---
title: "BSUOSSF"
method: GET
path: "/gb/national-grid/charges/bsuossf"
tags: ["NESO"]
---

# BSUOSSF

`GET /gb/national-grid/charges/bsuossf`

## Request

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

Calculated BSUoS charge for Settlement Final (SF). These are updated daily with the actual Half Hourly BSUoS price. Total costs and volume information by settlement period is also published here.

## Query parameters

- `date_from` string, date, required
- `date_to` string, date, required
- `limit` integer
- `offset` integer

## Response `200`

Success

- object
  - `count` integer, required
  - `next` string, uri, nullable
  - `previous` string, uri, nullable
  - `results` SfBSUoS[], required
    - `settlementDay` string, date, required
    - `settlementPeriod` integer, required
    - `BSUoSTariff` number, required
    - `BSUoSFundTariff` number, required
    - `volume` number, required
    - `BSUoSRecovery` number, required
    - `BSUoSFundRecovery` number, required
    - `BSUoSTotalRecovery` number, required
    - `runType` string, required
    - `actualBSUoSCost` 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)