---
title: "2 to 156 weeks ahead generation availability aggregated by Balancing Mechanism Units (UOU2T3YW)"
method: GET
path: "/datasets/UOU2T3YW"
tags: ["BMRS Datasets"]
---

# 2 to 156 weeks ahead generation availability aggregated by Balancing Mechanism Units (UOU2T3YW)

`GET /datasets/UOU2T3YW`

This endpoint forward view of availability (also referred to as Output Usable
data under the Grid Code) for generation and interconnector capacity, accounting for planned
outages covering availability data from 2 weeks ahead to 156 weeks ahead; it is aggregated by
Balancing Mechanism Units (BMUs).
            
In the context of this report, BMUs can be considered as generating units.
Elexon BMUs differs from NGC BMUs by including a prefix e.g. 'T_'.
The mapping between NGC and Elexon BMUs can be retrieved via reference data API endpoints.
            
This endpoint is subject to a limit of 100 requests per minute.
Any requests made beyond this limit may result in a 429 error ("Too Many Requests")

## Query parameters

- `fuelType` string[]
- `publishDateTimeFrom` string, date-time
- `publishDateTimeTo` string, date-time
- `bmUnit` string[]
- `format` 'json' | 'xml' | 'csv'

## Response `200`

Data retrieved

- InsightsApiModelsResponsesDatasetResponse1InsightsApiModelsResponsesGenerationDatasetRowsAvailabilityByBmUnitWeekly
  - `data` InsightsApiModelsResponsesGenerationDatasetRowsAvailabilityByBmUnitWeekly[], nullable
    - `dataset` string, nullable
    - `fuelType` string, nullable
    - `nationalGridBmUnit` string, nullable
    - `bmUnit` string, nullable
    - `publishTime` string, date-time, nullable
    - `week` integer, nullable
    - `year` integer, nullable
    - `outputUsable` integer, nullable

## Other responses

- `400` — Error with query parameters - see response for details
- `429` — Too many requests
- `500` — Server error - please try again later

---

[API](https://skmtc.net/elexon/apis/bmrs-insights.md) · [All operations](https://skmtc.net/elexon/apis/bmrs-insights/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/elexon/bmrs-insights/versions/d94e9edb295e/schema)