---
title: "Triad demand peaks (S0142, ITSDO, FUELHH)"
method: GET
path: "/demand/peak/triad"
tags: ["Demand"]
---

# Triad demand peaks (S0142, ITSDO, FUELHH)

`GET /demand/peak/triad`

Operational Triad peaks are calculated from the indicative demand peaks data.

Settlement Triad Peaks are calculated from the latest metered volume data available at the point one month following the Triad season's end.
For any Triad season still in progress, the latest run type data is used.
            
All Triad peaks are at least 10 days clear of one another.

## Query parameters

- `data` 'operational' | 'settlement', required
- `triadSeasonStartYear` integer
- `format` 'json' | 'xml' | 'csv'

## Response `200`

Data retrieved

- InsightsApiModelsResponsesResponseWithMetadata1InsightsApiModelsResponsesDemandOutturnIndicativeDemandPeak
  - `data` InsightsApiModelsResponsesDemandOutturnIndicativeDemandPeak[], nullable
    - `settlementDate` string, date
    - `settlementPeriod` integer
    - `halfHourEndTime` string, date-time
    - `demand` number, double
    - `settlementRunType` string, nullable
  - `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)