diff --git a/sma/README.md b/sma/README.md
index b4b47cdb..63ffbd03 100644
--- a/sma/README.md
+++ b/sma/README.md
@@ -11,5 +11,4 @@ nymea plug-in for SMA solar equipment.
 * The package "nymea-plugin-sma" must be installed.
 
 ## More
-
 https://www.sma.de/en/
diff --git a/sma/integrationpluginsma.cpp b/sma/integrationpluginsma.cpp
index ddc7cfc9..4d679db9 100644
--- a/sma/integrationpluginsma.cpp
+++ b/sma/integrationpluginsma.cpp
@@ -121,7 +121,7 @@ void IntegrationPluginSma::setupThing(ThingSetupInfo *info)
             info->finish(Thing::ThingErrorNoError);
         } else {
             //wait for the parent to finish the setup process
-            connect(parentThing, &Thing::setupStatusChanged, info, [this, info, parentThing] {
+            connect(parentThing, &Thing::setupStatusChanged, info, [info, parentThing] {
 
                 if (parentThing->setupComplete())
                     info->finish(Thing::ThingErrorNoError);
@@ -148,6 +148,7 @@ void IntegrationPluginSma::postSetupThing(Thing *thing)
             return;
         QString key = thing->paramValue(inverterThingIdParamTypeId).toString();
         sunnyWebBox->getParameters(QStringList() << key);
+        sunnyWebBox->getProcessData(QStringList() << key);
     }
 }
 
@@ -190,8 +191,14 @@ void IntegrationPluginSma::thingRemoved(Thing *thing)
 
 void IntegrationPluginSma::onRefreshTimer()
 {
-    Q_FOREACH(SunnyWebBox *sunnyWebBox, m_sunnyWebBoxes) {
+    Q_FOREACH(Thing *thing, myThings().filterByThingClassId(sunnyWebBoxThingClassId)) {
+        SunnyWebBox *sunnyWebBox = m_sunnyWebBoxes.value(thing);
         sunnyWebBox->getPlantOverview();
+
+        Q_FOREACH(Thing *child, myThings().filterByParentId(thing->id())) {
+            QString key = child->paramValue(inverterThingIdParamTypeId).toString();
+            sunnyWebBox->getProcessData(QStringList() << key);
+        }
     }
 }
 
@@ -201,6 +208,11 @@ void IntegrationPluginSma::onConnectedChanged(bool connected)
     if (!thing)
         return;
     thing->setStateValue(sunnyWebBoxConnectedStateTypeId, connected);
+    if (!connected) {
+        Q_FOREACH(Thing *child, myThings().filterByParentId(thing->id())) {
+            child->setStateValue(inverterConnectedStateTypeId, false);
+        }
+    }
 }
 
 void IntegrationPluginSma::onPlantOverviewReceived(const QString &messageId, SunnyWebBox::Overview overview)
@@ -216,8 +228,8 @@ void IntegrationPluginSma::onPlantOverviewReceived(const QString &messageId, Sun
         return;
 
     thing->setStateValue(sunnyWebBoxCurrentPowerStateTypeId, overview.power);
-    thing->setStateValue(sunnyWebBoxDayEnergyStateTypeId, overview.dailyYield);
-    thing->setStateValue(sunnyWebBoxTotalEnergyStateTypeId, overview.totalYield);
+    thing->setStateValue(sunnyWebBoxDayEnergyProducedStateTypeId, overview.dailyYield);
+    thing->setStateValue(sunnyWebBoxTotalEnergyProducedStateTypeId, overview.totalYield);
     thing->setStateValue(sunnyWebBoxModeStateTypeId, overview.status);
     if (!overview.error.isEmpty()){
         qCDebug(dcSma()) << "Received error" << overview.error;
@@ -274,8 +286,9 @@ void IntegrationPluginSma::onProcessDataReceived(const QString &messageId, const
 
     Q_FOREACH(Thing *childThing, myThings().filterByParentId(thing->id())) {
         if (childThing->paramValue(inverterThingIdParamTypeId).toString() == deviceKey) {
-            if (channels.contains("E-Total")) {
-                //TODO set total energy
+            Q_FOREACH(QString channel, channels.keys()) {
+                qCDebug(dcSma()) << "   - Channel received" << channel << channels.value(channel);
+                //TODO parse data
             }
             break;
         }
@@ -292,8 +305,3 @@ void IntegrationPluginSma::onParameterChannelsReceived(const QString &messageId,
 
     qCDebug(dcSma()) << "Parameter channels received" << deviceKey << parameterChannels;
 }
-
-void IntegrationPluginSma::getData(Thing *thing)
-{
-    Q_UNUSED(thing)
-}
diff --git a/sma/integrationpluginsma.h b/sma/integrationpluginsma.h
index 8e572c60..5fef831c 100644
--- a/sma/integrationpluginsma.h
+++ b/sma/integrationpluginsma.h
@@ -72,8 +72,6 @@ private:
     QHash<QString, ThingSetupInfo *> m_asyncSetup;
     QHash<QString, ThingActionInfo *> m_asyncActions;
     SunnyWebBoxCommunication *m_sunnyWebBoxCommunication = nullptr;
-
-    void getData(Thing *thing);
 };
 
 #endif // INTEGRATIONPLUGINSMA_H
diff --git a/sma/integrationpluginsma.json b/sma/integrationpluginsma.json
index bb40003a..babbc720 100644
--- a/sma/integrationpluginsma.json
+++ b/sma/integrationpluginsma.json
@@ -13,7 +13,7 @@
                     "name": "sunnyWebBox",
                     "displayName": "Sunny WebBox",
                     "createMethods": ["user", "discovery"],
-                    "interfaces": ["gateway"],
+                    "interfaces": ["extendedsmartmeterproducer", "gateway"],
                     "paramTypes": [
                         {
                             "id": "864d4162-e3ce-48b8-b8ac-c1b971b52d42",
@@ -52,18 +52,18 @@
                         },
                         {
                             "id": "16f34c5c-8dbb-4dcc-9faa-4b782d57226c",
-                            "name": "dayEnergy",
-                            "displayName": "Day energy",
-                            "displayNameEvent": "Day energy changed",
+                            "name": "dayEnergyProduced",
+                            "displayName": "Day energy produced",
+                            "displayNameEvent": "Day energy produced changed",
                             "type": "double",
                             "unit": "KiloWattHour",
                             "defaultValue": 0
                         },
                         {
                             "id": "0bb4e227-7e38-49ca-9b32-ce4621c9305b",
-                            "name": "totalEnergy",
-                            "displayName": "Total energy",
-                            "displayNameEvent": "Total energy changed",
+                            "name": "totalEnergyProduced",
+                            "displayName": "Total energy produced",
+                            "displayNameEvent": "Total energy produced changed",
                             "type": "double",
                             "unit": "KiloWattHour",
                             "defaultValue": 0
diff --git a/sma/sunnywebbox.cpp b/sma/sunnywebbox.cpp
index 8323b8e0..7d455803 100644
--- a/sma/sunnywebbox.cpp
+++ b/sma/sunnywebbox.cpp
@@ -188,6 +188,7 @@ void SunnyWebBox::parseMessage(const QString &messageId, const QString &messageT
     } else if (messageType == "GetProcessData") {
         QList<Device> devices;
         QVariantList devicesList = result.value("devices").toList();
+        qCDebug(dcSma()) << "SunnyWebBox: GetProcessData response received";
         Q_FOREACH(QVariant value, devicesList) {
 
             QString key = value.toMap().value("key").toString();