SPP

Methods (6)

• getRealtimeLmps

  read

  Real-time 5-min LMPs by settlement location (LMP, congestion, loss components).

  Input schema

  {
    "type": "object",
    "properties": {
      "endpoint": {
        "type": "string"
      },
      "date": {
        "type": "string"
      }
    },
    "additionalProperties": false
  }

  date YYYY-MM-DD (default today). Large — thousands of pnode rows.

• getDayAheadLmps

  read

  Get day-ahead hourly LMPs by settlement location.

  Input schema

  {
    "type": "object",
    "properties": {
      "endpoint": {
        "type": "string"
      },
      "date": {
        "type": "string",
        "examples": [
          "2026-03-11"
        ]
      }
    },
    "additionalProperties": false
  }

  date format: YYYY-MM-DD. Returns 24 hours of DA prices per location.

• getGenerationMix

  read

  Get generation mix breakdown by fuel type.

  Input schema

  {
    "type": "object",
    "properties": {
      "endpoint": {
        "type": "string"
      },
      "period": {
        "type": "string",
        "examples": [
          "2hour"
        ],
        "oneOf": [
          {
            "type": "string",
            "enum": [
              "2hour"
            ]
          },
          {
            "type": "string",
            "enum": [
              "365day"
            ]
          },
          {
            "type": "string",
            "enum": [
              "ytd"
            ]
          }
        ]
      }
    },
    "additionalProperties": false
  }

  period: "2hour" (default, 5-min), "365day" (daily avg), "ytd".

• getLoadForecast

  read

  Get STLF/MTLF interval rows, with actual load when published.

  Paginationnone
  Input schema

  {
    "type": "object",
    "properties": {
      "endpoint": {
        "type": "string"
      }
    },
    "additionalProperties": false
  }

• getActualLoad

  read

  Get published actual load vs short-term forecast.

  Paginationnone
  Input schema

  {
    "type": "object",
    "properties": {
      "endpoint": {
        "type": "string"
      },
      "date": {
        "type": "string"
      }
    },
    "additionalProperties": false
  }

  YYYY-MM-DD optional. Omit for latest actual vs STLF.

• querySpp

  read

  Query any SPP portal endpoint. CSV paths auto-parsed to JSON; JSON endpoints returned directly.

  Required paramsendpoint
  Input schema

  {
    "type": "object",
    "properties": {
      "endpoint": {
        "type": "string",
        "examples": [
          "/chart-api/load-forecast/asChart"
        ]
      },
      "query": {
        "type": "object",
        "properties": {},
        "additionalProperties": true
      },
      "parseCsv": {
        "type": "boolean"
      }
    },
    "additionalProperties": false,
    "required": [
      "endpoint"
    ]
  }

  Endpoint relative to portal.spp.org. parseCsv=false for raw text.