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Next Day Capacity Report

ISO-NE's published Next Day Capacity Report source feed.

Ancillary Services dataISO-NE market
Query with the agent
Native record
ISO-NE next-day capacity report x publication
ISO-NE source publication publication cadence
Evidence
Forecast data
Forward-looking values with an explicit issue time
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

Select the latest creation_date or ingested_at publication before reading the report's capacity, peak, reserve, and outage fields.

Analysis rules

  • Use surplus_or_deficiency_mw as ISO-NE's published balance; do not reconstruct it by summing every capacity and reserve field.
  • Planned, forced, and total outage-and-reduction fields overlap. Keep the published categories separate.

Interpretation

  • This is a next-day operating report, not real-time available capacity or a long-term planning reserve margin.

Access

Query from your own tools

Use the guarded HTTP endpoint directly, or connect an MCP client and load the dataset contract with describe_data before calling query_data.

ISO-NE MCP API reference
HTTP endpoint
POST /api/v1/datasets/isone_next_day_capacity_report/query

Schema34

Column
Type
event_timeDateTime64(6, 'UTC')
begin_dateNullable(String)
creation_dateNullable(String)
cso_mwNullable(Float64)
capacity_additions_mwNullable(Float64)
generation_planned_outage_and_reduction_mwNullable(Float64)
generation_forced_outage_and_reduction_mwNullable(Float64)
generation_outage_and_reduction_mwNullable(Float64)
uncommitted_available_generation_mwNullable(Float64)
drr_capacity_mwNullable(Float64)
uncommitted_available_drr_mwNullable(Float64)
capacity_net_delivery_mwNullable(Float64)
tie_deliveryNullable(String)
total_available_capacity_mwNullable(Float64)
peak_load_today_hourNullable(String)
peak_load_today_mwNullable(Float64)
total_operating_reserve_requirement_mwNullable(Float64)
capacity_required_mwNullable(Float64)
surplus_or_deficiency_mwNullable(Float64)
replacement_reserve_requirement_mwNullable(Float64)
excess_commitment_mwNullable(Float64)
largest_first_contingency_mwNullable(Float64)
ams_peak_load_exposure_mwNullable(Float64)
ten_min_reserve_requirement_mwNullable(Float64)
ten_minute_reserve_estimate_mwNullable(Float64)
thirty_minute_reserve_requirement_mwNullable(Float64)
thirty_minute_reserve_estimate_mwNullable(Float64)
expected_op4_actionsNullable(String)
additional_capacity_available_op4_action_mwNullable(Float64)
interchange_detailNullable(String)
city_forecast_detailNullable(String)
units_for_minimum_orr_countNullable(Int64)
units_for_minimum_orr_mwNullable(Float64)
ingested_atDateTime64(6, 'UTC')

Sample data

event_timebegin_datecreation_datecso_mwcapacity_additions_mwgeneration_planned_outage_and_reduction_mwgeneration_forced_outage_and_reduction_mwgeneration_outage_and_reduction_mwuncommitted_available_generation_mwdrr_capacity_mwuncommitted_available_drr_mwcapacity_net_delivery_mwtie_deliverytotal_available_capacity_mwpeak_load_today_hourpeak_load_today_mwtotal_operating_reserve_requirement_mwcapacity_required_mwsurplus_or_deficiency_mwreplacement_reserve_requirement_mwexcess_commitment_mwlargest_first_contingency_mwams_peak_load_exposure_mwten_min_reserve_requirement_mwten_minute_reserve_estimate_mwthirty_minute_reserve_requirement_mwthirty_minute_reserve_estimate_mwexpected_op4_actionsadditional_capacity_available_op4_action_mwinterchange_detailcity_forecast_detailunits_for_minimum_orr_countunits_for_minimum_orr_mwingested_at
2026-09-27 04:00:00.0000002026-09-27T00:00:00.000-04:002026-09-26T15:59:07.000-04:00268272422198716403627734917814-368[{"interface_name": "Highgate", "tie_flow_mw": 0}, {"interface_name": "NB", "tie_flow_mw": 198}, {"interface_name": "NECEC", "tie_flow_mw": -1089}, {"interface_name": "NYISO AC", "tie_flow_mw": -294}, {"interface_name": "NYISO CSC", "tie_flow_mw": 330}, {"interface_name": "NYISO NNC", "tie_flow_mw": 64}, {"interface_name": "Phase 2", "tie_flow_mw": 423}]188052026-09-27T20:00:00.000-04:00137502041157913014160285412402161314261426615362900[{"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": 198}, {"interface_name": "NECEC", "import_limit_in_mw": -1250, "export_limit_out_mw": 0, "scheduled_mw": -1089}, {"interface_name": "NYISO AC", "import_limit_in_mw": -1400, "export_limit_out_mw": 1200, "scheduled_mw": -294}, {"interface_name": "NYISO CSC", "import_limit_in_mw": -346, "export_limit_out_mw": 330, "scheduled_mw": 330}, {"interface_name": "NYISO NNC", "import_limit_in_mw": -200, "export_limit_out_mw": 200, "scheduled_mw": 64}, {"interface_name": "Phase 2", "import_limit_in_mw": -2000, "export_limit_out_mw": 1200, "scheduled_mw": 423}][{"city_name": "Boston", "high_temperature": 61, "weather_conditions": "Rain", "wind_direction_speed": "NE-17"}, {"city_name": "Hartford", "high_temperature": 60, "weather_conditions": "Rain", "wind_direction_speed": "NE-13"}]002026-09-27 15:00:21.085727
2026-09-26 04:00:00.0000002026-09-26T00:00:00.000-04:002026-09-25T15:59:11.000-04:00268272806146323473810863616514-1020[{"interface_name": "Highgate", "tie_flow_mw": 0}, {"interface_name": "NB", "tie_flow_mw": -2}, {"interface_name": "NECEC", "tie_flow_mw": -1089}, {"interface_name": "NYISO AC", "tie_flow_mw": -743}, {"interface_name": "NYISO CSC", "tie_flow_mw": 330}, {"interface_name": "NYISO NNC", "tie_flow_mw": 0}, {"interface_name": "Phase 2", "tie_flow_mw": 484}]183582026-09-26T19:00:00.000-04:00131502032151823176160301612402161314261426606378200[{"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": -2}, {"interface_name": "NECEC", "import_limit_in_mw": -1250, "export_limit_out_mw": 0, "scheduled_mw": -1089}, {"interface_name": "NYISO AC", "import_limit_in_mw": -1400, "export_limit_out_mw": 500, "scheduled_mw": -743}, {"interface_name": "NYISO CSC", "import_limit_in_mw": -346, "export_limit_out_mw": 330, "scheduled_mw": 330}, {"interface_name": "NYISO NNC", "import_limit_in_mw": -100, "export_limit_out_mw": 100, "scheduled_mw": 0}, {"interface_name": "Phase 2", "import_limit_in_mw": -2000, "export_limit_out_mw": 1200, "scheduled_mw": 484}][{"city_name": "Boston", "high_temperature": 59, "weather_conditions": "Rain", "wind_direction_speed": "NE-23"}, {"city_name": "Hartford", "high_temperature": 58, "weather_conditions": "Rain", "wind_direction_speed": "N-17"}]002026-09-26 15:00:19.455667
2026-09-25 04:00:00.0000002026-09-25T00:00:00.000-04:002026-09-24T15:58:14.000-04:00268272469109323243417837822414-887[{"interface_name": "Highgate", "tie_flow_mw": 0}, {"interface_name": "NB", "tie_flow_mw": 498}, {"interface_name": "NECEC", "tie_flow_mw": -1089}, {"interface_name": "NYISO AC", "tie_flow_mw": -391}, {"interface_name": "NYISO CSC", "tie_flow_mw": 330}, {"interface_name": "NYISO NNC", "tie_flow_mw": 50}, {"interface_name": "Phase 2", "tie_flow_mw": -285}]185982026-09-25T19:00:00.000-04:00135502032155823016160285612402161314261426606362200[{"interface_name": "Highgate", "import_limit_in_mw": -222, "export_limit_out_mw": 0, "scheduled_mw": 0}, {"interface_name": "NB", "import_limit_in_mw": -650, "export_limit_out_mw": 500, "scheduled_mw": 498}, {"interface_name": "NECEC", "import_limit_in_mw": -1250, "export_limit_out_mw": 0, "scheduled_mw": -1089}, {"interface_name": "NYISO AC", "import_limit_in_mw": -1400, "export_limit_out_mw": 1200, "scheduled_mw": -391}, {"interface_name": "NYISO CSC", "import_limit_in_mw": -346, "export_limit_out_mw": 330, "scheduled_mw": 330}, {"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": -285}][{"city_name": "Boston", "high_temperature": 60, "weather_conditions": "Rain", "wind_direction_speed": "NE-18"}, {"city_name": "Hartford", "high_temperature": 63, "weather_conditions": "Rain", "wind_direction_speed": "NE-13"}]002026-09-25 15:00:20.144316
2026-09-24 04:00:00.0000002026-09-24T00:00:00.000-04:002026-09-23T15:50:18.000-04:00268272289140823353743865722014-907[{"interface_name": "Highgate", "tie_flow_mw": 0}, {"interface_name": "NB", "tie_flow_mw": 498}, {"interface_name": "NECEC", "tie_flow_mw": -1089}, {"interface_name": "NYISO AC", "tie_flow_mw": -490}, {"interface_name": "NYISO CSC", "tie_flow_mw": 330}, {"interface_name": "NYISO NNC", "tie_flow_mw": 49}, {"interface_name": "Phase 2", "tie_flow_mw": -205}]178292026-09-24T20:00:00.000-04:00138002032158321997160183712392161314251425607260400[{"interface_name": "Highgate", "import_limit_in_mw": -225, "export_limit_out_mw": 0, "scheduled_mw": 0}, {"interface_name": "NB", "import_limit_in_mw": -650, "export_limit_out_mw": 500, "scheduled_mw": 498}, {"interface_name": "NECEC", "import_limit_in_mw": -1250, "export_limit_out_mw": 0, "scheduled_mw": -1089}, {"interface_name": "NYISO AC", "import_limit_in_mw": -1400, "export_limit_out_mw": 1200, "scheduled_mw": -490}, {"interface_name": "NYISO CSC", "import_limit_in_mw": -346, "export_limit_out_mw": 330, "scheduled_mw": 330}, {"interface_name": "NYISO NNC", "import_limit_in_mw": -200, "export_limit_out_mw": 200, "scheduled_mw": 49}, {"interface_name": "Phase 2", "import_limit_in_mw": -2000, "export_limit_out_mw": 1200, "scheduled_mw": -205}][{"city_name": "Boston", "high_temperature": 58, "weather_conditions": "Mostly Cloudy", "wind_direction_speed": "NE-11"}, {"city_name": "Hartford", "high_temperature": 57, "weather_conditions": "Mostly Clear", "wind_direction_speed": "NE-8"}]002026-09-24 15:00:20.591676
2026-09-23 04:00:00.0000002026-09-23T00:00:00.000-04:002026-09-22T15:50:31.000-04:00268272253180825924400827622214-1512[{"interface_name": "Highgate", "tie_flow_mw": 0}, {"interface_name": "NB", "tie_flow_mw": 498}, {"interface_name": "NECEC", "tie_flow_mw": -1090}, {"interface_name": "NYISO AC", "tie_flow_mw": -912}, {"interface_name": "NYISO CSC", "tie_flow_mw": 330}, {"interface_name": "NYISO NNC", "tie_flow_mw": 0}, {"interface_name": "Phase 2", "tie_flow_mw": -338}]181242026-09-23T20:00:00.000-04:00139002034159342190160203012392161314251425609279900[{"interface_name": "Highgate", "import_limit_in_mw": -225, "export_limit_out_mw": 0, "scheduled_mw": 0}, {"interface_name": "NB", "import_limit_in_mw": -650, "export_limit_out_mw": 500, "scheduled_mw": 498}, {"interface_name": "NECEC", "import_limit_in_mw": -1250, "export_limit_out_mw": 0, "scheduled_mw": -1090}, {"interface_name": "NYISO AC", "import_limit_in_mw": -1400, "export_limit_out_mw": 1200, "scheduled_mw": -912}, {"interface_name": "NYISO CSC", "import_limit_in_mw": -346, "export_limit_out_mw": 330, "scheduled_mw": 330}, {"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": -338}][{"city_name": "Boston", "high_temperature": 57, "weather_conditions": "Partly Cloudy", "wind_direction_speed": "NE-13"}, {"city_name": "Hartford", "high_temperature": 55, "weather_conditions": "Clear", "wind_direction_speed": "NE-9"}]002026-09-23 15:00:19.177992
2026-09-22 04:00:00.0000002026-09-22T00:00:00.000-04:002026-09-21T15:50:25.000-04:00268272291180523184123858922314-2129[{"interface_name": "Highgate", "tie_flow_mw": -26}, {"interface_name": "NB", "tie_flow_mw": 398}, {"interface_name": "NECEC", "tie_flow_mw": -1090}, {"interface_name": "NYISO AC", "tie_flow_mw": -656}, {"interface_name": "NYISO CSC", "tie_flow_mw": 330}, {"interface_name": "NYISO NNC", "tie_flow_mw": 0}, {"interface_name": "Phase 2", "tie_flow_mw": -1085}]187442026-09-22T20:00:00.000-04:00140002028160282716160255612382161314241424604332000[{"interface_name": "Highgate", "import_limit_in_mw": -225, "export_limit_out_mw": 0, "scheduled_mw": -26}, {"interface_name": "NB", "import_limit_in_mw": -650, "export_limit_out_mw": 500, "scheduled_mw": 398}, {"interface_name": "NECEC", "import_limit_in_mw": -1250, "export_limit_out_mw": 0, "scheduled_mw": -1090}, {"interface_name": "NYISO AC", "import_limit_in_mw": -1400, "export_limit_out_mw": 1200, "scheduled_mw": -656}, {"interface_name": "NYISO CSC", "import_limit_in_mw": -346, "export_limit_out_mw": 330, "scheduled_mw": 330}, {"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": -1085}][{"city_name": "Boston", "high_temperature": 57, "weather_conditions": "Clear", "wind_direction_speed": "NE-10"}, {"city_name": "Hartford", "high_temperature": 56, "weather_conditions": "Clear", "wind_direction_speed": "NE-8"}]002026-09-22 15:00:19.458560
2026-09-21 04:00:00.0000002026-09-21T00:00:00.000-04:002026-09-20T16:00:04.000-04:00268272269180527224527770122214-2113[{"interface_name": "Highgate", "tie_flow_mw": -212}, {"interface_name": "NB", "tie_flow_mw": 398}, {"interface_name": "NECEC", "tie_flow_mw": -1090}, {"interface_name": "NYISO AC", "tie_flow_mw": -921}, {"interface_name": "NYISO CSC", "tie_flow_mw": 330}, {"interface_name": "NYISO NNC", "tie_flow_mw": -68}, {"interface_name": "Phase 2", "tie_flow_mw": -550}]191892026-09-21T20:00:00.000-04:00143002030163302859160269912382161314241424606346500[{"interface_name": "Highgate", "import_limit_in_mw": -217, "export_limit_out_mw": 0, "scheduled_mw": -212}, {"interface_name": "NB", "import_limit_in_mw": -650, "export_limit_out_mw": 400, "scheduled_mw": 398}, {"interface_name": "NECEC", "import_limit_in_mw": -1250, "export_limit_out_mw": 0, "scheduled_mw": -1090}, {"interface_name": "NYISO AC", "import_limit_in_mw": -1400, "export_limit_out_mw": 1200, "scheduled_mw": -921}, {"interface_name": "NYISO CSC", "import_limit_in_mw": -346, "export_limit_out_mw": 330, "scheduled_mw": 330}, {"interface_name": "NYISO NNC", "import_limit_in_mw": -200, "export_limit_out_mw": 200, "scheduled_mw": -68}, {"interface_name": "Phase 2", "import_limit_in_mw": -2000, "export_limit_out_mw": 1200, "scheduled_mw": -550}][{"city_name": "Boston", "high_temperature": 61, "weather_conditions": "Partly Cloudy", "wind_direction_speed": "E-6"}, {"city_name": "Hartford", "high_temperature": 61, "weather_conditions": "Partly Cloudy", "wind_direction_speed": "NE-7"}]002026-09-21 15:00:19.518640
2026-09-20 04:00:00.0000002026-09-20T00:00:00.000-04:002026-09-19T16:00:07.000-04:00268271427219115003691661217814-95[{"interface_name": "Highgate", "tie_flow_mw": 0}, {"interface_name": "NB", "tie_flow_mw": 398}, {"interface_name": "NECEC", "tie_flow_mw": -1090}, {"interface_name": "NYISO AC", "tie_flow_mw": 153}, {"interface_name": "NYISO CSC", "tie_flow_mw": 330}, {"interface_name": "NYISO NNC", "tie_flow_mw": 114}, {"interface_name": "Phase 2", "tie_flow_mw": 0}]182102026-09-20T20:00:00.000-04:00138002032158322378160221812382161314241424608298600[{"interface_name": "Highgate", "import_limit_in_mw": -217, "export_limit_out_mw": 0, "scheduled_mw": 0}, {"interface_name": "NB", "import_limit_in_mw": -650, "export_limit_out_mw": 400, "scheduled_mw": 398}, {"interface_name": "NECEC", "import_limit_in_mw": -1250, "export_limit_out_mw": 0, "scheduled_mw": -1090}, {"interface_name": "NYISO AC", "import_limit_in_mw": -1400, "export_limit_out_mw": 1200, "scheduled_mw": 153}, {"interface_name": "NYISO CSC", "import_limit_in_mw": -346, "export_limit_out_mw": 330, "scheduled_mw": 330}, {"interface_name": "NYISO NNC", "import_limit_in_mw": -200, "export_limit_out_mw": 200, "scheduled_mw": 114}, {"interface_name": "Phase 2", "import_limit_in_mw": -2000, "export_limit_out_mw": 1200, "scheduled_mw": 0}][{"city_name": "Boston", "high_temperature": 62, "weather_conditions": "Rain", "wind_direction_speed": "SE-9"}, {"city_name": "Hartford", "high_temperature": 61, "weather_conditions": "Rain", "wind_direction_speed": "SE-6"}]002026-09-20 15:00:19.167161
2026-09-19 04:00:00.0000002026-09-19T00:00:00.000-04:002026-09-18T16:00:05.000-04:00268271257206518193884818317914-693[{"interface_name": "Highgate", "tie_flow_mw": 0}, {"interface_name": "NB", "tie_flow_mw": 398}, {"interface_name": "NECEC", "tie_flow_mw": -1090}, {"interface_name": "NYISO AC", "tie_flow_mw": -331}, {"interface_name": "NYISO CSC", "tie_flow_mw": 280}, {"interface_name": "NYISO NNC", "tie_flow_mw": 50}, {"interface_name": "Phase 2", "tie_flow_mw": 0}]168752026-09-19T20:00:00.000-04:00131002030151301745160158512382161314241424606235100[{"interface_name": "Highgate", "import_limit_in_mw": -217, "export_limit_out_mw": 0, "scheduled_mw": 0}, {"interface_name": "NB", "import_limit_in_mw": -650, "export_limit_out_mw": 400, "scheduled_mw": 398}, {"interface_name": "NECEC", "import_limit_in_mw": -1250, "export_limit_out_mw": 0, "scheduled_mw": -1090}, {"interface_name": "NYISO AC", "import_limit_in_mw": -1400, "export_limit_out_mw": 600, "scheduled_mw": -331}, {"interface_name": "NYISO CSC", "import_limit_in_mw": -346, "export_limit_out_mw": 330, "scheduled_mw": 280}, {"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": 58, "weather_conditions": "Partly Cloudy", "wind_direction_speed": "SE-8"}, {"city_name": "Hartford", "high_temperature": 59, "weather_conditions": "Partly Cloudy", "wind_direction_speed": "S-4"}]002026-09-19 15:00:18.712588
2026-09-18 04:00:00.0000002026-09-18T00:00:00.000-04:002026-09-17T16:00:05.000-04:0026827190581121682979776322914-1891[{"interface_name": "Highgate", "tie_flow_mw": -212}, {"interface_name": "NB", "tie_flow_mw": 348}, {"interface_name": "NECEC", "tie_flow_mw": -1090}, {"interface_name": "NYISO AC", "tie_flow_mw": -381}, {"interface_name": "NYISO CSC", "tie_flow_mw": 330}, {"interface_name": "NYISO NNC", "tie_flow_mw": 199}, {"interface_name": "Phase 2", "tie_flow_mw": -1085}]200962026-09-18T19:00:00.000-04:00150702034171042992160283212392522814251425609360100[{"interface_name": "Highgate", "import_limit_in_mw": -217, "export_limit_out_mw": 0, "scheduled_mw": -212}, {"interface_name": "NB", "import_limit_in_mw": -650, "export_limit_out_mw": 400, "scheduled_mw": 348}, {"interface_name": "NECEC", "import_limit_in_mw": -1250, "export_limit_out_mw": 0, "scheduled_mw": -1090}, {"interface_name": "NYISO AC", "import_limit_in_mw": -1400, "export_limit_out_mw": 600, "scheduled_mw": -381}, {"interface_name": "NYISO CSC", "import_limit_in_mw": -346, "export_limit_out_mw": 330, "scheduled_mw": 330}, {"interface_name": "NYISO NNC", "import_limit_in_mw": -200, "export_limit_out_mw": 200, "scheduled_mw": 199}, {"interface_name": "Phase 2", "import_limit_in_mw": -2000, "export_limit_out_mw": 1200, "scheduled_mw": -1085}][{"city_name": "Boston", "high_temperature": 70, "weather_conditions": "Clear", "wind_direction_speed": "NW-11"}, {"city_name": "Hartford", "high_temperature": 70, "weather_conditions": "Partly Cloudy", "wind_direction_speed": "NW-7"}]002026-09-18 15:00:18.511884
2026-09-17 04:00:00.0000002026-09-17T00:00:00.000-04:002026-09-16T16:00:10.000-04:0026827108528219012183641321714-1714[{"interface_name": "Highgate", "tie_flow_mw": -212}, {"interface_name": "NB", "tie_flow_mw": 398}, {"interface_name": "NECEC", "tie_flow_mw": -1090}, {"interface_name": "NYISO AC", "tie_flow_mw": 134}, {"interface_name": "NYISO CSC", "tie_flow_mw": 330}, {"interface_name": "NYISO NNC", "tie_flow_mw": 174}, {"interface_name": "Phase 2", "tie_flow_mw": -1448}]212332026-09-17T20:00:00.000-04:00163502285186352598160243814482522816651665620321800[{"interface_name": "Highgate", "import_limit_in_mw": -217, "export_limit_out_mw": 0, "scheduled_mw": -212}, {"interface_name": "NB", "import_limit_in_mw": -650, "export_limit_out_mw": 400, "scheduled_mw": 398}, {"interface_name": "NECEC", "import_limit_in_mw": -1250, "export_limit_out_mw": 0, "scheduled_mw": -1090}, {"interface_name": "NYISO AC", "import_limit_in_mw": -1400, "export_limit_out_mw": 1200, "scheduled_mw": 134}, {"interface_name": "NYISO CSC", "import_limit_in_mw": -346, "export_limit_out_mw": 330, "scheduled_mw": 330}, {"interface_name": "NYISO NNC", "import_limit_in_mw": -200, "export_limit_out_mw": 200, "scheduled_mw": 174}, {"interface_name": "Phase 2", "import_limit_in_mw": -2000, "export_limit_out_mw": 1200, "scheduled_mw": -1448}][{"city_name": "Boston", "high_temperature": 71, "weather_conditions": "Rain", "wind_direction_speed": "S-7"}, {"city_name": "Hartford", "high_temperature": 73, "weather_conditions": "Rain", "wind_direction_speed": "S-7"}]002026-09-17 15:00:19.572521
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2026-09-05 04:00:00.0000002026-09-05T00:00:00.000-04:002026-09-04T15:50:14.000-04:002682820231118671878902117714-1581[{"interface_name": "Highgate", "tie_flow_mw": 0}, {"interface_name": "NB", "tie_flow_mw": -2}, {"interface_name": "NECEC", "tie_flow_mw": -1088}, {"interface_name": "NYISO AC", "tie_flow_mw": -696}, {"interface_name": "NYISO CSC", "tie_flow_mw": 205}, {"interface_name": "NYISO NNC", "tie_flow_mw": 0}, {"interface_name": "Phase 2", "tie_flow_mw": 0}]196962026-09-05T20:00:00.000-04:00146002041166413055160289512472522814341434607366200[{"interface_name": "Highgate", "import_limit_in_mw": -225, "export_limit_out_mw": 0, "scheduled_mw": 0}, {"interface_name": "NB", "import_limit_in_mw": -650, "export_limit_out_mw": 400, "scheduled_mw": -2}, {"interface_name": "NECEC", "import_limit_in_mw": -1250, "export_limit_out_mw": 0, "scheduled_mw": -1088}, {"interface_name": "NYISO AC", "import_limit_in_mw": -1400, "export_limit_out_mw": 1200, "scheduled_mw": -696}, {"interface_name": "NYISO CSC", "import_limit_in_mw": -346, "export_limit_out_mw": 330, "scheduled_mw": 205}, {"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": 0}][{"city_name": "Boston", "high_temperature": 75, "weather_conditions": "Mostly Cloudy", "wind_direction_speed": "NW 7"}, {"city_name": "Hartford", "high_temperature": 76, "weather_conditions": "Mostly Cloudy", "wind_direction_speed": "W 8"}]002026-09-05 15:00:21.712140
2026-09-04 04:00:00.0000002026-09-04T00:00:00.000-04:002026-09-03T15:54:20.000-04:00268281142915351544532522514-1580[{"interface_name": "Highgate", "tie_flow_mw": 0}, {"interface_name": "NB", "tie_flow_mw": -99}, {"interface_name": "NECEC", "tie_flow_mw": -1089}, {"interface_name": "NYISO AC", "tie_flow_mw": -441}, {"interface_name": "NYISO CSC", "tie_flow_mw": 330}, {"interface_name": "NYISO NNC", "tie_flow_mw": 52}, {"interface_name": "Phase 2", "tie_flow_mw": -333}]228922026-09-04T20:00:00.000-04:00174002042194423450160329012472522814341434608405800[{"interface_name": "Highgate", "import_limit_in_mw": -225, "export_limit_out_mw": 0, "scheduled_mw": 0}, {"interface_name": "NB", "import_limit_in_mw": -650, "export_limit_out_mw": 400, "scheduled_mw": -99}, {"interface_name": "NECEC", "import_limit_in_mw": -1250, "export_limit_out_mw": 0, "scheduled_mw": -1089}, {"interface_name": "NYISO AC", "import_limit_in_mw": -1400, "export_limit_out_mw": 1200, "scheduled_mw": -441}, {"interface_name": "NYISO CSC", "import_limit_in_mw": -346, "export_limit_out_mw": 330, "scheduled_mw": 330}, {"interface_name": "NYISO NNC", "import_limit_in_mw": -200, "export_limit_out_mw": 200, "scheduled_mw": 52}, {"interface_name": "Phase 2", "import_limit_in_mw": -2000, "export_limit_out_mw": 1200, "scheduled_mw": -333}][{"city_name": "Boston", "high_temperature": 76, "weather_conditions": "Mostly Cloudy", "wind_direction_speed": "W 6"}, {"city_name": "Hartford", "high_temperature": 77, "weather_conditions": "Mostly Cloudy", "wind_direction_speed": "W 7"}]002026-09-04 15:00:20.564335
2026-09-03 04:00:00.0000002026-09-03T00:00:00.000-04:002026-09-02T15:55:08.000-04:002682812152019341954551121714-1634[{"interface_name": "Highgate", "tie_flow_mw": 0}, {"interface_name": "NB", "tie_flow_mw": -175}, {"interface_name": "NECEC", "tie_flow_mw": -1089}, {"interface_name": "NYISO AC", "tie_flow_mw": -390}, {"interface_name": "NYISO CSC", "tie_flow_mw": 330}, {"interface_name": "NYISO NNC", "tie_flow_mw": -25}, {"interface_name": "Phase 2", "tie_flow_mw": -285}]224152026-09-03T20:00:00.000-04:00176902043197332682160252212472522814341434609329100[{"interface_name": "Highgate", "import_limit_in_mw": -225, "export_limit_out_mw": 0, "scheduled_mw": 0}, {"interface_name": "NB", "import_limit_in_mw": -650, "export_limit_out_mw": 400, "scheduled_mw": -175}, {"interface_name": "NECEC", "import_limit_in_mw": -1250, "export_limit_out_mw": 0, "scheduled_mw": -1089}, {"interface_name": "NYISO AC", "import_limit_in_mw": -1400, "export_limit_out_mw": 500, "scheduled_mw": -390}, {"interface_name": "NYISO CSC", "import_limit_in_mw": -346, "export_limit_out_mw": 330, "scheduled_mw": 330}, {"interface_name": "NYISO NNC", "import_limit_in_mw": -100, "export_limit_out_mw": 100, "scheduled_mw": -25}, {"interface_name": "Phase 2", "import_limit_in_mw": -2000, "export_limit_out_mw": 1200, "scheduled_mw": -285}][{"city_name": "Boston", "high_temperature": 75, "weather_conditions": "Thunderstorms", "wind_direction_speed": "W 7"}, {"city_name": "Hartford", "high_temperature": 75, "weather_conditions": "Thunderstorms", "wind_direction_speed": "W 6"}]002026-09-03 15:00:22.324281

Coverage

99.2% complete1 gap days128 days with data
Show coverage history
Coverage: 99.2%Days with data: 128Gaps: 1
2026
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