core/homeassistant/components/solaredge/translations/en.json

{
    "config": {
        "abort": {
            "site_exists": "This site_id is already configured"
        },
        "error": {
            "site_exists": "This site_id is already configured"
        },
        "step": {
            "user": {
                "data": {
                    "api_key": "API Key",
                    "name": "The name of this installation",
                    "site_id": "The SolarEdge site-id"
                },
                "title": "Define the API parameters for this installation"
            }
        }
    }
}