---
title: "Solar/wind generation forecasts for grid planning and load forecasting"
method: POST
path: "/api/german-grid/forecast"
tags: ["German Grid Data"]
---

# Solar/wind generation forecasts for grid planning and load forecasting

`POST /api/german-grid/forecast`

## Request

- Base URL: `https://api.cernion.de`
- URL: `https://api.cernion.de/api/german-grid/forecast`
- Auth: none declared

Official forecasts from German transmission system operators

## Query parameters

- `token` string

## Request body

- object
  - `product` 'Solar' | 'Wind', required: Renewable energy type to forecast
  - `dateFrom` string, required: Start date. ISO format (YYYY-MM-DD) or relative alias: `today`, `today+N`, `today-N`, `tomorrow`, `yesterday`.
  - `dateTo` string, required: End date. ISO format (YYYY-MM-DD) or relative alias: `today`, `today+N`, `today-N`, `tomorrow`, `yesterday`.
  - `includeActual` boolean: Include actual generation data for comparison
  - `includeOnline` boolean: Include online capacity data
  - `format` 'json' | 'csv' | 'xlsx' | 'xls': Output format. "csv" and "xls"/"xlsx" trigger a file download.
  - `token` string: Optional Cernion MCP token for this request. Overrides CERNION_TOKEN when provided.

## Response `200`

Generation forecast data retrieved successfully

- object

---

[API](https://skmtc.dev/cernion/apis/cernion-energy-tools-api.md) · [All operations](https://skmtc.dev/cernion/apis/cernion-energy-tools-api/llms.txt) · [OpenAPI document](https://skmtc.dev/cernion/apis/cernion-energy-tools-api/revisions/cdb94473b538?raw)