> ## Documentation Index
> Fetch the complete documentation index at: https://docs.felixfusion.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Get daily peak report

> Return the daily peak-load report for the requested ISO and date.



## OpenAPI

````yaml GET /v1/reports/daily_peak/{iso}
openapi: 3.1.0
info:
  title: GridCertainty Public API
  description: >-
    Read-only public API for ERCOT datasets, pricing locations, reports, and
    system metadata.
  version: 1.0.0
servers:
  - url: https://api.felixfusion.ai
    description: Production public API
  - url: http://localhost:8001
    description: Local public API
security:
  - ApiKeyHeader: []
  - ApiKeyQuery: []
paths:
  /v1/reports/daily_peak/{iso}:
    get:
      tags:
        - Reports
      summary: Get daily peak report
      description: Return the daily peak-load report for the requested ISO and date.
      operationId: get_daily_peak_report
      parameters:
        - $ref: '#/components/parameters/iso'
        - $ref: '#/components/parameters/date'
      responses:
        '200':
          description: Daily peak report
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DailyPeakReportResponse'
        '404':
          $ref: '#/components/responses/NotFound'
components:
  parameters:
    iso:
      name: iso
      in: path
      required: true
      schema:
        type: string
        enum:
          - ercot
      description: ISO code. Current public reporting support is ERCOT.
    date:
      name: date
      in: query
      required: true
      schema:
        type: string
      description: Date for the requested report, for example `2026-05-18`.
  schemas:
    DailyPeakReportResponse:
      type: object
      properties:
        iso:
          type: string
        date:
          type: string
        peak_load_mw:
          type:
            - number
            - 'null'
        peak_time_utc:
          type:
            - string
            - 'null'
      additionalProperties: true
    ErrorResponse:
      type: object
      properties:
        detail:
          oneOf:
            - type: string
            - type: object
              additionalProperties: true
  responses:
    NotFound:
      description: Resource not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
          example:
            detail: Dataset not found
  securitySchemes:
    ApiKeyHeader:
      type: apiKey
      in: header
      name: x-api-key
    ApiKeyQuery:
      type: apiKey
      in: query
      name: api_key

````