---
title: "Yearly System Turnover"
method: GET
path: "/api/v2/System/Turnover/Yearly"
tags: ["System"]
---

# Yearly System Turnover

`GET /api/v2/System/Turnover/Yearly`

Returns system turnover volumes for a year
            
System turnover refers to the total purchase volume that comes from the system price calculation across the whole Nordic region.
            
### Response field descriptions
**yearlySummary**: 
 - **totalTurnover**: contains total turnover volume in MWh for the year
 - **averageTurnover**: the average turnover volume in MW across all delivery periods
 - **minTurnover**: the minimum turnover in MW across all delivery periods
 - **maxTurnover**: the maximum turnover in MW across all delivery periods
            
**monthlySummary**: a list of monthly aggregate values
 - **totalTurnover**: contains total turnover volume in MWh for the month
 - **averageTurnover**: the average turnover volume in MW across all delivery periods in the month
 - **minTurnover**: the minimum turnover in MW across all delivery periods in the month
 - **maxTurnover**: the maximum turnover in MW across all delivery periods in the month
            
**dailySummary**: a list of daily aggregate values
 - **totalTurnover**: contains total turnover volume in MWh for the day
 - **averageTurnover**: the average turnover volume in MW across all delivery periods in the day
 - **minTurnover**: the minimum turnover in MW across all delivery periods in the day
 - **maxTurnover**: the maximum turnover in MW across all delivery periods in the day

**blockSummaries**: a list of turnover volumes in MWh for a period of the day.
            
**volumes**: a list of turnover volumes in MW per delivery period

Only final system turnover volumes are included in this endpoint.

## Query parameters

- `year` integer, required

## Response `200`

OK

- ApiSystemYearlyTurnover
  - `year` integer
  - `status` 'Missing' | 'Preliminary' | 'Final' | 'Cancelled'
  - `updatedAt` string, date-time
  - `unit` string, nullable
  - `totalTurnoverUnit` string, nullable
  - `blockTurnoverUnit` string, nullable
  - `dailySummaries` SystemVolumeDailySummary[], nullable
    - `totalTurnover` number, double
    - `averageTurnover` number, double
    - `minTurnover` number, double
    - `maxTurnover` number, double
    - `deliveryDateCET` string, date
  - `monthlySummaries` SystemVolumeMonthlySummary[], nullable
    - `totalTurnover` number, double
    - `averageTurnover` number, double
    - `minTurnover` number, double
    - `maxTurnover` number, double
    - `deliveryDateStartCET` string, date
    - `deliveryDateEndCET` string, date
  - `yearlySummary` SystemVolumeSummary
    - `totalTurnover` number, double
    - `averageTurnover` number, double
    - `minTurnover` number, double
    - `maxTurnover` number, double
  - `blockSummaries` SystemVolumeBlockAggregate[], nullable
    - `blockName` string, nullable
    - `blockStart` string, date-time
    - `blockEnd` string, date-time
    - `turnover` number, double, nullable
  - `volumes` SystemVolumeEntry[], nullable
    - `deliveryStart` string, date-time
    - `deliveryEnd` string, date-time
    - `turnover` number, double

## Other responses

- `400` — Bad Request
- `401` — Unauthorized
- `403` — Forbidden

---

[API](https://skmtc.net/nordpoolgroup/apis/auction-member-test.md) · [All operations](https://skmtc.net/nordpoolgroup/apis/auction-member-test/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/nordpoolgroup/auction-member-test/revisions/6a21504d677e/schema)