async def METHOD_NAME(self, res):
    all_labels = [
        "Biomasse",
        "Erdgas",
        "Nettoimporte",
        "Sonne",
        "Sonstige",
        "Wasser",
        "Wind",
    ]
    for entry in res:
        await fhem.readingsSingleUpdate(
            self.hash,
            f"current_hour_electricity_{entry['label']}",
            round(entry["percentage"], 1),
            1,
        )
        all_labels.remove(entry["label"])
    for entry in all_labels:
        await fhem.readingsSingleUpdate(
            self.hash,
            f"current_hour_electricity_{entry}",
            0,
            1,
        )