NYISO Real-Time Fuel Mix record

Real-time generation output in MW grouped by fuel category. One object per row of NYISO MIS public archive CSV report P-63 (http://mis.nyiso.com/public/csv/rtfuelmix/rtfuelmix.csv). DERIVED by API Evangelist from the header row and observed values of a live file fetched on 2026-07-27; NYISO publishes no schema document for this report. Timestamps are rendered by NYISO as MM/DD/YYYY HH:MM[:SS] in Eastern time, not ISO-8601.

EnergyUnited StatesElectricityEnergy MarketsGridOpen DataSystem OperatorNew YorkRenewablesEmissions

Properties

Name Type Description
time_stamp string CSV column "Time Stamp"; observed example value: 07/26/2026 00:05:00
time_zone string CSV column "Time Zone"; observed example value: EDT
fuel_category string CSV column "Fuel Category"; observed example value: Dual Fuel
gen_mw number CSV column "Gen MW"; observed example value: 3973.0
View JSON Schema on GitHub

JSON Schema

nyiso-rtfuelmix-schema.json Raw ↑
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/nyiso/refs/heads/main/json-schema/nyiso-rtfuelmix-schema.json",
  "title": "NYISO Real-Time Fuel Mix record",
  "description": "Real-time generation output in MW grouped by fuel category. One object per row of NYISO MIS public archive CSV report P-63 (http://mis.nyiso.com/public/csv/rtfuelmix/<YYYYMMDD>rtfuelmix.csv). DERIVED by API Evangelist from the header row and observed values of a live file fetched on 2026-07-27; NYISO publishes no schema document for this report. Timestamps are rendered by NYISO as MM/DD/YYYY HH:MM[:SS] in Eastern time, not ISO-8601.",
  "x-nyiso-report": "P-63",
  "x-source-url": "http://mis.nyiso.com/public/csv/rtfuelmix/20260726rtfuelmix.csv",
  "x-generated": "2026-07-27",
  "x-method": "derived",
  "type": "object",
  "properties": {
    "time_stamp": {
      "type": "string",
      "title": "Time Stamp",
      "description": "CSV column \"Time Stamp\"; observed example value: 07/26/2026 00:05:00"
    },
    "time_zone": {
      "type": "string",
      "title": "Time Zone",
      "description": "CSV column \"Time Zone\"; observed example value: EDT"
    },
    "fuel_category": {
      "type": "string",
      "title": "Fuel Category",
      "description": "CSV column \"Fuel Category\"; observed example value: Dual Fuel"
    },
    "gen_mw": {
      "type": "number",
      "title": "Gen MW",
      "description": "CSV column \"Gen MW\"; observed example value: 3973.0"
    }
  },
  "required": [
    "time_stamp",
    "time_zone",
    "fuel_category",
    "gen_mw"
  ],
  "additionalProperties": false
}