`pjm_lmp_realtime`

Pack: pjm · Endpoint: https://gateway.pipeworx.io/pjm/mcp

No MCP client? Call it directly: GET https://gateway.pipeworx.io/v1/tools/pjm_lmp_realtime for the schema, then POST the same URL with its arguments for the data.

PJM real-time five-minute locational marginal prices (LMP $/MWh) by pricing node, with the total price and its congestion and marginal-loss components. PJM is the largest US grid operator (13 states + DC, ~65M people). Use for “PJM power price right now”, “PJM Western Hub price”, “which PJM nodes are congested”. Requires a PJM API key.

Parameters

Name	Type	Required	Description
`pnode_id`	string	no	Filter to one PJM pricing-node id (e.g. 51288 for Western Hub).
`pnode_name`	string	no	Filter to one pricing-node name (e.g. “WESTERN HUB”).
`datetime_beginning_ept`	string	no	Eastern Prevailing Time range filter in Data Miner syntax, e.g. “9/17/2026 00:00 to 9/17/2026 23:59”. Omit for the most recent intervals.
`row_count`	number	no	Rows to return (default 50, max 500).
`_apiKey`	string	no	PJM Data Miner 2 subscription key. Free at ${SIGNUP}.

Example call

Arguments

{
  "pnode_name": "WESTERN HUB",
  "row_count": 50
}

curl

curl -X POST https://gateway.pipeworx.io/pjm/mcp \
  -H 'Content-Type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"pjm_lmp_realtime","arguments":{"pnode_name":"WESTERN HUB","row_count":50}}}'

TypeScript (@pipeworx/sdk)

import { Pipeworx } from '@pipeworx/sdk';
const pipeworx = new Pipeworx();

const result = await pipeworx.call('pjm_lmp_realtime', {
  "pnode_name": "WESTERN HUB",
  "row_count": 50
});

Connect

Add this to your MCP client config, or use one-click install buttons:

{
  "mcpServers": {
    "pjm": {
      "url": "https://gateway.pipeworx.io/pjm/mcp"
    }
  }
}

See Getting Started for client-specific install steps.

Regenerated from source · build September 18, 2026

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