---
title: "Historic generation automatically down-sampled (FUELINST)"
method: GET
path: "/generation/outturn/summary"
tags: ["Generation"]
---

# Historic generation automatically down-sampled (FUELINST)

`GET /generation/outturn/summary`

⚠ This endpoint provides a down-sampled data summary intended for visualisation purposes.
Use raw dataset endpoints under /datasets for full access.

## Query parameters

- `startTime` string, date-time
- `endTime` string, date-time
- `includeNegativeGeneration` boolean
- `format` 'json' | 'xml'

## Response `200`

OK

- InsightsApiModelsResponsesGenerationOutturnGenerationBySettlementPeriod[]
  - `startTime` string, date-time, nullable
  - `settlementPeriod` integer, nullable
  - `data` InsightsApiModelsResponsesGenerationOutturnGenerationValue[], nullable
    - `fuelType` string, nullable
    - `generation` integer

---

[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/revisions/d94e9edb295e/schema)