diff --git a/cgmes/cgmes-conversion/src/main/java/com/powsybl/cgmes/conversion/CgmesImport.java b/cgmes/cgmes-conversion/src/main/java/com/powsybl/cgmes/conversion/CgmesImport.java
index f118fbd4d27..6dffe400655 100644
--- a/cgmes/cgmes-conversion/src/main/java/com/powsybl/cgmes/conversion/CgmesImport.java
+++ b/cgmes/cgmes-conversion/src/main/java/com/powsybl/cgmes/conversion/CgmesImport.java
@@ -176,7 +176,8 @@ private Network importData1(ReadOnlyDataSource ds, NetworkFactory networkFactory
         return new Conversion(cgmes, config(p), activatedPreProcessors(p), activatedPostProcessors(p), networkFactory).convert(conversionReportNode);
     }
 
-    public void updateData(Network network, ReadOnlyDataSource ds, Properties p, ReportNode reportNode) {
+    @Override
+    public void update(Network network, ReadOnlyDataSource ds, Properties p, ReportNode reportNode) {
         TripleStoreOptions tripleStoreOptions = new TripleStoreOptions();
         tripleStoreOptions.setQueryCatalog("-update");
         ReadOnlyDataSource alternativeDataSourceForBoundary = null;
diff --git a/cgmes/cgmes-conversion/src/test/java/com/powsybl/cgmes/conversion/test/ConversionUtil.java b/cgmes/cgmes-conversion/src/test/java/com/powsybl/cgmes/conversion/test/ConversionUtil.java
index 6feea04ca8e..831706c9d42 100644
--- a/cgmes/cgmes-conversion/src/test/java/com/powsybl/cgmes/conversion/test/ConversionUtil.java
+++ b/cgmes/cgmes-conversion/src/test/java/com/powsybl/cgmes/conversion/test/ConversionUtil.java
@@ -8,7 +8,6 @@
 package com.powsybl.cgmes.conversion.test;
 
 import com.powsybl.cgmes.conversion.CgmesExport;
-import com.powsybl.cgmes.conversion.CgmesImport;
 import com.powsybl.cgmes.conversion.CgmesImportPostProcessor;
 import com.powsybl.cgmes.conversion.Conversion;
 import com.powsybl.cgmes.model.CgmesModel;
@@ -17,7 +16,6 @@
 import com.powsybl.commons.datasource.ReadOnlyDataSource;
 import com.powsybl.commons.datasource.ResourceDataSource;
 import com.powsybl.commons.datasource.ResourceSet;
-import com.powsybl.commons.report.ReportNode;
 import com.powsybl.iidm.network.Network;
 import com.powsybl.triplestore.api.TripleStoreFactory;
 
@@ -102,7 +100,7 @@ public static Network readCgmesResources(Properties properties, String dir, Stri
 
     public static void readCgmesResources(Network network, String dir, String... files) {
         ReadOnlyDataSource ds = new ResourceDataSource("CGMES input file(s)", new ResourceSet(dir, files));
-        new CgmesImport().updateData(network, ds, new Properties(), ReportNode.NO_OP);
+        network.update(ds);
     }
 
     public static String writeCgmesProfile(Network network, String profile, Path outDir) throws IOException {
diff --git a/iidm/iidm-api/src/main/java/com/powsybl/iidm/network/Importer.java b/iidm/iidm-api/src/main/java/com/powsybl/iidm/network/Importer.java
index bf18803ba0c..5828fc5dcfa 100644
--- a/iidm/iidm-api/src/main/java/com/powsybl/iidm/network/Importer.java
+++ b/iidm/iidm-api/src/main/java/com/powsybl/iidm/network/Importer.java
@@ -346,4 +346,27 @@ default Network importData(ReadOnlyDataSource dataSource, NetworkFactory network
     default void copy(ReadOnlyDataSource fromDataSource, DataSource toDataSource) {
         throw new UnsupportedOperationException("Copy not implemented");
     }
+
+    /**
+     * Update a given network with contents coming from a data source.
+     *
+     * @param network network
+     * @param dataSource data source
+     * @param parameters some properties to configure the import
+     * @param reportNode the reportNode used for functional logs
+     */
+    default void update(Network network, ReadOnlyDataSource dataSource, Properties parameters, ReportNode reportNode) {
+        update(network, dataSource, parameters);
+    }
+
+    /**
+     * Update a given network with contents coming from a data source.
+     *
+     * @param network network
+     * @param dataSource data source
+     * @param parameters some properties to configure the import
+     */
+    default void update(Network network, ReadOnlyDataSource dataSource, Properties parameters) {
+        throw new UnsupportedOperationException("Importer do not implement updates");
+    }
 }
diff --git a/iidm/iidm-api/src/main/java/com/powsybl/iidm/network/Network.java b/iidm/iidm-api/src/main/java/com/powsybl/iidm/network/Network.java
index 8197882ca70..764c862e2a3 100644
--- a/iidm/iidm-api/src/main/java/com/powsybl/iidm/network/Network.java
+++ b/iidm/iidm-api/src/main/java/com/powsybl/iidm/network/Network.java
@@ -401,6 +401,29 @@ static void readAll(Path dir, Consumer<Network> consumer) throws IOException, In
         readAll(dir, false, LocalComputationManager.getDefault(), ImportConfig.CACHE.get(), consumer);
     }
 
+    default void update(ReadOnlyDataSource dataSource) {
+        update(dataSource, null);
+    }
+
+    default void update(ReadOnlyDataSource dataSource, Properties properties) {
+        update(dataSource, properties, ReportNode.NO_OP);
+    }
+
+    default void update(ReadOnlyDataSource dataSource, Properties parameters, ReportNode reportNode) {
+        update(dataSource, LocalComputationManager.getDefault(), ImportConfig.load(), parameters,
+                new ImportersServiceLoader(), reportNode);
+    }
+
+    default void update(ReadOnlyDataSource dataSource, ComputationManager computationManager, ImportConfig config, Properties parameters,
+                        ImportersLoader loader, ReportNode reportNode) {
+        Importer importer = Importer.find(dataSource, loader, computationManager, config);
+        if (importer != null) {
+            importer.update(this, dataSource, parameters, reportNode);
+        } else {
+            throw new PowsyblException(Importers.UNSUPPORTED_FILE_FORMAT_OR_INVALID_FILE);
+        }
+    }
+
     /**
      * A global bus/breaker view of the network.
      * <p>