response, and behind-the-meter-PV-adjusted totals. This is a market total and must not be copied into individual load zones.
HB DA Demand BidISONE · ISO-NE source publication	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.
HB DA Load Response OfferISONE · ISO-NE source publication	ISO-NE's published HB DA Load Response Offer 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.