---
title: "Output per Generation Unit (B1610)"
method: GET
path: "/gb/elexon/system/actual-generation-b1610"
tags: ["Elexon"]
---

# Output per Generation Unit (B1610)

`GET /gb/elexon/system/actual-generation-b1610`

Actual metered volume output in MWh for all BM units, per settlement period.  Published 5 days after delivery period.

## Query parameters

- `date_from` string, date-time, required
- `date_to` string, date-time, required
- `bm_unit` string
- `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` B1610[], required
    - `psrType` string, required
    - `bmUnit` string, required
    - `nationalGridBmUnitId` string, required
    - `settlementDate` string, date
    - `settlementPeriod` integer
    - `halfHourStartTime` string, date-time
    - `halfHourEndTime` string, date-time
    - `quantityMWh` number

## 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/revisions/6c4b83d3fc12/schema)