# Trevion

> Supported steering: batteries, PV, imbalance market

Source: https://voltmasters.io/en/docs/external-signal/trevion/

![Trevion logo](https://voltmasters.io/assets/docs/brand-trevion.webp)

[Trevion](https://www.trevion.be) is an external energy and flexibility partner that operates the connected assets by sending steering signals to the EMS. The integration uses a **certificate-secured MQTT** connection: the controller connects to Trevion's MQTT broker and exchanges setpoints over the connection.

**Supported steering:** batteries, PV, imbalance market.

### Connection method

-   **Protocol:** MQTT (TLS, client-certificate authentication)
-   **Broker:** `mqtt.energy.trevi-env.com`

### What we need to connect

To enable the Trevion integration, the following must be provided by Trevion and configured in the project's energy trading settings:

| Credential | Description |
| --- | --- |
| **Site ID** | Identifies the site within Trevion's platform |
| **Client certificate** | X.509 certificate used to authenticate the connection |
| **Private key** | Private key belonging to the client certificate |