{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$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/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 }