NYISO Day-Ahead Market Zonal LBMP record

Day-ahead market locational based marginal price for each NYISO load zone, hourly. One object per row of NYISO MIS public archive CSV report P-2A (http://mis.nyiso.com/public/csv/damlbmp/damlbmp_zone.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 00:00
name string CSV column "Name"; observed example value: CAPITL
ptid integer CSV column "PTID"; observed example value: 61757
lbmp_usd_per_mwh number CSV column "LBMP ($/MWHr)"; observed example value: 42.35
marginal_cost_losses_usd_per_mwh number CSV column "Marginal Cost Losses ($/MWHr)"; observed example value: 1.03
marginal_cost_congestion_usd_per_mwh number CSV column "Marginal Cost Congestion ($/MWHr)"; observed example value: 0.00
View JSON Schema on GitHub

JSON Schema

nyiso-damlbmp-zone-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-damlbmp-zone-schema.json",
  "title": "NYISO Day-Ahead Market Zonal LBMP record",
  "description": "Day-ahead market locational based marginal price for each NYISO load zone, hourly. One object per row of NYISO MIS public archive CSV report P-2A (http://mis.nyiso.com/public/csv/damlbmp/<YYYYMMDD>damlbmp_zone.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-2A",
  "x-source-url": "http://mis.nyiso.com/public/csv/damlbmp/20260726damlbmp_zone.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 00:00"
    },
    "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"
    },
    "lbmp_usd_per_mwh": {
      "type": "number",
      "title": "LBMP ($/MWHr)",
      "description": "CSV column \"LBMP ($/MWHr)\"; observed example value: 42.35"
    },
    "marginal_cost_losses_usd_per_mwh": {
      "type": "number",
      "title": "Marginal Cost Losses ($/MWHr)",
      "description": "CSV column \"Marginal Cost Losses ($/MWHr)\"; observed example value: 1.03"
    },
    "marginal_cost_congestion_usd_per_mwh": {
      "type": "number",
      "title": "Marginal Cost Congestion ($/MWHr)",
      "description": "CSV column \"Marginal Cost Congestion ($/MWHr)\"; observed example value: 0.00"
    }
  },
  "required": [
    "time_stamp",
    "name",
    "ptid",
    "lbmp_usd_per_mwh",
    "marginal_cost_losses_usd_per_mwh",
    "marginal_cost_congestion_usd_per_mwh"
  ],
  "additionalProperties": false
}