Index: webserver/example/EnergyMeters/Source/EnergyMeters/SolarCountUART.c
===================================================================
--- webserver/example/EnergyMeters/Source/EnergyMeters/SolarCountUART.c (revision 57)
+++ webserver/example/EnergyMeters/Source/EnergyMeters/SolarCountUART.c (revision 58)
@@ -165,5 +165,4 @@
   int i;
   xLastSolarStateChangeTime = xTaskGetTickCount();
-  xLastSolarHistoryAdvance = xTaskGetTickCount();
   xLastReadTime = xTaskGetTickCount();
   solarState = SOL_NO_INIT;
@@ -172,16 +171,11 @@
   currentChannel = 0;
 
-  /* set data to invalid value */
+  /* set recent data item to invalid value */
   chanWatt[0] = SOLAR_FSM_INVALID_VALUE;
   chanWatt[1] = SOLAR_FSM_INVALID_VALUE;
   chanWatt[2] = SOLAR_FSM_INVALID_VALUE;
 
-  /* invalidate history */
-  for (i = 0; i < SOLAR_WATT_HISTORYSIZE; i++)
-  {
-            SolarHistory[i][0] = SOLAR_FSM_INVALID_VALUE;
-            SolarHistory[i][1] = SOLAR_FSM_INVALID_VALUE;
-            SolarHistory[i][2] = SOLAR_FSM_INVALID_VALUE;
-  }
+  /* do not invalidate history here so we do not lose all data */
+
 
 } /* initSolarFSM */
@@ -711,6 +705,18 @@
 static portTASK_FUNCTION( vSolar_Task, pvParameters )
 {
+  int i;
 
   init_serial3();
+
+  /* invalidate history */
+  for (i = 0; i < SOLAR_WATT_HISTORYSIZE; i++)
+  {
+            SolarHistory[i][0] = SOLAR_FSM_INVALID_VALUE;
+            SolarHistory[i][1] = SOLAR_FSM_INVALID_VALUE;
+            SolarHistory[i][2] = SOLAR_FSM_INVALID_VALUE;
+  }
+
+  xLastSolarHistoryAdvance = xTaskGetTickCount();
+
   initSolarFSM();