diff --git a/src/CHANGES.md b/src/CHANGES.md
index d5bc62a9..8e6855b0 100644
--- a/src/CHANGES.md
+++ b/src/CHANGES.md
@@ -1,8 +1,9 @@
 # Development Changes
 
-## 0.8.119 - 2024-05-16
+## 0.8.119 - 2024-05-17
 * fix reset values at midnight if WiFi isn't available #1620
 * fix typo in English versions
+* add yield day to history graph #1614
 
 ## 0.8.118 - 2024-05-10
 * possible fix reset max values #1609
diff --git a/src/platformio.ini b/src/platformio.ini
index efcc6e5f..ebf7ad41 100644
--- a/src/platformio.ini
+++ b/src/platformio.ini
@@ -163,6 +163,7 @@ build_flags = ${env:esp32-wroom32-minimal.build_flags}
     -DENABLE_MQTT
     -DPLUGIN_DISPLAY
     -DENABLE_HISTORY
+    -DENABLE_SIMULATOR
 monitor_filters =
     esp32_exception_decoder
 
diff --git a/src/plugins/history.h b/src/plugins/history.h
index 8531b463..bffbc6d5 100644
--- a/src/plugins/history.h
+++ b/src/plugins/history.h
@@ -62,9 +62,9 @@ class HistoryData {
 
             for (uint8_t i = 0; i < mSys->getNumInverters(); i++) {
                 Inverter<> *iv = mSys->getInverterByPos(i);
-                record_t<> *rec = iv->getRecordStruct(RealTimeRunData_Debug);
                 if (iv == NULL)
                     continue;
+                record_t<> *rec = iv->getRecordStruct(RealTimeRunData_Debug);
                 curPwr += iv->getChannelFieldValue(CH0, FLD_PAC, rec);
                 yldDay += iv->getChannelFieldValue(CH0, FLD_YD, rec);
                 if (rec->ts > ts)
diff --git a/src/web/RestApi.h b/src/web/RestApi.h
index f3477c92..f3ca6bc9 100644
--- a/src/web/RestApi.h
+++ b/src/web/RestApi.h
@@ -103,8 +103,8 @@ class RestApi {
             else if(path == "setup/getip")    getIp(root);
             #endif /* !defined(ETHERNET) */
             else if(path == "live")           getLive(request,root);
-            else if (path == "powerHistory")  getPowerHistory(request, root);
-            else if (path == "powerHistoryDay")  getPowerHistoryDay(request, root);
+            else if (path == "powerHistory")  getPowerHistory(request, root, HistoryStorageType::POWER);
+            else if (path == "powerHistoryDay")  getPowerHistory(request, root, HistoryStorageType::POWER_DAY);
             else {
                 if(path.substring(0, 12) == "inverter/id/")
                     getInverter(root, request->url().substring(17).toInt());
@@ -927,40 +927,37 @@ class RestApi {
             }
         }
 
-        void getPowerHistory(AsyncWebServerRequest *request, JsonObject obj) {
+        void getPowerHistory(AsyncWebServerRequest *request, JsonObject obj, HistoryStorageType type) {
             getGeneric(request, obj.createNestedObject(F("generic")));
             #if defined(ENABLE_HISTORY)
-            obj[F("refresh")] = mApp->getHistoryPeriod((uint8_t)HistoryStorageType::POWER);
+            obj[F("refresh")] = mApp->getHistoryPeriod(static_cast<uint8_t>(type));
+
             uint16_t max = 0;
             for (uint16_t fld = 0; fld < HISTORY_DATA_ARR_LENGTH; fld++) {
-                uint16_t value = mApp->getHistoryValue((uint8_t)HistoryStorageType::POWER, fld);
+                uint16_t value = mApp->getHistoryValue(static_cast<uint8_t>(type), fld);
                 obj[F("value")][fld] = value;
                 if (value > max)
                     max = value;
             }
             obj[F("max")] = max;
-            obj[F("lastValueTs")] = mApp->getHistoryLastValueTs((uint8_t)HistoryStorageType::POWER);
-            #endif /*ENABLE_HISTORY*/
-        }
 
-        void getPowerHistoryDay(AsyncWebServerRequest *request, JsonObject obj){
-            //getGeneric(request, obj.createNestedObject(F("generic")));
-            #if defined(ENABLE_HISTORY)
-            obj[F("refresh")] = mApp->getHistoryPeriod((uint8_t)HistoryStorageType::POWER_DAY);
-            uint16_t max = 0;
-            for (uint16_t fld = 0; fld < HISTORY_DATA_ARR_LENGTH; fld++) {
-                uint16_t value = mApp->getHistoryValue((uint8_t)HistoryStorageType::POWER_DAY, fld);
-                obj[F("value")][fld] = value;
-                if (value > max)
-                    max = value;
+            if(HistoryStorageType::POWER_DAY == type) {
+                float yldDay = 0;
+                for (uint8_t i = 0; i < mSys->getNumInverters(); i++) {
+                    Inverter<> *iv = mSys->getInverterByPos(i);
+                    if (iv == NULL)
+                        continue;
+                    record_t<> *rec = iv->getRecordStruct(RealTimeRunData_Debug);
+                    yldDay += iv->getChannelFieldValue(CH0, FLD_YD, rec);
+                }
+                obj[F("yld")] = ah::round3(yldDay / 1000.0);
             }
-            obj[F("max")] = max;
-            obj[F("lastValueTs")] = mApp->getHistoryLastValueTs((uint8_t)HistoryStorageType::POWER_DAY);
+
+            obj[F("lastValueTs")] = mApp->getHistoryLastValueTs(static_cast<uint8_t>(type));
             #endif /*ENABLE_HISTORY*/
         }
 
-
-        void getYieldDayHistory(AsyncWebServerRequest *request, JsonObject obj) {
+        /*void getYieldDayHistory(AsyncWebServerRequest *request, JsonObject obj) {
             //getGeneric(request, obj.createNestedObject(F("generic")));
             #if defined(ENABLE_HISTORY) && defined(ENABLE_HISTORY_YIELD_PER_DAY)
             obj[F("refresh")] = mApp->getHistoryPeriod((uint8_t)HistoryStorageType::YIELD);
@@ -972,8 +969,8 @@ class RestApi {
                     max = value;
             }
             obj[F("max")] = max;
-            #endif /*ENABLE_HISTORY*/
-        }
+            #endif
+        }*/
 
         bool setCtrl(JsonObject jsonIn, JsonObject jsonOut, const char *clientIP) {
             if(jsonIn.containsKey(F("auth"))) {
diff --git a/src/web/html/history.html b/src/web/html/history.html
index 2a13f572..08227b1f 100644
--- a/src/web/html/history.html
+++ b/src/web/html/history.html
@@ -133,12 +133,17 @@
                 }
                 let pts2 = pts + " " + String(last) + "," + String(height)
                 pts2 += " " + String(first) + "," + String(height)
-                return [
+                elm = [
                     mlNs("polyline", {stroke: "url(#gLine)", fill: "none", points: pts}),
                     mlNs("polyline", {stroke: "none", fill: "url(#gFill)", points: pts2}),
                     mlNs("text", {x: i*.8, y: 10}, "{#MAXIMUM}: " + String(obj.max) + "W"),
                     mlNs("text", {x: i*.8, y: 25}, "{#LAST_VALUE}: " + String(lastVal) + "W")
                 ]
+
+                if(undefined !== obj.yld)
+                    elm.push(mlNs("text", {x: i*.8, y: 40}, "{#YIELD_DAY}: " + String(obj.yld) + "kWh"))
+
+                return elm;
             }
 
 
diff --git a/src/web/lang.json b/src/web/lang.json
index 901b53ed..0b0754b2 100644
--- a/src/web/lang.json
+++ b/src/web/lang.json
@@ -1587,6 +1587,11 @@
                     "token": "LAST_VALUE",
                     "en": "Last value",
                     "de": "Letzter Wert"
+                },
+                {
+                    "token": "YIELD_DAY",
+                    "en": "Yield day",
+                    "de": "Tagesertrag"
                 }
             ]
         }