---
title: "Automated grid connection feasibility check (customer self-service)"
method: POST
path: "/api/grid-operations/connection-capacity-check"
tags: ["Grid Operations"]
---

# Automated grid connection feasibility check (customer self-service)

`POST /api/grid-operations/connection-capacity-check`

## Request

- Base URL: `https://api.cernion.de`
- URL: `https://api.cernion.de/api/grid-operations/connection-capacity-check`
- Auth: none declared

6-step analysis: inventory, capacity, simultaneity, decision, alternatives, cost estimates

## Query parameters

- `token` string

## Request body

- object
  - `gridOperator` string, required: Grid operator name
  - `location` string, required: Address or postal code
  - `installationType` 'solar' | 'wind' | 'storage' | 'wallbox' | 'heat-pump' | 'other', required: Type of installation to connect
  - `capacityKW` number, required: Installation capacity in kW
  - `voltageLevel` 'NS' | 'MS' | 'HS': Optional: Preferred voltage level (auto-calculated if omitted)
  - `simultaneityFactor` number: Optional: Simultaneity factor (0-1)
  - `token` string: Optional Cernion MCP token for this request. Overrides CERNION_TOKEN when provided.

## Response `200`

Successful response

- 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)