Which data provider has ISONE ISO-NE Day-Ahead Ancillary Services Reserve 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 Reserve Data?

Open the iso_ne.daas_reserve_data 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 Reserve Data

Daily ISO-NE day-ahead ancillary-services (DAAS) reserve quantities as published by ISO-NE Web Services.

Published by ISO-NE Web ServicesCadence: ISO-NE source publicationHistory since May 21, 2026Ancillary Services ISO-NE market

Open in Data

About this data

This is ISO-NE's published reserve quantity data for its day-ahead ancillary services market, DAAS, delivered as daily source publications. It shows how much reserve the day-ahead market procures. Pair it with the DAAS strike prices and offers to follow how the day-ahead reserve market clears.

What people use it for

Track day-ahead reserve quantities in New England
Read DAAS volumes alongside strike prices
Follow how the DAAS market is procuring reserves

TermsAncillary services Day-ahead vs. real-time markets

In Ask the Grid

See its market live

Follow the live ISO-NE market in Ask the Grid: prices, load, generation and the grid map.

ISO-NE market

In ATG Data

Build with the full table

Schema, full history, coverage and query rules live in Data, where you can browse every row, run SQL and connect it to your own code.

Open iso_ne.daas_reserve_data (opens in a new tab) in the Data workspace
Query it from code with the Ask the Grid API
Full history delivered to Snowflake, Databricks or your storage by Data services

Plans and access

Latest data

event_time

market_day

day_ahead_reserve

ingested_at

2026-11-12 17:30:25.205351

2026-11-12T00:00:00.000-05:00

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"tmor_designation_mw": 1982.9, "eir_designation_mw": 0.0, "fer_demand_quantity_mw": 10232.5}, {"market_hour": {"gmt_begin_date": "2026-11-12T00:00:00.000-05:00", "local_day": "2026-11-12T02:00:00.000-05:00", "local_hour_end": "03"}, "ten_min_spin_req_mw": 343.5, "total_ten_min_req_mw": 1373.9, "total_thirty_min_req_mw": 1982.9, "forecasted_energy_req_mw": 10060.0, "tmsr_clearing_price": 1.99, "tmnsr_clearing_price": 0.99, "tmor_clearing_price": 0.8, "fer_clearing_price": 0.0, "tmsr_designation_mw": 343.5, "tmnsr_designation_mw": 1373.9, "tmor_designation_mw": 1982.9, "eir_designation_mw": 0.0, "fer_demand_quantity_mw": 10050.9}, {"market_hour": {"gmt_begin_date": "2026-11-12T00:00:00.000-05:00", "local_day": "2026-11-12T03:00:00.000-05:00", "local_hour_end": "04"}, "ten_min_spin_req_mw": 343.5, "total_ten_min_req_mw": 1373.9, "total_thirty_min_req_mw": 1982.9, "forecasted_energy_req_mw": 10060.0, "tmsr_clearing_price": 1.95, "tmnsr_clearing_price": 0.99, "tmor_clearing_price": 0.8, "fer_clearing_price": 0.0, "tmsr_designation_mw": 343.5, "tmnsr_designation_mw": 1373.9, "tmor_designation_mw": 1982.9, "eir_designation_mw": 0.0, "fer_demand_quantity_mw": 10060.0}, {"market_hour": {"gmt_begin_date": "2026-11-12T00:00:00.000-05:00", "local_day": "2026-11-12T04:00:00.000-05:00", "local_hour_end": "05"}, "ten_min_spin_req_mw": 343.5, "total_ten_min_req_mw": 1373.9, "total_thirty_min_req_mw": 1982.9, "forecasted_energy_req_mw": 10380.0, "tmsr_clearing_price": 1.99, "tmnsr_clearing_price": 0.99, "tmor_clearing_price": 0.99, "fer_clearing_price": 0.0, "tmsr_designation_mw": 343.5, "tmnsr_designation_mw": 1376.9, "tmor_designation_mw": 1982.9, "eir_designation_mw": 0.0, "fer_demand_quantity_mw": 10380.0}, {"market_hour": {"gmt_begin_date": "2026-11-12T00:00:00.000-05:00", "local_day": "2026-11-12T05:00:00.000-05:00", "local_hour_end": "06"}, "ten_min_spin_req_mw": 343.5, "total_ten_min_req_mw": 1373.9, "total_thirty_min_req_mw": 1982.9, "forecasted_energy_req_mw": 11290.0, "tmsr_clearing_price": 1.98, "tmnsr_clearing_price": 0.99, "tmor_clearing_price": 0.99, "fer_clearing_price": 0.0, "tmsr_designation_mw": 343.5, "tmnsr_designation_mw": 1376.9, "tmor_designation_mw": 1982.9, "eir_designation_mw": 0.0, "fer_demand_quantity_mw": 11290.0}, {"market_hour": {"gmt_begin_date": "2026-11-12T00:00:00.000-05:00", "local_day": "2026-11-12T06:00:00.000-05:00", "local_hour_end": "07"}, "ten_min_spin_req_mw": 343.5, "total_ten_min_req_mw": 1373.9, "total_thirty_min_req_mw": 1982.9, "forecasted_energy_req_mw": 12610.0, "tmsr_clearing_price": 3.65, "tmnsr_clearing_price": 0.99, "tmor_clearing_price": 0.8, "fer_clearing_price": 0.0, "tmsr_designation_mw": 343.5, "tmnsr_designation_mw": 1373.9, "tmor_designation_mw": 1982.9, "eir_designation_mw": 0.0, "fer_demand_quantity_mw": 12610.0}, {"market_hour": {"gmt_begin_date": "2026-11-12T00:00:00.000-05:00", "local_day": "2026-11-12T07:00:00.000-05:00", "local_hour_end": "08"}, "ten_min_spin_req_mw": 343.5, "total_ten_min_req_mw": 1373.9, "total_thirty_min_req_mw": 1982.9, "forecasted_energy_req_mw": 13320.0, "tmsr_clearing_price": 9.39, "tmnsr_clearing_price": 0.8, "tmor_clearing_price": 0.8, "fer_clearing_price": 0.0, "tmsr_designation_mw": 343.5, "tmnsr_designation_mw": 1458.9, "tmor_designation_mw": 1982.9, "eir_designation_mw": 0.0, "fer_demand_quantity_mw": 13320.0}, {"market_hour": {"gmt_begin_date": "2026-11-12T00:00:00.000-05:00", "local_day": "2026-11-12T08:00:00.000-05:00", "local_hour_end": "09"}, "ten_min_spin_req_mw": 343.5, "total_ten_min_req_mw": 1373.9, "total_thirty_min_req_mw": 1982.9, "forecasted_energy_req_mw": 13170.0, "tmsr_clearing_price": 7.44, "tmnsr_clearing_price": 0.8, "tmor_clearing_price": 0.8, "fer_clearing_price": 0.0, "tmsr_designation_mw": 343.5, "tmnsr_designation_mw": 1458.9, "tmor_designation_mw": 1982.9, "eir_designation_mw": 0.0, "fer_demand_quantity_mw": 13093.3}, {"market_hour": {"gmt_begin_date": "2026-11-12T00:00:00.000-05:00", "local_day": "2026-11-12T09:00:00.000-05:00", "local_hour_end": "10"}, "ten_min_spin_req_mw": 343.5, "total_ten_min_req_mw": 1373.9, "total_thirty_min_req_mw": 1982.9, "forecasted_energy_req_mw": 13040.0, "tmsr_clearing_price": 8.27, "tmnsr_clearing_price": 0.8, "tmor_clearing_price": 0.8, "fer_clearing_price": 0.0, "tmsr_designation_mw": 343.5, "tmnsr_designation_mw": 1486.9, "tmor_designation_mw": 1982.9, "eir_designation_mw": 0.0, "fer_demand_quantity_mw": 12876.6}, {"market_hour": {"gmt_begin_date": "2026-11-12T00:00:00.000-05:00", "local_day": "2026-11-12T10:00:00.000-05:00", "local_hour_end": "11"}, "ten_min_spin_req_mw": 343.5, "total_ten_min_req_mw": 1373.9, "total_thirty_min_req_mw": 1982.9, "forecasted_energy_req_mw": 12940.0, "tmsr_clearing_price": 4.47, "tmnsr_clearing_price": 0.8, "tmor_clearing_price": 0.8, "fer_clearing_price": 0.0, "tmsr_designation_mw": 343.5, "tmnsr_designation_mw": 1486.9, "tmor_designation_mw": 1982.9, "eir_designation_mw": 0.0, "fer_demand_quantity_mw": 12685.6}, {"market_hour": {"gmt_begin_date": "2026-11-12T00:00:00.000-05:00", "local_day": "2026-11-12T11:00:00.000-05:00", "local_hour_end": "12"}, "ten_min_spin_req_mw": 343.5, "total_ten_min_req_mw": 1373.9, "total_thirty_min_req_mw": 1982.9, "forecasted_energy_req_mw": 12980.0, "tmsr_clearing_price": 6.36, "tmnsr_clearing_price": 0.8, "tmor_clearing_price": 0.8, "fer_clearing_price": 0.0, "tmsr_designation_mw": 343.5, "tmnsr_designation_mw": 1486.9, "tmor_designation_mw": 1982.9, "eir_designation_mw": 0.0, "fer_demand_quantity_mw": 12703.8}, {"market_hour": {"gmt_begin_date": "2026-11-12T00:00:00.000-05:00", "local_day": "2026-11-12T12:00:00.000-05:00", "local_hour_end": "13"}, "ten_min_spin_req_mw": 343.5, "total_ten_min_req_mw": 1373.9, "total_thirty_min_req_mw": 1982.9, "forecasted_energy_req_mw": 13060.0, "tmsr_clearing_price": 5.95, "tmnsr_clearing_price": 0.8, "tmor_clearing_price": 0.8, "fer_clearing_price": 0.0, "tmsr_designation_mw": 343.5, "tmnsr_designation_mw": 1486.9, "tmor_designation_mw": 1982.9, "eir_designation_mw": 0.0, "fer_demand_quantity_mw": 12714.7}, {"market_hour": {"gmt_begin_date": "2026-11-12T00:00:00.000-05:00", "local_day": "2026-11-12T13:00:00.000-05:00", "local_hour_end": "14"}, "ten_min_spin_req_mw": 343.5, "total_ten_min_req_mw": 1373.9, "total_thirty_min_req_mw": 1982.9, "forecasted_energy_req_mw": 13300.0, "tmsr_clearing_price": 7.63, "tmnsr_clearing_price": 0.8, "tmor_clearing_price": 0.8, "fer_clearing_price": 0.0, "tmsr_designation_mw": 343.5, "tmnsr_designation_mw": 1486.9, "tmor_designation_mw": 1982.9, "eir_designation_mw": 0.0, "fer_demand_quantity_mw": 12823.6}, {"market_hour": {"gmt_begin_date": "2026-11-12T00:00:00.000-05:00", "local_day": "2026-11-12T14:00:00.000-05:00", "local_hour_end": "15"}, "ten_min_spin_req_mw": 343.5, "total_ten_min_req_mw": 1373.9, "total_thirty_min_req_mw": 1982.9, "forecasted_energy_req_mw": 13660.0, "tmsr_clearing_price": 11.83, "tmnsr_clearing_price": 0.8, "tmor_clearing_price": 0.8, "fer_clearing_price": 0.0, "tmsr_designation_mw": 343.5, "tmnsr_designation_mw": 1458.9, "tmor_designation_mw": 1982.9, "eir_designation_mw": 0.0, "fer_demand_quantity_mw": 13132.4}, {"market_hour": {"gmt_begin_date": "2026-11-12T00:00:00.000-05:00", "local_day": "2026-11-12T15:00:00.000-05:00", "local_hour_end": "16"}, "ten_min_spin_req_mw": 343.2, "total_ten_min_req_mw": 1372.8, "total_thirty_min_req_mw": 1981.8, "forecasted_energy_req_mw": 14050.0, "tmsr_clearing_price": 12.8, "tmnsr_clearing_price": 0.8, "tmor_clearing_price": 0.8, "fer_clearing_price": 0.0, "tmsr_designation_mw": 343.2, "tmnsr_designation_mw": 1458.3, "tmor_designation_mw": 1981.8, "eir_designation_mw": 0.0, "fer_demand_quantity_mw": 13477.7}, {"market_hour": {"gmt_begin_date": "2026-11-12T00:00:00.000-05:00", "local_day": "2026-11-12T16:00:00.000-05:00", "local_hour_end": "17"}, "ten_min_spin_req_mw": 343.5, "total_ten_min_req_mw": 1373.9, "total_thirty_min_req_mw": 1982.9, "forecasted_energy_req_mw": 14760.0, "tmsr_clearing_price": 15.43, "tmnsr_clearing_price": 0.8, "tmor_clearing_price": 0.8, "fer_clearing_price": 0.0, "tmsr_designation_mw": 343.5, "tmnsr_designation_mw": 1453.8, "tmor_designation_mw": 1982.9, "eir_designation_mw": 0.0, "fer_demand_quantity_mw": 14133.1}, {"market_hour": {"gmt_begin_date": "2026-11-12T00:00:00.000-05:00", "local_day": "2026-11-12T17:00:00.000-05:00", "local_hour_end": "18"}, "ten_min_spin_req_mw": 343.5, "total_ten_min_req_mw": 1373.9, "total_thirty_min_req_mw": 1982.9, "forecasted_energy_req_mw": 15390.0, "tmsr_clearing_price": 5.99, "tmnsr_clearing_price": 0.85, "tmor_clearing_price": 0.85, "fer_clearing_price": 0.0, "tmsr_designation_mw": 343.5, "tmnsr_designation_mw": 1388.2, "tmor_designation_mw": 1982.9, "eir_designation_mw": 0.0, "fer_demand_quantity_mw": 14704.8}, {"market_hour": {"gmt_begin_date": "2026-11-12T00:00:00.000-05:00", "local_day": "2026-11-12T18:00:00.000-05:00", "local_hour_end": "19"}, "ten_min_spin_req_mw": 343.5, "total_ten_min_req_mw": 1373.9, "total_thirty_min_req_mw": 1982.9, "forecasted_energy_req_mw": 15020.0, "tmsr_clearing_price": 5.0, "tmnsr_clearing_price": 0.8, "tmor_clearing_price": 0.8, "fer_clearing_price": 0.0, "tmsr_designation_mw": 343.5, "tmnsr_designation_mw": 1453.8, "tmor_designation_mw": 1982.9, "eir_designation_mw": 0.0, "fer_demand_quantity_mw": 14270.1}, {"market_hour": {"gmt_begin_date": "2026-11-12T00:00:00.000-05:00", "local_day": "2026-11-12T19:00:00.000-05:00", "local_hour_end": "20"}, "ten_min_spin_req_mw": 343.5, "total_ten_min_req_mw": 1373.9, "total_thirty_min_req_mw": 1982.9, "forecasted_energy_req_mw": 14570.0, "tmsr_clearing_price": 4.35, "tmnsr_clearing_price": 0.8, "tmor_clearing_price": 0.8, "fer_clearing_price": 0.0, "tmsr_designation_mw": 343.5, "tmnsr_designation_mw": 1453.8, "tmor_designation_mw": 1982.9, "eir_designation_mw": 0.0, "fer_demand_quantity_mw": 13803.9}, {"market_hour": {"gmt_begin_date": "2026-11-12T00:00:00.000-05:00", "local_day": "2026-11-12T20:00:00.000-05:00", "local_hour_end": "21"}, "ten_min_spin_req_mw": 343.5, "total_ten_min_req_mw": 1373.9, "total_thirty_min_req_mw": 1982.9, "forecasted_energy_req_mw": 13890.0, "tmsr_clearing_price": 2.0, "tmnsr_clearing_price": 0.8, "tmor_clearing_price": 0.8, "fer_clearing_price": 0.0, "tmsr_designation_mw": 343.5, "tmnsr_designation_mw": 1458.6, "tmor_designation_mw": 1982.9, "eir_designation_mw": 0.0, "fer_demand_quantity_mw": 13113.1}, {"market_hour": {"gmt_begin_date": "2026-11-12T00:00:00.000-05:00", "local_day": "2026-11-12T21:00:00.000-05:00", "local_hour_end": "22"}, "ten_min_spin_req_mw": 343.5, "total_ten_min_req_mw": 1373.9, "total_thirty_min_req_mw": 1982.9, "forecasted_energy_req_mw": 13150.0, "tmsr_clearing_price": 2.0, "tmnsr_clearing_price": 0.8, "tmor_clearing_price": 0.8, "fer_clearing_price": 0.0, "tmsr_designation_mw": 343.5, "tmnsr_designation_mw": 1486.6, "tmor_designation_mw": 1982.9, "eir_designation_mw": 0.0, "fer_demand_quantity_mw": 12452.0}, {"market_hour": {"gmt_begin_date": "2026-11-12T00:00:00.000-05:00", "local_day": "2026-11-12T22:00:00.000-05:00", "local_hour_end": "23"}, "ten_min_spin_req_mw": 343.5, "total_ten_min_req_mw": 1373.9, "total_thirty_min_req_mw": 1982.9, "forecasted_energy_req_mw": 12200.0, "tmsr_clearing_price": 5.87, "tmnsr_clearing_price": 0.8, "tmor_clearing_price": 0.8, "fer_clearing_price": 0.0, "tmsr_designation_mw": 343.5, "tmnsr_designation_mw": 1486.6, "tmor_designation_mw": 1982.9, "eir_designation_mw": 0.0, "fer_demand_quantity_mw": 11719.4}, {"market_hour": {"gmt_begin_date": "2026-11-12T00:00:00.000-05:00", "local_day": "2026-11-12T23:00:00.000-05:00", "local_hour_end": "24"}, "ten_min_spin_req_mw": 343.5, "total_ten_min_req_mw": 1373.9, "total_thirty_min_req_mw": 1982.9, "forecasted_energy_req_mw": 11370.0, "tmsr_clearing_price": 1.99, "tmnsr_clearing_price": 0.99, "tmor_clearing_price": 0.8, "fer_clearing_price": 0.0, "tmsr_designation_mw": 343.5, "tmnsr_designation_mw": 1373.9, "tmor_designation_mw": 1982.9, "eir_designation_mw": 0.0, "fer_demand_quantity_mw": 11013.5}]

2026-11-12 17:30:25.689615

2026-11-12 16:30:24.658792

2026-11-12T00:00:00.000-05:00

2026-11-12 16:30:25.067705

2026-11-12 15:30:24.491420

2026-11-12T00:00:00.000-05:00

2026-11-12 15:30:24.758223

2026-11-12 14:30:27.782643

2026-11-12T00:00:00.000-05:00

2026-11-12 14:30:28.464824

2026-11-12 13:30:25.140392

2026-11-12T00:00:00.000-05:00

2026-11-12 13:30:25.630109

5 rows

Newest row Nov 12, 2026, 17:30 UTC · 5.8K 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 Reserve 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 Reserve Data 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 Reserve Data?: Open the iso_ne.daas_reserve_data 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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