diff --git a/application/Order/Order.php b/application/Order/Order.php
index ac794628c..ae21fa6e9 100644
--- a/application/Order/Order.php
+++ b/application/Order/Order.php
@@ -122,7 +122,7 @@ class Order extends mfBaseModel {
     }
   }
   
-  public function sendExtBillinfoEmail() {
+  public function sendExtBillinfoEmail(Address $to_address) {
     // TODO template rendern auslagern nach Emailtempate klasse
     $tpl = new Layout();
     $tpl->setTemplate("Emailtemplates/order/billing_external_energie");
@@ -139,11 +139,14 @@ class Order extends mfBaseModel {
     $subject = $values['subject'];
     $from = $values['from_email'];
     $from_name = $values['from_email_name'];
-    $to = TT_EXTERNAL_BILLING_EMAIL_TO;
+    $to = $to_address->email;
+    if(!$to) {
+      $this->log->error("Productowner ".$to_address->id." does not have emailaddress");
+      return false;
+    }
     
     if(!$subject || !$from || !$from_name || !$to) {
       $this->log->warn("Internl Billing Email not sent. (subject: '$subject', from: '$from', from_email: '$from_name', to: '$to')");
-      
       return false;
     } else {
       $email = new Emailnotification();
diff --git a/application/Order/OrderController.php b/application/Order/OrderController.php
index c96973461..ddd074cfd 100644
--- a/application/Order/OrderController.php
+++ b/application/Order/OrderController.php
@@ -609,6 +609,7 @@ class OrderController extends mfBaseController {
         // if product is not external and customer is new, create customer_number and service pin
         if($prod->external) {
           $ext_products = true;
+          $ext_product_owner_id = $prod->external_id;
         } else {
           $int_products = true;
           
@@ -723,7 +724,7 @@ class OrderController extends mfBaseController {
     if($send_to_bill_email) {
       
       if($ext_products && !$int_products) {
-        if(!$order->sendExtBillinfoEmail()) {
+        if(!$order->sendExtBillinfoEmail(new Address($ext_product_owner_id))) {
           $this->layout()->setFlash("Beim Senden der externen Billing Benachrichtigung ist ein Fehler aufgetreten.", "warning");
         }
       }