diff --git a/csharp/App/Backend/DataTypes/Installation.cs b/csharp/App/Backend/DataTypes/Installation.cs
index f5d6cbe48..3339b0188 100644
--- a/csharp/App/Backend/DataTypes/Installation.cs
+++ b/csharp/App/Backend/DataTypes/Installation.cs
@@ -62,6 +62,7 @@ public class Installation : TreeNode
     public string InstallationModel           { get; set; } = "";
     public string ExternalEms                { get; set; } = "No";
     public string CouplingType               { get; set; } = "DC";
+    public string BackupLoad                 { get; set; } = "None";
 
     [Ignore]
     public String OrderNumbers  { get; set; }
diff --git a/csharp/App/Backend/Database/Db.cs b/csharp/App/Backend/Database/Db.cs
index 7d04a7c60..dfa906c85 100644
--- a/csharp/App/Backend/Database/Db.cs
+++ b/csharp/App/Backend/Database/Db.cs
@@ -294,6 +294,7 @@ public static partial class Db
         fileConnection.Execute("UPDATE Installation SET ExternalEms = 'No' WHERE ExternalEms IS NULL OR ExternalEms = ''");
         fileConnection.Execute("UPDATE Installation SET InstallationModel = '' WHERE InstallationModel IS NULL");
         fileConnection.Execute("UPDATE Installation SET PvStringsPerInverter = '' WHERE PvStringsPerInverter IS NULL");
+        fileConnection.Execute("UPDATE Installation SET BackupLoad = 'None' WHERE BackupLoad IS NULL");
 
         return fileConnection;
         //return CopyDbToMemory(fileConnection);
diff --git a/typescript/frontend-marios2/src/content/dashboards/Information/InformationSodistoreHome.tsx b/typescript/frontend-marios2/src/content/dashboards/Information/InformationSodistoreHome.tsx
index 034aebeb1..4884cf972 100644
--- a/typescript/frontend-marios2/src/content/dashboards/Information/InformationSodistoreHome.tsx
+++ b/typescript/frontend-marios2/src/content/dashboards/Information/InformationSodistoreHome.tsx
@@ -931,6 +931,35 @@ function InformationSodistorehome(props: InformationSodistorehomeProps) {
                       </FormControl>
                     </div>
 
+                    <div>
+                      <FormControl sx={{ m: 1, width: '50ch' }}>
+                        <InputLabel
+                          shrink
+                          sx={{ fontSize: 14, backgroundColor: 'white', px: 0.5 }}
+                        >
+                          <FormattedMessage id="backupLoad" defaultMessage="Backup Load" />
+                        </InputLabel>
+                        <Select
+                          name="backupLoad"
+                          value={formValues.backupLoad || 'None'}
+                          onChange={handleChange}
+                          inputProps={{ readOnly: !canEdit }}
+                          displayEmpty
+                          notched
+                        >
+                          <MenuItem value="Whole">
+                            <FormattedMessage id="backupWhole" defaultMessage="Whole house" />
+                          </MenuItem>
+                          <MenuItem value="Partial">
+                            <FormattedMessage id="backupPartial" defaultMessage="Partial" />
+                          </MenuItem>
+                          <MenuItem value="None">
+                            <FormattedMessage id="backupNone" defaultMessage="Not used" />
+                          </MenuItem>
+                        </Select>
+                      </FormControl>
+                    </div>
+
                     {isSodistorePro ? (
                     <div>
                       <TextField
diff --git a/typescript/frontend-marios2/src/interfaces/InstallationTypes.tsx b/typescript/frontend-marios2/src/interfaces/InstallationTypes.tsx
index a90fd1c90..bdf4c293d 100644
--- a/typescript/frontend-marios2/src/interfaces/InstallationTypes.tsx
+++ b/typescript/frontend-marios2/src/interfaces/InstallationTypes.tsx
@@ -29,6 +29,7 @@ export interface I_Installation extends I_S3Credentials {
   installationModel: string;
   externalEms: string;
   couplingType: string;
+  backupLoad: string;
 
   parentId: number;
   s3WriteKey: string;
diff --git a/typescript/frontend-marios2/src/lang/de.json b/typescript/frontend-marios2/src/lang/de.json
index b1e5e495f..1206fbe11 100644
--- a/typescript/frontend-marios2/src/lang/de.json
+++ b/typescript/frontend-marios2/src/lang/de.json
@@ -135,6 +135,10 @@
   "couplingAC": "AC-gekoppelt",
   "couplingDC": "DC-gekoppelt",
   "couplingMixed": "Gemischt",
+  "backupLoad": "Notstromfähigkeit",
+  "backupWhole": "Komplettes Haus",
+  "backupPartial": "Teilnetz",
+  "backupNone": "nicht verwendet",
   "selectModel": "Modell auswählen...",
   "inverterN": "Wechselrichter {n}",
   "clusterN": "Cluster {n}",
diff --git a/typescript/frontend-marios2/src/lang/en.json b/typescript/frontend-marios2/src/lang/en.json
index b2fa41d69..88187a82f 100644
--- a/typescript/frontend-marios2/src/lang/en.json
+++ b/typescript/frontend-marios2/src/lang/en.json
@@ -117,6 +117,10 @@
   "couplingAC": "AC-coupled",
   "couplingDC": "DC-coupled",
   "couplingMixed": "Mixed",
+  "backupLoad": "Backup Load",
+  "backupWhole": "Whole house",
+  "backupPartial": "Partial",
+  "backupNone": "Not used",
   "selectModel": "Select model...",
   "inverterN": "Inverter {n}",
   "clusterN": "Cluster {n}",
diff --git a/typescript/frontend-marios2/src/lang/fr.json b/typescript/frontend-marios2/src/lang/fr.json
index 055d306b7..cbc6c2fe7 100644
--- a/typescript/frontend-marios2/src/lang/fr.json
+++ b/typescript/frontend-marios2/src/lang/fr.json
@@ -129,6 +129,10 @@
   "couplingAC": "Couplage AC",
   "couplingDC": "Couplage DC",
   "couplingMixed": "Mixte",
+  "backupLoad": "Capacité de secours",
+  "backupWhole": "Maison entière",
+  "backupPartial": "Partiel",
+  "backupNone": "Non utilisé",
   "selectModel": "Sélectionner le modèle...",
   "inverterN": "Onduleur {n}",
   "clusterN": "Cluster {n}",
diff --git a/typescript/frontend-marios2/src/lang/it.json b/typescript/frontend-marios2/src/lang/it.json
index 7865ebf64..74e94f681 100644
--- a/typescript/frontend-marios2/src/lang/it.json
+++ b/typescript/frontend-marios2/src/lang/it.json
@@ -117,6 +117,10 @@
   "couplingAC": "Accoppiamento AC",
   "couplingDC": "Accoppiamento DC",
   "couplingMixed": "Misto",
+  "backupLoad": "Capacità di backup",
+  "backupWhole": "Intera casa",
+  "backupPartial": "Parziale",
+  "backupNone": "Non utilizzato",
   "selectModel": "Seleziona modello...",
   "inverterN": "Inverter {n}",
   "clusterN": "Cluster {n}",