diff --git a/libevnav/charger.cpp b/libevnav/charger.cpp
index 7bb39ac..51e3c54 100644
--- a/libevnav/charger.cpp
+++ b/libevnav/charger.cpp
@@ -10,12 +10,14 @@ Charger::Charger()
 void Charger::read(const QJsonObject &json)
 {
     m_name = json["ParkName"].toString();
-    m_level = json["Level"].toInt();
-    m_network_id = json["NetworkId"].toInt();
-
-    QJsonObject loc = json["LatLng"].toObject();
-    double lat = loc["Lat"].toDouble();
-    double lng = loc["Lng"].toDouble();
+    QJsonObject tmp = json["Ports"].toArray().at(0).toObject();
+    m_level = tmp["Level"].toInt();
+    double lat = json["Latitude"].toDouble();
+    double lng = json["Longitude"].toDouble();
     m_loc = util::Coordinate{util::FloatLongitude{lng}, util::FloatLatitude{lat}};
 }
 
+bool Charger::isValid()
+{
+    return (!m_name.isEmpty() && m_level != 0 && m_loc.IsValid());
+}
diff --git a/libevnav/charger.h b/libevnav/charger.h
index 0aa4fb2..5071c7c 100644
--- a/libevnav/charger.h
+++ b/libevnav/charger.h
@@ -41,16 +41,15 @@ class Charger
     QString name() { return m_name; }
     VertexId id() { return m_id; }
     osrm::util::Coordinate loc() { return m_loc; }
-    int network_id() { return m_network_id; }
     int level() { return m_level; }
     void read(const QJsonObject &json);
+    bool isValid();
 
 private:
     VertexId m_id;
     QString m_name;
     osrm::util::Coordinate m_loc;
     int m_level;
-    int m_network_id;
     static QAtomicInt m_count;
 };
 
diff --git a/libevnav/chargerprovider.cpp b/libevnav/chargerprovider.cpp
index 4bf9ff5..b1f062a 100644
--- a/libevnav/chargerprovider.cpp
+++ b/libevnav/chargerprovider.cpp
@@ -19,7 +19,9 @@ void ChargerProvider::read(const QJsonArray &json)
         QJsonObject obj = json[i].toObject();
         Charger c;
         c.read(obj);
-        m_chargers[c.id()] = c;
+        if (c.isValid()) {
+            m_chargers[c.id()] = c;
+        }
     }
 }
 
@@ -29,7 +31,8 @@ void ChargerProvider::loadJson(QString path)
     if (file.open(QIODevice::ReadOnly)) {
         QByteArray data = file.readAll();
         QJsonDocument doc(QJsonDocument::fromJson(data));
-        read(doc.array());
+        QJsonObject root = doc.object();
+        read(root["list"].toArray());
     }
 }
 
diff --git a/tests/graph/tst_graphtest.cpp b/tests/graph/tst_graphtest.cpp
index fafc023..6a659d3 100644
--- a/tests/graph/tst_graphtest.cpp
+++ b/tests/graph/tst_graphtest.cpp
@@ -5,6 +5,7 @@
 #include "graph.h"
 #include "shortestpath.h"
 #include "evnavrequest.h"
+#include "chargerprovider.h"
 
 class GraphTest : public QObject
 {
@@ -18,6 +19,7 @@ private Q_SLOTS:
     void testCase2();
     void testCase3();
     void testCase4();
+    void testLoadCharger();
 };
 
 GraphTest::GraphTest()
@@ -94,6 +96,16 @@ void GraphTest::testCase4()
     QVERIFY(QString{"0:16"}.compare(time.toString("h:m")) == 0);
 }
 
+void GraphTest::testLoadCharger()
+{
+    ChargerProvider provider;
+    QString path(TOPSRCDIR "/res/result_circuit_electrique_20161016170731.json");
+    provider.loadJson(path);
+    QVERIFY2(provider.size() > 0, "failed to load the charger list");
+    ChargerProvider dcfc = provider.filter(provider.fastChargerFilter());
+    QVERIFY2(dcfc.size() > 0, "failed to filter chargers");
+}
+
 QTEST_APPLESS_MAIN(GraphTest)
 
 #include "tst_graphtest.moc"