diff --git a/src/main/java/com/powsybl/sld/server/CommonLabelProvider.java b/src/main/java/com/powsybl/sld/server/CommonLabelProvider.java
new file mode 100644
index 0000000..59afcb3
--- /dev/null
+++ b/src/main/java/com/powsybl/sld/server/CommonLabelProvider.java
@@ -0,0 +1,31 @@
+package com.powsybl.sld.server;
+
+import com.powsybl.iidm.network.Network;
+import com.powsybl.iidm.network.VoltageLevel;
+import com.powsybl.sld.layout.LayoutParameters;
+import com.powsybl.sld.library.ComponentLibrary;
+import com.powsybl.sld.model.graphs.VoltageLevelGraph;
+import com.powsybl.sld.svg.BusLegendInfo;
+import com.powsybl.sld.svg.DefaultLabelProvider;
+import com.powsybl.sld.svg.SvgParameters;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+public class CommonLabelProvider extends DefaultLabelProvider {
+    public CommonLabelProvider(Network network, ComponentLibrary componentLibrary, LayoutParameters layoutParameters, SvgParameters svgParameters) {
+        super(network, componentLibrary, layoutParameters, svgParameters);
+    }
+
+    @Override
+    public List<BusLegendInfo> getBusLegendInfos(VoltageLevelGraph graph) {
+        VoltageLevel vl = network.getVoltageLevel(graph.getVoltageLevelInfos().getId());
+        return vl.getBusView().getBusStream()
+            .map(b -> new BusLegendInfo(b.getId(), List.of(
+                new BusLegendInfo.Caption(b.getNameOrId(), "busId"),
+                new BusLegendInfo.Caption(valueFormatter.formatVoltage(b.getV(), "kV"), "v"),
+                new BusLegendInfo.Caption(valueFormatter.formatAngleInDegrees(b.getAngle()), "angle")
+            )))
+            .collect(Collectors.toList());
+    }
+}
diff --git a/src/main/java/com/powsybl/sld/server/PositionDiagramLabelProvider.java b/src/main/java/com/powsybl/sld/server/PositionDiagramLabelProvider.java
index de7aeca..851e8ac 100644
--- a/src/main/java/com/powsybl/sld/server/PositionDiagramLabelProvider.java
+++ b/src/main/java/com/powsybl/sld/server/PositionDiagramLabelProvider.java
@@ -16,10 +16,7 @@
 import com.powsybl.sld.model.nodes.EquipmentNode;
 import com.powsybl.sld.model.nodes.FeederNode;
 import com.powsybl.sld.model.nodes.Node;
-import com.powsybl.sld.svg.DefaultLabelProvider;
-import com.powsybl.sld.svg.LabelPosition;
-import com.powsybl.sld.svg.LabelProviderFactory;
-import com.powsybl.sld.svg.SvgParameters;
+import com.powsybl.sld.svg.*;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -32,7 +29,7 @@
 /**
  * @author Ben Daamer ahmed<ahmed.bendaamer at rte-france.com>
  */
-public class PositionDiagramLabelProvider extends DefaultLabelProvider {
+public class PositionDiagramLabelProvider extends CommonLabelProvider {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(PositionDiagramLabelProvider.class);
 
diff --git a/src/main/java/com/powsybl/sld/server/SingleLineDiagramService.java b/src/main/java/com/powsybl/sld/server/SingleLineDiagramService.java
index 501a7b0..21ec1ec 100644
--- a/src/main/java/com/powsybl/sld/server/SingleLineDiagramService.java
+++ b/src/main/java/com/powsybl/sld/server/SingleLineDiagramService.java
@@ -102,7 +102,7 @@ SvgAndMetadata generateSvgAndMetadata(UUID networkUuid, String variantId, String
                 sldParameters.setLabelProviderFactory(PositionDiagramLabelProvider.newLabelProviderFactory(id));
             } else if (diagParams.getSldDisplayMode() == SldDisplayMode.STATE_VARIABLE) {
                 svgParameters.setBusesLegendAdded(true);
-                sldParameters.setLabelProviderFactory(DefaultLabelProvider::new);
+                sldParameters.setLabelProviderFactory(CommonLabelProvider::new);
             } else {
                 throw new PowsyblException(String.format("Given sld display mode %s doesn't exist", diagParams.getSldDisplayMode()));
             }