---
title: "Quiescent Physical Notifications (QPN)"
method: GET
path: "/datasets/QPN"
tags: ["BMRS Datasets"]
---

# Quiescent Physical Notifications (QPN)

`GET /datasets/QPN`

This endpoint provides Quiescent Physical Notification data received from NGESO. It returns the data valid for a single settlement period.
Quiescent Physical Notifications describe the MW levels to be deducted from the Physical Notification of a BM Unit to determine a resultant operating level.
            
The settlement period to query must be specified as a date and settlement period. The date should be provided in the format yyyy-MM-dd.

## Query parameters

- `settlementDate` string, date, required
- `settlementPeriod` integer, required
- `bmUnit` string[]
- `format` 'json' | 'xml' | 'csv'

## Response `200`

Data retrieved

- InsightsApiModelsResponsesDatasetResponse1InsightsApiModelsResponsesBalancingPhysicalDatasetRowsPhysicalNotificationData
  - `data` InsightsApiModelsResponsesBalancingPhysicalDatasetRowsPhysicalNotificationData[], nullable
    - `dataset` string, nullable
    - `settlementDate` string, date
    - `settlementPeriod` integer
    - `timeFrom` string, date-time
    - `timeTo` string, date-time
    - `levelFrom` integer
    - `levelTo` integer
    - `nationalGridBmUnit` string, nullable
    - `bmUnit` 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/versions/d94e9edb295e/schema)