diff --git a/Energy_Pie/module.php b/Energy_Pie/module.php
index 786f93d..dfa579a 100644
--- a/Energy_Pie/module.php
+++ b/Energy_Pie/module.php
@@ -108,13 +108,9 @@ private function RecalculateAndPush(): void
     $dbgFeed = [];
     $dbgGrid = [];
 
-    $prodVar = $this->ReadPropertyInteger('VarProduction');
-    $feedVar = $this->ReadPropertyInteger('VarFeedIn');
-    $gridVar = $this->ReadPropertyInteger('VarGrid');
-
-    $prod = $this->readDelta($prodVar, $tStart, $tEnd, $dbgProd);
-    $feed = $this->readDelta($feedVar, $tStart, $tEnd, $dbgFeed);
-    $grid = $this->readDelta($gridVar, $tStart, $tEnd, $dbgGrid);
+    $prod = $this->readDelta($this->ReadPropertyInteger('VarProduction'), $tStart, $tEnd, $dbgProd);
+    $feed = $this->readDelta($this->ReadPropertyInteger('VarFeedIn'),     $tStart, $tEnd, $dbgFeed);
+    $grid = $this->readDelta($this->ReadPropertyInteger('VarGrid'),       $tStart, $tEnd, $dbgGrid);
 
     $house = $prod - $feed + $grid;
     if ($house < 0) $house = 0.0;
@@ -187,16 +183,16 @@ private function RecalculateAndPush(): void
     }
 
 
-   private function readDelta(int $varId, int $tStart, int $tEnd, array &$dbg): float
+    private function readDelta(int $varId, int $tStart, int $tEnd, array &$dbg): float
     {
         $dbg = [
-            'varId' => $varId,
+            'varId'     => $varId,
             'archiveId' => 0,
-            'count' => 0,
-            'first' => null,
-            'last' => null,
-            'vStart' => null,
-            'vEnd' => null
+            'count'     => 0,
+            'first'     => null,
+            'last'      => null,
+            'vStart'    => null,
+            'vEnd'      => null
         ];
 
         if ($varId <= 0 || !IPS_VariableExists($varId)) {
@@ -219,26 +215,18 @@ private function RecalculateAndPush(): void
         $dbg['count'] = count($values);
 
         $dbg['first'] = (float)$values[0]['Value'];
-        $dbg['last']  = (float)$values[count($values)-1]['Value'];
+        $dbg['last']  = (float)$values[count($values) - 1]['Value'];
 
         $vStart = null;
         $vEnd   = null;
 
         foreach ($values as $v) {
             $ts = (int)$v['TimeStamp'];
-
-            if ($ts <= $tStart) {
-                $vStart = (float)$v['Value'];
-            }
-            if ($ts <= $tEnd) {
-                $vEnd = (float)$v['Value'];
-            }
-            if ($ts > $tEnd) {
-                break;
-            }
+            if ($ts <= $tStart) $vStart = (float)$v['Value'];
+            if ($ts <= $tEnd)   $vEnd   = (float)$v['Value'];
+            if ($ts > $tEnd) break;
         }
 
-        // Wenn kein Wert vor Start/Ende gefunden wurde, nimm ersten/letzten im Fenster
         if ($vStart === null) $vStart = $dbg['first'];
         if ($vEnd === null)   $vEnd   = $dbg['last'];
 
@@ -250,6 +238,8 @@ private function RecalculateAndPush(): void
     }
 
 
+
+
     /**
      * Buttons for quick navigation.
      */