Ontario Hourly Electricity Demand, Latest 48 Hours (IESO)

iesopublicreports/recent-demand

The latest 48 hours of hourly electricity demand on the Ontario grid from the Independent Electricity System Operator (IESO), newest first: for each hour the date, the hour number (1 to 24, as the IESO numbers them), the Market Demand and the Ontario Demand in megawatts. Market Demand includes exports; Ontario Demand is demand inside the province. Takes no input. Also returns when the IESO created the report and the number of hours it holds for the year. IESO data subject to the IESO Terms of Use; served by Eden Engine; not an official IESO product.

activeper callv1

Price

$0.0026 per call

You pay the price shown. If a call turns out to cost more than its quote, you pay the actual price, capped at twice the quote. No monthly minimum. Top-ups start at $0.50.

Data source

Independent Electricity System Operator (IESO)

Copyright © 2004-2022 Independent Electricity System Operator, all rights reserved. This information is subject to the Terms of Use set out in the IESO's website (www.ieso.ca). Served by Eden Engine; not an official IESO product.

Use it

Five steps: search, inspect, learn, run, settle. No per-tool setup; your agent reaches this tool through the meta-tools it already has.

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agent

// 1. search: find the tool
omnial_search({ query: "what you need" })

// 2. inspect: price and input schema
omnial_inspect({ tool: "iesopublicreports/recent-demand" })

// 3. learn: read the usage guide at runtime
omnial_learn({ tool: "iesopublicreports/recent-demand" })

// 4. run: price the exact call first, then run it
omnial_execute({ tool: "iesopublicreports/recent-demand", input: { /* see input_schema */ }, dry_run: true })
omnial_execute({ tool: "iesopublicreports/recent-demand", input: { /* ... */ } })

// 5. settle: the call is charged when it finishes, nothing to do

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Pricing

Every charge this tool can incur.

Charge	Price
Per call	$0.0026

Updated: Oct 25, 2026

Input and output schemas

Input schema

input_schema.json

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

Output schema

output_schema.json

{
  "type": "object",
  "required": [
    "totalRows",
    "count",
    "hours"
  ],
  "properties": {
    "count": {
      "type": "integer",
      "description": "Hours in this answer (at most 48)."
    },
    "hours": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "date",
          "hour",
          "marketDemandMw",
          "ontarioDemandMw"
        ],
        "properties": {
          "date": {
            "type": "string",
            "description": "Date of the hour (YYYY-MM-DD)."
          },
          "hour": {
            "type": "integer",
            "description": "Hour number as the report numbers it, 1 to 24."
          },
          "marketDemandMw": {
            "type": "number",
            "description": "Market Demand in megawatts (includes exports)."
          },
          "ontarioDemandMw": {
            "type": "number",
            "description": "Ontario Demand in megawatts."
          }
        },
        "additionalProperties": false
      },
      "description": "The latest hours, newest first."
    },
    "totalRows": {
      "type": "integer",
      "description": "Hourly rows the year's file holds so far."
    },
    "reportCreated": {
      "type": "string",
      "description": "When the IESO created the report, as the file states it (YYYY-MM-DD HH:MM:SS)."
    }
  },
  "additionalProperties": false
}