---
title: "Day-ahead aggregated generation (DAG/B1430)"
method: GET
path: "/forecast/generation/day-ahead"
tags: ["Generation Forecast"]
---

# Day-ahead aggregated generation (DAG/B1430)

`GET /forecast/generation/day-ahead`

This endpoint provides day-ahead aggregated generation data filtered by settlement date.
            
This API endpoint has a maximum range of 7 days.

## Query parameters

- `from` string, date-time, required
- `to` string, date-time, required
- `settlementPeriodFrom` integer
- `settlementPeriodTo` integer
- `format` 'json' | 'xml' | 'csv'

## Response `200`

Data retrieved

- InsightsApiModelsResponsesResponseWithMetadata1InsightsApiModelsResponsesTransparencyDayAheadAggregatedGeneration
  - `data` InsightsApiModelsResponsesTransparencyDayAheadAggregatedGeneration[], nullable
    - `publishTime` string, date-time
    - `quantity` number, double
    - `startTime` string, date-time
    - `settlementDate` string, date
    - `settlementPeriod` integer
  - `metadata` InsightsApiModelsMetadataApiResponseSourceMetadata
    - `datasets` string[], 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/revisions/d94e9edb295e/schema)