diff --git a/package.json b/package.json
index 00dba54..0116f0a 100644
--- a/package.json
+++ b/package.json
@@ -8,6 +8,7 @@
     "es6-promise": "^4.0.5",
     "flux": "^3.1.2",
     "immutable": "^3.8.1",
+    "rd3": "^0.7.4",
     "react": "^15.4.2",
     "react-bootstrap": "^0.30.7",
     "react-contextmenu": "^2.3.0",
@@ -15,10 +16,10 @@
     "react-dnd": "^2.2.4",
     "react-dnd-html5-backend": "^2.2.4",
     "react-dom": "^15.4.2",
+    "react-notification-system": "^0.2.13",
     "react-rnd": "^4.2.2",
     "react-router": "^3.0.2",
-    "superagent": "^3.5.0",
-    "rd3": "^0.7.4"
+    "superagent": "^3.5.0"
   },
   "devDependencies": {
     "react-scripts": "0.9.3"
diff --git a/src/containers/app.js b/src/containers/app.js
index 8b3e7aa..34c7b07 100644
--- a/src/containers/app.js
+++ b/src/containers/app.js
@@ -11,11 +11,13 @@ import React, { Component } from 'react';
 import { Container } from 'flux/utils';
 import { DragDropContext } from 'react-dnd';
 import HTML5Backend from 'react-dnd-html5-backend';
+import NotificationSystem from 'react-notification-system';
 
 import AppDispatcher from '../app-dispatcher';
 import SimulationStore from '../stores/simulation-store';
 import SimulatorStore from '../stores/simulator-store';
 import UserStore from '../stores/user-store';
+import NotificationsDataManager from '../data-managers/notifications-data-manager';
 
 import Header from '../components/header';
 import Footer from '../components/footer';
@@ -95,6 +97,10 @@ class App extends Component {
     });
   }
 
+  componentDidMount() {
+    NotificationsDataManager.setSystem(this.refs.notificationSystem);
+  }
+
   componentWillUpdate(nextProps, nextState) {
     // check if user is still logged in
     if (nextState.token == null) {
@@ -160,6 +166,8 @@ class App extends Component {
 
     return (
       <div className="app">
+        <NotificationSystem ref="notificationSystem" />
+
         <Header />
         <SidebarMenu />
 
diff --git a/src/data-managers/notifications-data-manager.js b/src/data-managers/notifications-data-manager.js
new file mode 100644
index 0000000..b5798bb
--- /dev/null
+++ b/src/data-managers/notifications-data-manager.js
@@ -0,0 +1,22 @@
+/**
+ * File: notifications-data-manager.js
+ * Author: Markus Grigull <mgrigull@eonerc.rwth-aachen.de>
+ * Date: 21.03.2017
+ * Copyright: 2017, Institute for Automation of Complex Power Systems, EONERC
+ *   This file is part of VILLASweb. All Rights Reserved. Proprietary and confidential.
+ *   Unauthorized copying of this file, via any medium is strictly prohibited.
+ **********************************************************************************/
+
+class NotificationsDataManager {
+  _notificationSystem = null;
+
+  setSystem(notificationSystem) {
+    this._notificationSystem = notificationSystem;
+  }
+
+  addNotification(notification) {
+    this._notificationSystem.addNotification(notification);
+  }
+}
+
+export default new NotificationsDataManager();
diff --git a/src/stores/simulator-store.js b/src/stores/simulator-store.js
index c2ac8e9..1e7d48b 100644
--- a/src/stores/simulator-store.js
+++ b/src/stores/simulator-store.js
@@ -9,6 +9,7 @@
 
 import ArrayStore from './array-store';
 import SimulatorsDataManager from '../data-managers/simulators-data-manager';
+import NotificationsDataManager from '../data-managers/notifications-data-manager';
 
 class SimulatorStore extends ArrayStore {
   constructor() {
@@ -51,6 +52,12 @@ class SimulatorStore extends ArrayStore {
           return element._id === action.identifier;
         });
 
+        NotificationsDataManager.addNotification({
+          title: 'Simulator online',
+          message: 'Simulator \'' + simulator.name + '\' went online.',
+          level: 'info'
+        });
+
         // restart requesting again
         SimulatorsDataManager.stopRunningDetection(simulator);
 
@@ -65,6 +72,12 @@ class SimulatorStore extends ArrayStore {
         // update running state
         simulator.running = false;
 
+        NotificationsDataManager.addNotification({
+          title: 'Simulator offline',
+          message: 'Simulator \'' + simulator.name + '\' went offline.',
+          level: 'info'
+        });
+
         // restart requesting again
         SimulatorsDataManager.startRunningDetection(simulator);