Which data provider has ISONE ISO-NE Day-Ahead Ancillary Services DRR Offers (Masked) data?

Ask the Grid has it, from ISO-NE Web Services. You can browse every row in Ask the Grid Data or query it with SQL or the Ask the Grid API.

How do I download or query ISONE ISO-NE Day-Ahead Ancillary Services DRR Offers (Masked)?

Open the iso_ne.hb_daas_drr_offer table in Ask the Grid Data to browse every row and run SQL against it, or call it from code through the Ask the Grid API. Full history can be delivered on a schedule to Snowflake, Databricks or your own storage.

ISONE ISO-NE Day-Ahead Ancillary Services DRR Offers (Masked)

Day-ahead ancillary-services offers from demand response resources in ISO-NE, published with participant identities masked.

Published by ISO-NE Web ServicesCadence: ISO-NE source publicationHistory since May 22, 2026Ancillary Services ISO-NE market

Open in Data

About this data

These are the offers that demand response resources submitted to ISO-NE's day-ahead ancillary services market, DAAS, with participants masked. They show how much reserve demand response is willing to supply. Read them beside the generator and asset-related demand offers.

What people use it for

See how demand response offers into the reserve market
Compare demand response offers with generator offers
Study offer behavior in the DAAS market

TermsAncillary services Day-ahead vs. real-time markets

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Plans and access

Latest data

event_time

day_ahead_ancillary_services

ingested_at

2026-11-12 16:10:23.561580

{"daas_drr_offer_data": [{"market_hour": {"gmt_begin_date": "2026-07-31T00:00:00.000-04:00", "local_day": "2026-07-31T00:00:00.000-04:00", "local_hour_end": "01"}, "masked_lead_participant_id": 361091, "masked_asset_id": 57519, "offer_mw": 0.6, "tmsr_offer_price": 0.0, "tmnsr_offer_price": 0.0, "tmor_offer_price": 0.0, "eir_offer_price": 0.0}, {"market_hour": {"gmt_begin_date": "2026-07-31T00:00:00.000-04:00", "local_day": "2026-07-31T01:00:00.000-04:00", "local_hour_end": "02"}, "masked_lead_participant_id": 361091, "masked_asset_id": 57519, "offer_mw": 0.6, "tmsr_offer_price": 0.0, "tmnsr_offer_price": 0.0, "tmor_offer_price": 0.0, "eir_offer_price": 0.0}, {"market_hour": {"gmt_begin_date": "2026-07-31T00:00:00.000-04:00", "local_day": "2026-07-31T02:00:00.000-04:00", "local_hour_end": "03"}, "masked_lead_participant_id": 361091, "masked_asset_id": 57519, "offer_mw": 0.6, "tmsr_offer_price": 0.0, "tmnsr_offer_price": 0.0, "tmor_offer_price": 0.0, "eir_offer_price": 0.0}, {"market_hour": {"gmt_begin_date": "2026-07-31T00:00:00.000-04:00", "local_day": "2026-07-31T03:00:00.000-04:00", "local_hour_end": "04"}, "masked_lead_participant_id": 361091, "masked_asset_id": 57519, "offer_mw": 0.6, "tmsr_offer_price": 0.0, "tmnsr_offer_price": 0.0, "tmor_offer_price": 0.0, "eir_offer_price": 0.0}, {"market_hour": {"gmt_begin_date": "2026-07-31T00:00:00.000-04:00", "local_day": "2026-07-31T04:00:00.000-04:00", "local_hour_end": "05"}, "masked_lead_participant_id": 361091, "masked_asset_id": 57519, "offer_mw": 0.6, "tmsr_offer_price": 0.0, "tmnsr_offer_price": 0.0, "tmor_offer_price": 0.0, "eir_offer_price": 0.0}, {"market_hour": {"gmt_begin_date": "2026-07-31T00:00:00.000-04:00", "local_day": "2026-07-31T05:00:00.000-04:00", "local_hour_end": "06"}, "masked_lead_participant_id": 361091, "masked_asset_id": 57519, "offer_mw": 0.6, "tmsr_offer_price": 0.0, "tmnsr_offer_price": 0.0, "tmor_offer_price": 0.0, "eir_offer_price": 0.0}, {"market_hour": {"gmt_begin_date": "2026-07-31T00:00:00.000-04:00", "local_day": "2026-07-31T06:00:00.000-04:00", "local_hour_end": "07"}, "masked_lead_participant_id": 361091, "masked_asset_id": 57519, "offer_mw": 0.6, "tmsr_offer_price": 0.0, "tmnsr_offer_price": 0.0, "tmor_offer_price": 0.0, "eir_offer_price": 0.0}, {"market_hour": {"gmt_begin_date": "2026-07-31T00:00:00.000-04:00", "local_day": "2026-07-31T07:00:00.000-04:00", "local_hour_end": "08"}, "masked_lead_participant_id": 361091, "masked_asset_id": 57519, "offer_mw": 0.6, "tmsr_offer_price": 0.0, "tmnsr_offer_price": 0.0, "tmor_offer_price": 0.0, "eir_offer_price": 0.0}, {"market_hour": {"gmt_begin_date": "2026-07-31T00:00:00.000-04:00", "local_day": "2026-07-31T08:00:00.000-04:00", "local_hour_end": "09"}, "masked_lead_participant_id": 361091, "masked_asset_id": 57519, "offer_mw": 0.6, "tmsr_offer_price": 0.0, "tmnsr_offer_price": 0.0, "tmor_offer_price": 0.0, "eir_offer_price": 0.0}, {"market_hour": {"gmt_begin_date": "2026-07-31T00:00:00.000-04:00", "local_day": "2026-07-31T09:00:00.000-04:00", "local_hour_end": "10"}, "masked_lead_participant_id": 361091, "masked_asset_id": 57519, "offer_mw": 0.6, "tmsr_offer_price": 0.0, "tmnsr_offer_price": 0.0, "tmor_offer_price": 0.0, "eir_offer_price": 0.0}, {"market_hour": {"gmt_begin_date": "2026-07-31T00:00:00.000-04:00", "local_day": "2026-07-31T10:00:00.000-04:00", "local_hour_end": "11"}, "masked_lead_participant_id": 361091, "masked_asset_id": 57519, "offer_mw": 0.6, "tmsr_offer_price": 0.0, "tmnsr_offer_price": 0.0, "tmor_offer_price": 0.0, "eir_offer_price": 0.0}, {"market_hour": {"gmt_begin_date": "2026-07-31T00:00:00.000-04:00", "local_day": "2026-07-31T11:00:00.000-04:00", "local_hour_end": "12"}, "masked_lead_participant_id": 361091, "masked_asset_id": 57519, "offer_mw": 0.6, "tmsr_offer_price": 0.0, "tmnsr_offer_price": 0.0, "tmor_offer_price": 0.0, "eir_offer_price": 0.0}, {"market_hour": {"gmt_begin_date": "2026-07-31T00:00:00.000-04:00", "local_day": "2026-07-31T12:00:00.000-04:00", "local_hour_end": "13"}, "masked_lead_participant_id": 361091, "masked_asset_id": 57519, "offer_mw": 0.6, "tmsr_offer_price": 0.0, "tmnsr_offer_price": 0.0, "tmor_offer_price": 0.0, "eir_offer_price": 0.0}, {"market_hour": {"gmt_begin_date": "2026-07-31T00:00:00.000-04:00", "local_day": "2026-07-31T13:00:00.000-04:00", "local_hour_end": "14"}, "masked_lead_participant_id": 361091, "masked_asset_id": 57519, "offer_mw": 0.6, "tmsr_offer_price": 0.0, "tmnsr_offer_price": 0.0, "tmor_offer_price": 0.0, "eir_offer_price": 0.0}, {"market_hour": {"gmt_begin_date": "2026-07-31T00:00:00.000-04:00", "local_day": "2026-07-31T14:00:00.000-04:00", "local_hour_end": "15"}, "masked_lead_participant_id": 361091, "masked_asset_id": 57519, "offer_mw": 0.6, "tmsr_offer_price": 0.0, "tmnsr_offer_price": 0.0, "tmor_offer_price": 0.0, "eir_offer_price": 0.0}, {"market_hour": {"gmt_begin_date": "2026-07-31T00:00:00.000-04:00", "local_day": "2026-07-31T15:00:00.000-04:00", "local_hour_end": "16"}, "masked_lead_participant_id": 361091, "masked_asset_id": 57519, "offer_mw": 0.6, "tmsr_offer_price": 0.0, "tmnsr_offer_price": 0.0, "tmor_offer_price": 0.0, "eir_offer_price": 0.0}, {"market_hour": {"gmt_begin_date": "2026-07-31T00:00:00.000-04:00", "local_day": "2026-07-31T16:00:00.000-04:00", "local_hour_end": "17"}, "masked_lead_participant_id": 361091, "masked_asset_id": 57519, "offer_mw": 0.6, "tmsr_offer_price": 0.0, "tmnsr_offer_price": 0.0, "tmor_offer_price": 0.0, "eir_offer_price": 0.0}, {"market_hour": {"gmt_begin_date": "2026-07-31T00:00:00.000-04:00", "local_day": "2026-07-31T17:00:00.000-04:00", "local_hour_end": "18"}, "masked_lead_participant_id": 361091, "masked_asset_id": 57519, "offer_mw": 0.6, "tmsr_offer_price": 0.0, "tmnsr_offer_price": 0.0, "tmor_offer_price": 0.0, "eir_offer_price": 0.0}, {"market_hour": {"gmt_begin_date": "2026-07-31T00:00:00.000-04:00", "local_day": "2026-07-31T18:00:00.000-04:00", "local_hour_end": "19"}, "masked_lead_participant_id": 361091, "masked_asset_id": 57519, "offer_mw": 0.6, "tmsr_offer_price": 0.0, "tmnsr_offer_price": 0.0, "tmor_offer_price": 0.0, "eir_offer_price": 0.0}, {"market_hour": {"gmt_begin_date": "2026-07-31T00:00:00.000-04:00", "local_day": "2026-07-31T19:00:00.000-04:00", "local_hour_end": "20"}, "masked_lead_participant_id": 361091, "masked_asset_id": 57519, "offer_mw": 0.6, "tmsr_offer_price": 0.0, "tmnsr_offer_price": 0.0, "tmor_offer_price": 0.0, "eir_offer_price": 0.0}, {"market_hour": {"gmt_begin_date": "2026-07-31T00:00:00.000-04:00", "local_day": "2026-07-31T20:00:00.000-04:00", "local_hour_end": "21"}, "masked_lead_participant_id": 361091, "masked_asset_id": 57519, "offer_mw": 0.6, "tmsr_offer_price": 0.0, "tmnsr_offer_price": 0.0, "tmor_offer_price": 0.0, "eir_offer_price": 0.0}, {"market_hour": {"gmt_begin_date": "2026-07-31T00:00:00.000-04:00", "local_day": "2026-07-31T21:00:00.000-04:00", "local_hour_end": "22"}, "masked_lead_participant_id": 361091, "masked_asset_id": 57519, "offer_mw": 0.6, "tmsr_offer_price": 0.0, "tmnsr_offer_price": 0.0, "tmor_offer_price": 0.0, "eir_offer_price": 0.0}, {"market_hour": {"gmt_begin_date": "2026-07-31T00:00:00.000-04:00", "local_day": "2026-07-31T22:00:00.000-04:00", "local_hour_end": "23"}, "masked_lead_participant_id": 361091, "masked_asset_id": 57519, "offer_mw": 0.6, "tmsr_offer_price": 0.0, "tmnsr_offer_price": 0.0, "tmor_offer_price": 0.0, "eir_offer_price": 0.0}, {"market_hour": {"gmt_begin_date": "2026-07-31T00:00:00.000-04:00", "local_day": "2026-07-31T23:00:00.000-04:00", "local_hour_end": "24"}, "masked_lead_participant_id": 361091, "masked_asset_id": 57519, "offer_mw": 0.6, "tmsr_offer_price": 0.0, "tmnsr_offer_price": 0.0, "tmor_offer_price": 0.0, "eir_offer_price": 0.0}]}

2026-11-12 16:10:23.914257

2026-11-11 16:10:23.816256

2026-11-11 16:10:24.430640

2026-11-10 16:10:23.779930

2026-11-10 16:10:24.104378

2026-11-09 16:10:24.180304

2026-11-09 16:10:24.506609

2026-11-08 16:10:22.400888

2026-11-08 16:10:22.686671

5 rows

Newest row Nov 12, 2026, 16:10 UTC · 1.8K rows in the full tableEvery row, the schema and coverage in Data

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Questions

Which data provider has ISONE ISO-NE Day-Ahead Ancillary Services DRR Offers (Masked) data?: Ask the Grid has it, from ISO-NE Web Services. You can browse every row in Ask the Grid Data or query it with SQL or the Ask the Grid API.
Where does ISONE ISO-NE Day-Ahead Ancillary Services DRR Offers (Masked) come from?: It comes from ISO-NE Web Services. This page links to the original publication, so any value can be checked against it.
How do I download or query ISONE ISO-NE Day-Ahead Ancillary Services DRR Offers (Masked)?: Open the iso_ne.hb_daas_drr_offer table in Ask the Grid Data to browse every row and run SQL against it, or call it from code through the Ask the Grid API. Full history can be delivered on a schedule to Snowflake, Databricks or your own storage.

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