Update quickstart.ipynb

Author: phumthep

examples/quickstart.ipynb

@@ -7,7 +7,7 @@
    "source": [
     "# Quick start example\n",
     "\n",
-    "PowNet provides the Simulator class to simplify the process of analyzing how electricity is generated and flows through the network. In this example, we will simulate the day-ahead scheduling (24-hours) over two days. The system has three thermal units, one import node, and one hydropower unit. There are four substations. The dummy system is depicted below."
+    "PowNet provides the Simulator class to simplify the process of analyzing how electricity is generated and flows through the network. In this example, we will simulate the day-ahead scheduling (24-hours) over two days. The system has three thermal units, one import node, and one hydropower unit. There are four substations with demand. Generators are treated as their own nodes. The dummy system is depicted below."
    ]
   },
   {
@@ -51,7 +51,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 2,
    "id": "ab379af5",
    "metadata": {},
    "outputs": [],
@@ -96,7 +96,7 @@
       "\n",
       "\n",
       "PowNet Input Data Summary:\n",
-      "        Timestamp                 = 20250424_1653\n",
+      "        Timestamp                 = 20250428_1556\n",
       "        Model name                = dummy\n",
       "        Year                      = 2016\n",
       "        ---- System characteristics ----\n",