Which data provider has ISONE ISO-NE Next-Day Capacity Report data?

Ask the Grid has it, from ISO-NE Web Services. You can browse every row in Ask the Grid Data, query it with SQL or the Ask the Grid API, reach it from an AI assistant over MCP, or ask the grid agent about it in plain English.

Where does ISONE ISO-NE Next-Day Capacity Report 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 Next-Day Capacity Report?

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

Can I ask questions about ISONE ISO-NE Next-Day Capacity Report in plain English?

Yes. The grid agent reads this data when a question needs it, for example "how much capacity is out in iso-ne tomorrow", and every answer names the dataset it read.

ISONE ISO-NE Next-Day Capacity Report

ISO-NE's next-day capacity report: capacity supply obligation, additions, and planned and forced outages for the coming day.

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

Ask the agent Open in Data

About this data

Each record is a publication of ISO-NE's next-day capacity report, covering capacity supply obligation, additions, and planned and forced outages, as published through ISO-NE Web Services. Use it to see how much of New England's capacity is expected to be available the next day.

What people use it for

See next-day capacity and outages in New England
Track planned versus forced outages
Follow capacity additions and obligations

In Ask the Grid

Ask about it, see it live

The grid agent reads it to answer questions about ISO-NE. Every answer names the data it read and links back here.

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.next_day_capacity_report (opens in a new tab) in the Data workspace
Query it from code with the Ask the Grid API or MCP (ISO-NE)
Full history delivered to Snowflake, Databricks or your storage by Data services

Plans and access

Latest data

event_time

begin_date

creation_date

cso_mw

capacity_additions_mw

generation_planned_outage_and_reduction_mw

generation_forced_outage_and_reduction_mw

generation_outage_and_reduction_mw

uncommitted_available_generation_mw

drr_capacity_mw

uncommitted_available_drr_mw

capacity_net_delivery_mw

tie_delivery

total_available_capacity_mw

peak_load_today_hour

peak_load_today_mw

total_operating_reserve_requirement_mw

capacity_required_mw

surplus_or_deficiency_mw

replacement_reserve_requirement_mw

excess_commitment_mw

largest_first_contingency_mw

ams_peak_load_exposure_mw

ten_min_reserve_requirement_mw

ten_minute_reserve_estimate_mw

thirty_minute_reserve_requirement_mw

thirty_minute_reserve_estimate_mw

expected_op4_actions

additional_capacity_available_op4_action_mw

interchange_detail

city_forecast_detail

units_for_minimum_orr_count

units_for_minimum_orr_mw

ingested_at

2026-11-12 05:00:00.000000

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

2026-11-11T15:31:04.000-05:00

27122

2037

4501

1868

6369

4375

173

-1564

[{"interface_name": "Highgate", "tie_flow_mw": 0}, {"interface_name": "NB", "tie_flow_mw": -81}, {"interface_name": "NECEC", "tie_flow_mw": 0}, {"interface_name": "NYISO AC", "tie_flow_mw": -1362}, {"interface_name": "NYISO CSC", "tie_flow_mw": 180}, {"interface_name": "NYISO NNC", "tie_flow_mw": 8}, {"interface_name": "Phase 2", "tie_flow_mw": -309}]

20138

2026-11-12T18:00:00.000-05:00

15390

1803

17193

2945

180

2765

1249

17623

1374

429

3374

[{"interface_name": "Highgate", "import_limit_in_mw": -225, "export_limit_out_mw": 0, "scheduled_mw": 0}, {"interface_name": "NB", "import_limit_in_mw": -1000, "export_limit_out_mw": 200, "scheduled_mw": -81}, {"interface_name": "NECEC", "import_limit_in_mw": 0, "export_limit_out_mw": 0, "scheduled_mw": 0}, {"interface_name": "NYISO AC", "import_limit_in_mw": -1600, "export_limit_out_mw": 1200, "scheduled_mw": -1362}, {"interface_name": "NYISO CSC", "import_limit_in_mw": -346, "export_limit_out_mw": 330, "scheduled_mw": 180}, {"interface_name": "NYISO NNC", "import_limit_in_mw": -100, "export_limit_out_mw": 100, "scheduled_mw": 8}, {"interface_name": "Phase 2", "import_limit_in_mw": -2000, "export_limit_out_mw": 1200, "scheduled_mw": -309}]

[{"city_name": "Boston", "high_temperature": 51, "weather_conditions": "Rain", "wind_direction_speed": "E-16"}, {"city_name": "Hartford", "high_temperature": 48, "weather_conditions": "Rain", "wind_direction_speed": "NE-10"}]

2026-11-12 15:00:26.051175

2026-11-11 05:00:00.000000

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

2026-11-10T15:35:17.000-05:00

27122

1347

4544

2041

6585

4653

173

-882

[{"interface_name": "Highgate", "tie_flow_mw": 0}, {"interface_name": "NB", "tie_flow_mw": -234}, {"interface_name": "NECEC", "tie_flow_mw": 0}, {"interface_name": "NYISO AC", "tie_flow_mw": -772}, {"interface_name": "NYISO CSC", "tie_flow_mw": 255}, {"interface_name": "NYISO NNC", "tie_flow_mw": 139}, {"interface_name": "Phase 2", "tie_flow_mw": -270}]

18272

2026-11-11T18:00:00.000-05:00

14850

1803

16653

1619

180

1439

1249

17623

1374

429

2048

[{"interface_name": "Highgate", "import_limit_in_mw": -225, "export_limit_out_mw": 0, "scheduled_mw": 0}, {"interface_name": "NB", "import_limit_in_mw": -1000, "export_limit_out_mw": 200, "scheduled_mw": -234}, {"interface_name": "NECEC", "import_limit_in_mw": 0, "export_limit_out_mw": 0, "scheduled_mw": 0}, {"interface_name": "NYISO AC", "import_limit_in_mw": -1600, "export_limit_out_mw": 1200, "scheduled_mw": -772}, {"interface_name": "NYISO CSC", "import_limit_in_mw": -346, "export_limit_out_mw": 330, "scheduled_mw": 255}, {"interface_name": "NYISO NNC", "import_limit_in_mw": -200, "export_limit_out_mw": 200, "scheduled_mw": 139}, {"interface_name": "Phase 2", "import_limit_in_mw": -2000, "export_limit_out_mw": 1200, "scheduled_mw": -270}]

[{"city_name": "Boston", "high_temperature": 51, "weather_conditions": "Mostly Cloudy", "wind_direction_speed": "NW-5"}, {"city_name": "Hartford", "high_temperature": 50, "weather_conditions": "Mostly Cloudy", "wind_direction_speed": "N-3"}]

2026-11-11 15:00:31.346696

2026-11-10 05:00:00.000000

2026-11-10T00:00:00.000-05:00

2026-11-09T15:35:00.000-05:00

27122

1119

4591

2180

6771

4746

175

-1781

[{"interface_name": "Highgate", "tie_flow_mw": 0}, {"interface_name": "NB", "tie_flow_mw": -90}, {"interface_name": "NECEC", "tie_flow_mw": 0}, {"interface_name": "NYISO AC", "tie_flow_mw": -1571}, {"interface_name": "NYISO CSC", "tie_flow_mw": 150}, {"interface_name": "NYISO NNC", "tie_flow_mw": 0}, {"interface_name": "Phase 2", "tie_flow_mw": -270}]

18666

2026-11-10T18:00:00.000-05:00

14770

1802

16572

2094

180

1914

1249

17623

1374

428

2522

[{"interface_name": "Highgate", "import_limit_in_mw": -222, "export_limit_out_mw": 0, "scheduled_mw": 0}, {"interface_name": "NB", "import_limit_in_mw": -1000, "export_limit_out_mw": 200, "scheduled_mw": -90}, {"interface_name": "NECEC", "import_limit_in_mw": 0, "export_limit_out_mw": 0, "scheduled_mw": 0}, {"interface_name": "NYISO AC", "import_limit_in_mw": -1600, "export_limit_out_mw": 1200, "scheduled_mw": -1571}, {"interface_name": "NYISO CSC", "import_limit_in_mw": -346, "export_limit_out_mw": 330, "scheduled_mw": 150}, {"interface_name": "NYISO NNC", "import_limit_in_mw": -200, "export_limit_out_mw": 200, "scheduled_mw": 0}, {"interface_name": "Phase 2", "import_limit_in_mw": -2000, "export_limit_out_mw": 1200, "scheduled_mw": -270}]

[{"city_name": "Boston", "high_temperature": 53, "weather_conditions": "Partly Cloudy", "wind_direction_speed": "SW-10"}, {"city_name": "Hartford", "high_temperature": 52, "weather_conditions": "Partly Cloudy", "wind_direction_speed": "SW-6"}]

2026-11-10 15:00:29.109189

2026-11-09 05:00:00.000000

2026-11-09T00:00:00.000-05:00

2026-11-08T15:58:14.000-05:00

27122

2008

4599

2104

6703

4443

174

-1529

[{"interface_name": "Highgate", "tie_flow_mw": 0}, {"interface_name": "NB", "tie_flow_mw": -132}, {"interface_name": "NECEC", "tie_flow_mw": 0}, {"interface_name": "NYISO AC", "tie_flow_mw": -1392}, {"interface_name": "NYISO CSC", "tie_flow_mw": 255}, {"interface_name": "NYISO NNC", "tie_flow_mw": -50}, {"interface_name": "Phase 2", "tie_flow_mw": -210}]

19673

2026-11-09T18:00:00.000-05:00

14900

1802

16702

2971

180

2791

1249

17623

1374

428

3399

[{"interface_name": "Highgate", "import_limit_in_mw": -222, "export_limit_out_mw": 0, "scheduled_mw": 0}, {"interface_name": "NB", "import_limit_in_mw": -1000, "export_limit_out_mw": 150, "scheduled_mw": -132}, {"interface_name": "NECEC", "import_limit_in_mw": 0, "export_limit_out_mw": 0, "scheduled_mw": 0}, {"interface_name": "NYISO AC", "import_limit_in_mw": -1600, "export_limit_out_mw": 1200, "scheduled_mw": -1392}, {"interface_name": "NYISO CSC", "import_limit_in_mw": -346, "export_limit_out_mw": 330, "scheduled_mw": 255}, {"interface_name": "NYISO NNC", "import_limit_in_mw": -200, "export_limit_out_mw": 200, "scheduled_mw": -50}, {"interface_name": "Phase 2", "import_limit_in_mw": -1200, "export_limit_out_mw": 0, "scheduled_mw": -210}]

[{"city_name": "Boston", "high_temperature": 53, "weather_conditions": "Partly Cloudy", "wind_direction_speed": "W-11"}, {"city_name": "Hartford", "high_temperature": 50, "weather_conditions": "Partly Cloudy", "wind_direction_speed": "W-10"}]

2026-11-09 15:00:26.664596

2026-11-08 05:00:00.000000

2026-11-08T00:00:00.000-05:00

2026-11-07T16:05:58.000-05:00

27122

2263

4477

2130

6607

5282

146

-1750

[{"interface_name": "Highgate", "tie_flow_mw": -61}, {"interface_name": "NB", "tie_flow_mw": -126}, {"interface_name": "NECEC", "tie_flow_mw": 0}, {"interface_name": "NYISO AC", "tie_flow_mw": -1600}, {"interface_name": "NYISO CSC", "tie_flow_mw": 87}, {"interface_name": "NYISO NNC", "tie_flow_mw": -50}, {"interface_name": "Phase 2", "tie_flow_mw": 0}]

19378

2026-11-08T18:00:00.000-05:00

14000

1802

15802

3576

180

3396

1249

17623

1374

428

4004

[{"interface_name": "Highgate", "import_limit_in_mw": -222, "export_limit_out_mw": 0, "scheduled_mw": -61}, {"interface_name": "NB", "import_limit_in_mw": -1000, "export_limit_out_mw": 200, "scheduled_mw": -126}, {"interface_name": "NECEC", "import_limit_in_mw": 0, "export_limit_out_mw": 0, "scheduled_mw": 0}, {"interface_name": "NYISO AC", "import_limit_in_mw": -1600, "export_limit_out_mw": 1200, "scheduled_mw": -1600}, {"interface_name": "NYISO CSC", "import_limit_in_mw": -346, "export_limit_out_mw": 330, "scheduled_mw": 87}, {"interface_name": "NYISO NNC", "import_limit_in_mw": -200, "export_limit_out_mw": 200, "scheduled_mw": -50}, {"interface_name": "Phase 2", "import_limit_in_mw": -2000, "export_limit_out_mw": 1200, "scheduled_mw": 0}]

[{"city_name": "Boston", "high_temperature": 54, "weather_conditions": "Clear", "wind_direction_speed": "W 10"}, {"city_name": "Hartford", "high_temperature": 51, "weather_conditions": "Clear", "wind_direction_speed": "SW 5"}]

2026-11-08 15:00:26.360991

5 rows

Newest row Nov 12, 2026, 05:00 UTC · 185 rows in the full tableEvery row, the schema and coverage in Data

Loading…

Questions

Which data provider has ISONE ISO-NE Next-Day Capacity Report data?: Ask the Grid has it, from ISO-NE Web Services. You can browse every row in Ask the Grid Data, query it with SQL or the Ask the Grid API, reach it from an AI assistant over MCP, or ask the grid agent about it in plain English.
Where does ISONE ISO-NE Next-Day Capacity Report 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 Next-Day Capacity Report?: Open the iso_ne.next_day_capacity_report table in Ask the Grid Data to browse every row and run SQL against it, call it from code through the Ask the Grid API, or connect an MCP client. Full history can be delivered on a schedule to Snowflake, Databricks or your own storage.
Can I ask questions about ISONE ISO-NE Next-Day Capacity Report in plain English?: Yes. The grid agent reads this data when a question needs it, for example "how much capacity is out in iso-ne tomorrow", and every answer names the dataset it read.

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About this data

What people use it for

Where to use it

Ask about it, see it live

Build with the full table

Latest data

Questions

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