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New York grid data from NYISO: real-time and day-ahead prices, load, fuel mix, and forecasts.

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Questions you can ask

  • “Real-time LBMP by zone for the last hour.”
  • “What is New York's generation fuel mix today?”
  • “Tomorrow's hourly load forecast for New York City.”
Sample outputfor “Real-time LBMP by zone for the last hour.”
ZoneLBMP ($/MWh)Congestion ($/MWh)
N.Y.C.48.20-6.10
LONGIL51.70-8.90
WEST31.400.00

Illustrative values showing the shape of an answer, not live data.

About this source

NYISO public New York electricity-market data: bounded real-time and day-ahead LBMPs, actual load, fuel mix, external-interface flows, load forecasts, and getOfficialReport exact access to all 53 official public P-code report families.

Connector ID nyiso

Provenance

PublisherNYISO Market Information System
Sourcehttps://mis.nyiso.com/public/
API basehttps://mis.nyiso.com/public
Docshttps://www.nyiso.com/energy-market-operational-data

Freshness & coverage

FreshnessNear real-time — Publication frequency varies by daily CSV feed; current-day files can be updated throughout the trading day.
GeographicNew York Control Area and reported external interfaces
Temporal… → present — Caller selects one published trading date; availability varies by feed and historical retention.
AuthenticationNo credentials required

Caveats

  • ⚠ Timestamps are NYISO local Eastern Prevailing Time (EPT) unless the feed includes a more specific time-zone field.
  • ⚠ Defaults use the previous UTC date because current-day files may not be published early in the UTC day.

› Methods (7)

Technical detail for developers: parameters, pagination, units, and freshness per method.

  • getRealtimeLmps

    read

    Get bounded real-time NYISO LBMP components by zone or generator.

    Entitieslocational-based-marginal-price
    Paginationoffset (offsetField: offset, limitField: limit)
    UnitslbmpUsdPerMwh: USD/MWh · marginalLossUsdPerMwh: USD/MWh · marginalCongestionUsdPerMwh: USD/MWh
    FreshnessNear real-time

  • getDayAheadLmps

    read

    Get bounded day-ahead NYISO LBMP components by zone or generator.

    Entitieslocational-based-marginal-price
    Paginationoffset (offsetField: offset, limitField: limit)
    UnitslbmpUsdPerMwh: USD/MWh · marginalLossUsdPerMwh: USD/MWh · marginalCongestionUsdPerMwh: USD/MWh
    FreshnessScheduled · every P1D

  • getLoad

    read

    Get bounded actual five-minute NYISO load observations by zone.

    Entitiesactual-load
    Paginationoffset (offsetField: offset, limitField: limit)
    UnitsloadMw: MW
    FreshnessNear real-time

  • getFuelMix

    read

    Get bounded real-time NYISO generation by fuel category.

    Entitiesgeneration-by-fuel
    Paginationoffset (offsetField: offset, limitField: limit)
    UnitsgenerationMw: MW
    FreshnessNear real-time

  • getInterfaceFlows

    read

    Get bounded NYISO external-interface flows and reported limits.

    Entitiesexternal-interface-flow
    Paginationoffset (offsetField: offset, limitField: limit)
    UnitsflowMwh: MWh · positiveLimitMwh: MWh · negativeLimitMwh: MWh
    FreshnessNear real-time

  • getLoadForecast

    read

    Get bounded hourly NYISO zonal or total-system load forecasts.

    Entitiesload-forecast
    Paginationoffset (offsetField: offset, limitField: limit)
    UnitsforecastLoadMw: MW
    FreshnessScheduled

  • getOfficialReport

    read

    Get one of 53 official NYISO P-code report families with bounded rows and resource links.

    Entitiesofficial-report-family
    Paginationoffset (offsetField: offset, limitField: limit)
    FreshnessNear real-time