NYISO Real-Time Ancillary Services Prices record

Real-time market ancillary services clearing prices by zone. One object per row of NYISO MIS public archive CSV report P-6B (http://mis.nyiso.com/public/csv/rtasp/rtasp.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.

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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
name string CSV column "Name"; observed example value: CAPITL
ptid integer CSV column "PTID"; observed example value: 61757
10_min_spinning_reserve_usd_per_mwh number CSV column "10 Min Spinning Reserve ($/MWHr)"; observed example value: 0.00
10_min_non_synchronous_reserve_usd_per_mwh number CSV column "10 Min Non-Synchronous Reserve ($/MWHr)"; observed example value: 0.00
30_min_operating_reserve_usd_per_mwh number CSV column "30 Min Operating Reserve ($/MWHr)"; observed example value: 0.00
nyca_regulation_capacity_usd_per_mwh number CSV column "NYCA Regulation Capacity ($/MWHr)"; observed example value: 10.89
nyca_regulation_movement_usd_per_mw number CSV column "NYCA Regulation Movement ($/MW)"; observed example value: 0.00
View JSON Schema on GitHub

JSON Schema

nyiso-rtasp-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-rtasp-schema.json",
  "title": "NYISO Real-Time Ancillary Services Prices record",
  "description": "Real-time market ancillary services clearing prices by zone. One object per row of NYISO MIS public archive CSV report P-6B (http://mis.nyiso.com/public/csv/rtasp/<YYYYMMDD>rtasp.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-6B",
  "x-source-url": "http://mis.nyiso.com/public/csv/rtasp/20260726rtasp.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"
    },
    "name": {
      "type": "string",
      "title": "Name",
      "description": "CSV column \"Name\"; observed example value: CAPITL"
    },
    "ptid": {
      "type": "integer",
      "title": "PTID",
      "description": "CSV column \"PTID\"; observed example value: 61757"
    },
    "10_min_spinning_reserve_usd_per_mwh": {
      "type": "number",
      "title": "10 Min Spinning Reserve ($/MWHr)",
      "description": "CSV column \"10 Min Spinning Reserve ($/MWHr)\"; observed example value: 0.00"
    },
    "10_min_non_synchronous_reserve_usd_per_mwh": {
      "type": "number",
      "title": "10 Min Non-Synchronous Reserve ($/MWHr)",
      "description": "CSV column \"10 Min Non-Synchronous Reserve ($/MWHr)\"; observed example value: 0.00"
    },
    "30_min_operating_reserve_usd_per_mwh": {
      "type": "number",
      "title": "30 Min Operating Reserve ($/MWHr)",
      "description": "CSV column \"30 Min Operating Reserve ($/MWHr)\"; observed example value: 0.00"
    },
    "nyca_regulation_capacity_usd_per_mwh": {
      "type": "number",
      "title": "NYCA Regulation Capacity ($/MWHr)",
      "description": "CSV column \"NYCA Regulation Capacity ($/MWHr)\"; observed example value: 10.89"
    },
    "nyca_regulation_movement_usd_per_mw": {
      "type": "number",
      "title": "NYCA Regulation Movement ($/MW)",
      "description": "CSV column \"NYCA Regulation Movement ($/MW)\"; observed example value: 0.00"
    }
  },
  "required": [
    "time_stamp",
    "time_zone",
    "name",
    "ptid",
    "10_min_spinning_reserve_usd_per_mwh",
    "10_min_non_synchronous_reserve_usd_per_mwh",
    "30_min_operating_reserve_usd_per_mwh",
    "nyca_regulation_capacity_usd_per_mwh",
    "nyca_regulation_movement_usd_per_mw"
  ],
  "additionalProperties": false
}