---
title: "BMU IDs and Fuel Types"
method: GET
path: "/gb/elexon/reference/bmunits"
tags: ["Elexon"]
---

# BMU IDs and Fuel Types

`GET /gb/elexon/reference/bmunits`

A current list of BM units from Elexon Insights.

## Query parameters

- `limit` integer
- `offset` integer

## Response `200`

Success

- object
  - `count` integer, required
  - `next` string, uri, nullable
  - `previous` string, uri, nullable
  - `results` BMUnits[], required
    - `nationalGridBmUnit` string
    - `elexonBmUnit` string
    - `fuelType` string
    - `leadPartyName` string
    - `bmUnitType` string
    - `fpnFlag` boolean
    - `bmUnitName` string
    - `leadPartyId` string
    - `demandCapacity` number, nullable
    - `generationCapacity` number, nullable
    - `productionOrConsumptionFlag` string, nullable
    - `transmissionLossFactor` number, nullable
    - `workingDayCreditAssessmentImportCapability` number, nullable
    - `nonWorkingDayCreditAssessmentImportCapability` number, nullable
    - `workingDayCreditAssessmentExportCapability` number, nullable
    - `nonWorkingDayCreditAssessmentExportCapability` number, nullable
    - `creditQualifyingStatus` boolean, nullable
    - `demandInProductionFlag` string, nullable

## Other responses

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

---

[API](https://skmtc.net/modoenergy/apis/modo-energy-api.md) · [All operations](https://skmtc.net/modoenergy/apis/modo-energy-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/modoenergy/modo-energy-api/versions/6c4b83d3fc12/schema)