diff --git a/custom_components/e3dc_rscp/coordinator.py b/custom_components/e3dc_rscp/coordinator.py
index b7776ab..423f0f9 100644
--- a/custom_components/e3dc_rscp/coordinator.py
+++ b/custom_components/e3dc_rscp/coordinator.py
@@ -111,9 +111,8 @@ async def _async_connect_additional_powermeters(self):
                 )
 
                 match powermeter["type"]:
-                    case (
-                        PowermeterType.PM_TYPE_ADDITIONAL_PRODUCTION.value,
-                        PowermeterType.PM_TYPE_ADDITIONAL.value
+                    case ( PowermeterType.PM_TYPE_ADDITIONAL_PRODUCTION.value
+                          | PowermeterType.PM_TYPE_ADDITIONAL.value
                     ):
                         powermeter[
                             "total-state-class"
diff --git a/custom_components/e3dc_rscp/diagnostics.py b/custom_components/e3dc_rscp/diagnostics.py
index b9b103b..309ad51 100644
--- a/custom_components/e3dc_rscp/diagnostics.py
+++ b/custom_components/e3dc_rscp/diagnostics.py
@@ -65,6 +65,7 @@ def _collect_data(self):
             "current_data": self.coordinator.data,
             "get_system_info": self._query_data_for_dump(self.e3dc.get_system_info),
             "get_system_status": self._query_data_for_dump(self.e3dc.get_system_status),
+            "get_powermeters": self._query_data_for_dump(self.e3dc.get_powermeters),
             "e3dc_config": self.proxy.e3dc_config,
             "poll": self._query_data_for_dump(self.e3dc.poll),
             "switches": self._query_data_for_dump(self.e3dc.poll_switches),