diff --git a/iidm/iidm-impl/src/main/java/com/powsybl/iidm/network/impl/BusBreakerTopologyModel.java b/iidm/iidm-impl/src/main/java/com/powsybl/iidm/network/impl/BusBreakerTopologyModel.java
index dabc6fafa03..85644bcd7f5 100644
--- a/iidm/iidm-impl/src/main/java/com/powsybl/iidm/network/impl/BusBreakerTopologyModel.java
+++ b/iidm/iidm-impl/src/main/java/com/powsybl/iidm/network/impl/BusBreakerTopologyModel.java
@@ -389,6 +389,12 @@ static PowsyblException createNotSupportedBusBreakerTopologyException() {
     }
 
     private final VoltageLevelExt.NodeBreakerViewExt nodeBreakerView = new VoltageLevelExt.NodeBreakerViewExt() {
+
+        @Override
+        public boolean hasFictitiousP0() {
+            throw createNotSupportedBusBreakerTopologyException();
+        }
+
         @Override
         public double getFictitiousP0(int node) {
             throw createNotSupportedBusBreakerTopologyException();
@@ -399,6 +405,11 @@ public VoltageLevel.NodeBreakerView setFictitiousP0(int node, double p0) {
             throw createNotSupportedBusBreakerTopologyException();
         }
 
+        @Override
+        public boolean hasFictitiousQ0() {
+            throw createNotSupportedBusBreakerTopologyException();
+        }
+
         @Override
         public double getFictitiousQ0(int node) {
             throw createNotSupportedBusBreakerTopologyException();
diff --git a/iidm/iidm-impl/src/main/java/com/powsybl/iidm/network/impl/CalculatedBusImpl.java b/iidm/iidm-impl/src/main/java/com/powsybl/iidm/network/impl/CalculatedBusImpl.java
index 60907282a5b..9b72fb2daee 100644
--- a/iidm/iidm-impl/src/main/java/com/powsybl/iidm/network/impl/CalculatedBusImpl.java
+++ b/iidm/iidm-impl/src/main/java/com/powsybl/iidm/network/impl/CalculatedBusImpl.java
@@ -146,6 +146,9 @@ public double getQ() {
     @Override
     public double getFictitiousP0() {
         checkValidity();
+        if (!voltageLevel.getNodeBreakerView().hasFictitiousP0()) {
+            return 0.0;
+        }
         return Networks.getNodes(id, voltageLevel, getBusFromTerminal)
                 .mapToDouble(n -> voltageLevel.getNodeBreakerView().getFictitiousP0(n))
                 .reduce(0.0, Double::sum);
@@ -165,6 +168,9 @@ public Bus setFictitiousP0(double p0) {
     @Override
     public double getFictitiousQ0() {
         checkValidity();
+        if (!voltageLevel.getNodeBreakerView().hasFictitiousQ0()) {
+            return 0.0;
+        }
         return Networks.getNodes(id, voltageLevel, getBusFromTerminal)
                 .mapToDouble(n -> voltageLevel.getNodeBreakerView().getFictitiousQ0(n))
                 .reduce(0.0, Double::sum);
diff --git a/iidm/iidm-impl/src/main/java/com/powsybl/iidm/network/impl/NodeBreakerTopologyModel.java b/iidm/iidm-impl/src/main/java/com/powsybl/iidm/network/impl/NodeBreakerTopologyModel.java
index ba1360ac5dd..8f3ac5f9b3d 100644
--- a/iidm/iidm-impl/src/main/java/com/powsybl/iidm/network/impl/NodeBreakerTopologyModel.java
+++ b/iidm/iidm-impl/src/main/java/com/powsybl/iidm/network/impl/NodeBreakerTopologyModel.java
@@ -645,6 +645,25 @@ void removeSwitchFromTopology(String switchId, boolean notify) {
         private final TIntObjectMap<TDoubleArrayList> fictitiousP0ByNode = TCollections.synchronizedMap(new TIntObjectHashMap<>());
         private final TIntObjectMap<TDoubleArrayList> fictitiousQ0ByNode = TCollections.synchronizedMap(new TIntObjectHashMap<>());
 
+        private boolean hasFictitiousInjection(TIntObjectMap<TDoubleArrayList> fictitiousInjectionsByNode) {
+            if (fictitiousInjectionsByNode.isEmpty()) {
+                return false;
+            }
+            int variantIndex = getNetwork().getVariantIndex();
+            for (int node : fictitiousInjectionsByNode.keys()) {
+                TDoubleArrayList fictitiousInjectionByVariant = fictitiousInjectionsByNode.get(node);
+                if (fictitiousInjectionByVariant != null && fictitiousInjectionByVariant.get(variantIndex) != 0.0) {
+                    return true;
+                }
+            }
+            return false;
+        }
+
+        @Override
+        public boolean hasFictitiousP0() {
+            return hasFictitiousInjection(fictitiousP0ByNode);
+        }
+
         @Override
         public double getFictitiousP0(int node) {
             TDoubleArrayList fictP0 = fictitiousP0ByNode.get(node);
@@ -684,6 +703,11 @@ public VoltageLevel.NodeBreakerView setFictitiousP0(int node, double p0) {
             return this;
         }
 
+        @Override
+        public boolean hasFictitiousQ0() {
+            return hasFictitiousInjection(fictitiousQ0ByNode);
+        }
+
         @Override
         public double getFictitiousQ0(int node) {
             TDoubleArrayList fictQ0 = fictitiousQ0ByNode.get(node);
diff --git a/iidm/iidm-impl/src/main/java/com/powsybl/iidm/network/impl/VoltageLevelExt.java b/iidm/iidm-impl/src/main/java/com/powsybl/iidm/network/impl/VoltageLevelExt.java
index 7c9d1636688..4d2f8238094 100644
--- a/iidm/iidm-impl/src/main/java/com/powsybl/iidm/network/impl/VoltageLevelExt.java
+++ b/iidm/iidm-impl/src/main/java/com/powsybl/iidm/network/impl/VoltageLevelExt.java
@@ -19,6 +19,16 @@ interface VoltageLevelExt extends VoltageLevel, MultiVariantObject, Validable {
 
     interface NodeBreakerViewExt extends NodeBreakerView {
 
+        /**
+         * Returns true if any node has a non-zero fictitious active power injection.
+         */
+        boolean hasFictitiousP0();
+
+        /**
+         * Returns true if any node has a non-zero fictitious reactive power injection.
+         */
+        boolean hasFictitiousQ0();
+
     }
 
     interface BusBreakerViewExt extends BusBreakerView {
diff --git a/iidm/iidm-impl/src/test/java/com/powsybl/iidm/network/impl/NodeBreakerFictitiousInjectionTest.java b/iidm/iidm-impl/src/test/java/com/powsybl/iidm/network/impl/NodeBreakerFictitiousInjectionTest.java
new file mode 100644
index 00000000000..6d8a4fa0e38
--- /dev/null
+++ b/iidm/iidm-impl/src/test/java/com/powsybl/iidm/network/impl/NodeBreakerFictitiousInjectionTest.java
@@ -0,0 +1,32 @@
+package com.powsybl.iidm.network.impl;
+
+import com.powsybl.iidm.network.Bus;
+import com.powsybl.iidm.network.Network;
+import com.powsybl.iidm.network.test.NetworkTest1Factory;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+public class NodeBreakerFictitiousInjectionTest {
+
+    @Test
+    void testHasFictitiousP0AndFictitiousQ0() {
+        Network network = NetworkTest1Factory.create();
+        Bus bus = network.getVoltageLevel("voltageLevel1").getBusBreakerView().getBus("voltageLevel1_0");
+
+        bus.setFictitiousP0(10);
+        bus.setFictitiousQ0(20);
+        VoltageLevelImpl vl = (VoltageLevelImpl) network.getVoltageLevel("voltageLevel1");
+        assertTrue(vl.getNodeBreakerView().hasFictitiousP0());
+        assertTrue(vl.getNodeBreakerView().hasFictitiousQ0());
+        assertEquals(10, bus.getFictitiousP0());
+        assertEquals(20, bus.getFictitiousQ0());
+
+        bus.setFictitiousP0(0.0);
+        bus.setFictitiousQ0(0.0);
+        assertFalse(vl.getNodeBreakerView().hasFictitiousP0());
+        assertFalse(vl.getNodeBreakerView().hasFictitiousQ0());
+        assertEquals(0, bus.getFictitiousP0());
+        assertEquals(0, bus.getFictitiousQ0());
+    }
+}