---
title: "Changes to Get Forecast Aggregation"
method: GET
path: "/data/forecast/aggregations"
---

# Changes to Get Forecast Aggregation

`GET /data/forecast/aggregations`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 5 of 15 revisions.

- **2026-08-26** `ec8e5425d984`: 1 breaking, 8 info
- **2026-08-14** `d5799520aefe`: 1 breaking
- **2026-08-10** `217ea2f95fa2`: 1 info
- **2026-08-02** `26cf4e29209b`: 1 breaking, 6 info
- **2025-05-14** `6b886f970f0c`: 8 warning, 2 info

## Changes

- **2026-08-26** `ec8e5425d984`: 1 breaking, 8 info
  - the `query` request parameter `format` was restricted to a list of enum values
  - added the new enum value `csv` to the `query` request parameter `format`
  - added the new enum value `json` to the `query` request parameter `format`
  - added the enum value `percentage` to the property `items/` of the `query` request parameter `output_parameters`
  - added the enum value `percentage10` to the property `items/` of the `query` request parameter `output_parameters`
  - added the enum value `percentage90` to the property `items/` of the `query` request parameter `output_parameters`
  - added the enum value `pv_estimate` to the property `items/` of the `query` request parameter `output_parameters`
  - added the enum value `pv_estimate10` to the property `items/` of the `query` request parameter `output_parameters`
  - added the enum value `pv_estimate90` to the property `items/` of the `query` request parameter `output_parameters`
- **2026-08-14** `d5799520aefe`: 1 breaking
  - the `query` request parameter `collection_id` became required
- **2026-08-10** `217ea2f95fa2`: 1 info
  - api operation id `GetForecastAggregation` was added
- **2026-08-02** `26cf4e29209b`: 1 breaking, 6 info
  - the `query` request parameter `period` was restricted to a list of enum values
  - added the new enum value `PT10M` to the `query` request parameter `period`
  - added the new enum value `PT15M` to the `query` request parameter `period`
  - added the new enum value `PT20M` to the `query` request parameter `period`
  - added the new enum value `PT30M` to the `query` request parameter `period`
  - added the new enum value `PT5M` to the `query` request parameter `period`
  - added the new enum value `PT60M` to the `query` request parameter `period`
- **2025-05-14** `6b886f970f0c`: 8 warning, 2 info
  - deleted the `query` request parameter `azimuth`
  - deleted the `query` request parameter `capacity`
  - deleted the `query` request parameter `install_date`
  - deleted the `query` request parameter `latitude`
  - deleted the `query` request parameter `longitude`
  - deleted the `query` request parameter `loss_factor`
  - deleted the `query` request parameter `terrain_shading`
  - deleted the `query` request parameter `tilt`
  - added the new optional `query` request parameter `aggregation_id`
  - added the new optional `query` request parameter `collection_id`

---

[Operation](https://skmtc.dev/solcast/apis/solcast-api/docs/data/forecast/aggregations/get.md) - [API](https://skmtc.dev/solcast/apis/solcast-api.md) - [Page](https://skmtc.dev/solcast/apis/solcast-api/changes/data/forecast/aggregations/get)