---
title: "Stable Export Limit (SEL) stream"
method: GET
path: "/datasets/SEL/stream"
tags: ["BMRS Datasets"]
---

# Stable Export Limit (SEL) stream

`GET /datasets/SEL/stream`

This endpoint provides Stable Export Limit data received from NGESO.
Stable Export Limit is a positive megawatt value, expressing the minimum stable operating level at which a particular BM Unit can export power to the transmission system.
            
If no date window is chosen, the search will default to results from last 24 hours.
            
This endpoint has an optimised JSON payload and is aimed at frequent requests for SEL data.

## Query parameters

- `from` string, date-time
- `to` string, date-time
- `bmUnit` string[]

## Response `200`

Data retrieved

- InsightsApiModelsResponsesBalancingDynamicDatasetRowsStablePortageLimitData[]
  - `dataset` string, nullable
  - `settlementDate` string, date
  - `settlementPeriod` integer
  - `time` string, date-time
  - `level` 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)