---
title: "WFFR Results Summary"
method: GET
path: "/gb/national-grid/wffr/results-summary"
tags: ["NESO"]
---

# WFFR Results Summary

`GET /gb/national-grid/wffr/results-summary`

## Request

- Base URL: `https://api.modoenergy.com/pub/v1`
- URL: `https://api.modoenergy.com/pub/v1/gb/national-grid/wffr/results-summary`
- Auth: one of:
  - API key in header `X-Token`
  - none

Details of all clearing prices and accepted volumes in the weekly Firm Frequency Response service.

## Query parameters

- `date_from` string, date, required
- `date_to` string, date, required
- `limit` integer
- `offset` integer
- `timezone` 'UTC' | 'Europe/Berlin' | 'Europe/London' | 'America/New_York' | 'America/Chicago' | 'America/Los_Angeles'

## Response `200`

Success

- object
  - `count` integer, required
  - `next` string, uri, nullable
  - `previous` string, uri, nullable
  - `results` WFFRResultSummaryItem[], required
    - `service` 'DLH' | 'LFS', required
    - `efa_date` string, date, required
    - `delivery_start` string, date-time, required
    - `delivery_end` string, date-time, required
    - `efa` integer, required
    - `cleared_volume` number, required
    - `cleared_price` number, required

## Other responses

- `400`: Bad Request
- `401`: Unauthorized
- `403`: Forbidden
- `404`: Not Found
- `429`: Too Many Requests

---

[API](https://skmtc.dev/modoenergy/apis/modo-energy-api.md) - [All operations](https://skmtc.dev/modoenergy/apis/modo-energy-api/llms.txt) - [OpenAPI document](https://skmtc.dev/modoenergy/apis/modo-energy-api/revisions/7d9d1bd6ee06?raw)