diff --git a/frontend/.dependency-cruiser.cjs b/frontend/.dependency-cruiser.cjs
index bc995c20c..84084feeb 100644
--- a/frontend/.dependency-cruiser.cjs
+++ b/frontend/.dependency-cruiser.cjs
@@ -7,7 +7,7 @@ module.exports = {
                 "You are trying to import from a file that is supposed to be an internal implementation detail of the framework from outside the framework folder. This is not allowed.",
             severity: "error",
             from: {
-                pathNot: "^((src/framework)|(src/App.tsx))",
+                pathNot: "^((src/framework)|(src/(App|main).tsx))",
             },
             to: {
                 path: "^(src/framework/internal)",
diff --git a/frontend/src/App.tsx b/frontend/src/App.tsx
index 172d1cac4..4a0e9b82f 100644
--- a/frontend/src/App.tsx
+++ b/frontend/src/App.tsx
@@ -4,42 +4,50 @@ import { DrawerContent, LayoutElement, Workbench } from "@framework/Workbench";
 import { LoginDialog } from "@framework/internal/components/LoginDialog";
 import { NavBar } from "@framework/internal/components/NavBar";
 import { SettingsContentPanels } from "@framework/internal/components/SettingsContentPanels";
-import { AuthProvider } from "@framework/internal/providers/AuthProvider";
-import { CustomQueryClientProvider } from "@framework/internal/providers/QueryClientProvider";
+import { useQueryClient } from "@tanstack/react-query";
 
+import { useSetStoreValue } from "./framework/StateStore";
 import "./modules/registerAllModules";
 import "./templates/registerAllTemplates";
 
 const layout: LayoutElement[] = [];
 
 function App() {
-    const workbench = new Workbench();
+    const workbench = React.useRef<Workbench>(new Workbench());
+    const queryClient = useQueryClient();
+
+    const setLoadingEnsembleSet = useSetStoreValue(workbench.current.getGuiStateStore(), "loadingEnsembleSet");
 
     React.useEffect(() => {
-        if (!workbench.loadLayoutFromLocalStorage()) {
-            workbench.makeLayout(layout);
+        if (!workbench.current.loadLayoutFromLocalStorage()) {
+            workbench.current.makeLayout(layout);
+        }
+
+        if (workbench.current.getLayout().length === 0) {
+            workbench.current.getGuiStateStore().setValue("drawerContent", DrawerContent.ModulesList);
         }
-        if (workbench.getLayout().length === 0) {
-            workbench.getGuiStateStore().setValue("drawerContent", DrawerContent.ModulesList);
+
+        const storedEnsembleIdents = workbench.current.maybeLoadEnsembleSetFromLocalStorage();
+        if (storedEnsembleIdents) {
+            workbench.current.getGuiStateStore().setValue("loadingEnsembleSet", true);
+            workbench.current.loadAndSetupEnsembleSetInSession(queryClient, storedEnsembleIdents).then(() => {
+                setLoadingEnsembleSet(false);
+            });
         }
 
         return function () {
-            workbench.clearLayout();
+            workbench.current.clearLayout();
         };
     }, []);
 
     return (
-        <AuthProvider>
-            <CustomQueryClientProvider>
-                <>
-                    <LoginDialog />
-                    <div className="h-screen flex flex-row">
-                        <NavBar workbench={workbench} />
-                        <SettingsContentPanels workbench={workbench} />
-                    </div>
-                </>
-            </CustomQueryClientProvider>
-        </AuthProvider>
+        <>
+            <LoginDialog />
+            <div className="h-screen flex flex-row">
+                <NavBar workbench={workbench.current} />
+                <SettingsContentPanels workbench={workbench.current} />
+            </div>
+        </>
     );
 }
 
diff --git a/frontend/src/framework/Workbench.ts b/frontend/src/framework/Workbench.ts
index 8954c3390..8580a6cdd 100644
--- a/frontend/src/framework/Workbench.ts
+++ b/frontend/src/framework/Workbench.ts
@@ -41,6 +41,7 @@ export type LayoutElement = {
 export type WorkbenchGuiState = {
     drawerContent: DrawerContent;
     settingsPanelWidthInPercent: number;
+    loadingEnsembleSet: boolean;
 };
 
 export class Workbench {
@@ -61,6 +62,7 @@ export class Workbench {
         this._guiStateStore = new StateStore<WorkbenchGuiState>({
             drawerContent: DrawerContent.ModuleSettings,
             settingsPanelWidthInPercent: parseFloat(localStorage.getItem("settingsPanelWidthInPercent") || "20"),
+            loadingEnsembleSet: false,
         });
         this._workbenchSession = new WorkbenchSessionPrivate();
         this._workbenchServices = new PrivateWorkbenchServices(this);
@@ -239,6 +241,8 @@ export class Workbench {
         queryClient: QueryClient,
         specifiedEnsembleIdents: EnsembleIdent[]
     ): Promise<void> {
+        this.storeEnsembleSetInLocalStorage(specifiedEnsembleIdents);
+
         const ensembleIdentsToLoad: EnsembleIdent[] = [];
         for (const ensSpec of specifiedEnsembleIdents) {
             ensembleIdentsToLoad.push(new EnsembleIdent(ensSpec.getCaseUuid(), ensSpec.getEnsembleName()));
@@ -252,6 +256,21 @@ export class Workbench {
         return this._workbenchSession.setEnsembleSet(newEnsembleSet);
     }
 
+    private storeEnsembleSetInLocalStorage(specifiedEnsembleIdents: EnsembleIdent[]): void {
+        const ensembleIdentsToStore = specifiedEnsembleIdents.map((el) => el.toString());
+        localStorage.setItem("ensembleIdents", JSON.stringify(ensembleIdentsToStore));
+    }
+
+    maybeLoadEnsembleSetFromLocalStorage(): EnsembleIdent[] | null {
+        const ensembleIdentsString = localStorage.getItem("ensembleIdents");
+        if (!ensembleIdentsString) return null;
+
+        const ensembleIdents = JSON.parse(ensembleIdentsString) as string[];
+        const ensembleIdentsParsed = ensembleIdents.map((el) => EnsembleIdent.fromString(el));
+
+        return ensembleIdentsParsed;
+    }
+
     applyTemplate(template: Template): void {
         this.clearLayout();
 
diff --git a/frontend/src/framework/internal/components/NavBar/navBar.tsx b/frontend/src/framework/internal/components/NavBar/navBar.tsx
index 9b9d22803..ccff4ee24 100644
--- a/frontend/src/framework/internal/components/NavBar/navBar.tsx
+++ b/frontend/src/framework/internal/components/NavBar/navBar.tsx
@@ -37,7 +37,10 @@ const NavBarDivider: React.FC = () => {
 export const NavBar: React.FC<NavBarProps> = (props) => {
     const [ensembleDialogOpen, setEnsembleDialogOpen] = React.useState<boolean>(false);
     const [expanded, setExpanded] = React.useState<boolean>(localStorage.getItem("navBarExpanded") === "true");
-    const [loadingEnsembles, setLoadingEnsembles] = React.useState<boolean>(false);
+    const [loadingEnsembleSet, setLoadingEnsembleSet] = useStoreState(
+        props.workbench.getGuiStateStore(),
+        "loadingEnsembleSet"
+    );
     const [drawerContent, setDrawerContent] = useStoreState(props.workbench.getGuiStateStore(), "drawerContent");
     const [settingsPanelWidth, setSettingsPanelWidth] = useStoreState(
         props.workbench.getGuiStateStore(),
@@ -88,9 +91,9 @@ export const NavBar: React.FC<NavBarProps> = (props) => {
             const selectedEnsembleIdents = selectedEnsembles.map(
                 (ens) => new EnsembleIdent(ens.caseUuid, ens.ensembleName)
             );
-            setLoadingEnsembles(true);
+            setLoadingEnsembleSet(true);
             props.workbench.loadAndSetupEnsembleSetInSession(queryClient, selectedEnsembleIdents).then(() => {
-                setLoadingEnsembles(false);
+                setLoadingEnsembleSet(false);
             });
         }
     }
@@ -132,14 +135,14 @@ export const NavBar: React.FC<NavBarProps> = (props) => {
                     onClick={handleEnsembleClick}
                     className="w-full !text-slate-800 h-10"
                     startIcon={
-                        selectedEnsembles.length === 0 && !loadingEnsembles ? (
+                        selectedEnsembles.length === 0 && !loadingEnsembleSet ? (
                             <QueueListIcon className="w-5 h-5 mr-2" />
                         ) : (
                             <Badge
                                 className="mr-2"
                                 color="bg-blue-500"
                                 badgeContent={
-                                    loadingEnsembles ? (
+                                    loadingEnsembleSet ? (
                                         <CircularProgress size="extra-small" color="inherit" />
                                     ) : (
                                         selectedEnsembles.length
diff --git a/frontend/src/main.tsx b/frontend/src/main.tsx
index 74834ef23..413a6cca9 100644
--- a/frontend/src/main.tsx
+++ b/frontend/src/main.tsx
@@ -1,6 +1,9 @@
 import React from "react";
 import { createRoot } from "react-dom/client";
 
+import { AuthProvider } from "@framework/internal/providers/AuthProvider";
+import { CustomQueryClientProvider } from "@framework/internal/providers/QueryClientProvider";
+
 import App from "./App";
 
 const container = document.getElementById("root");
@@ -13,6 +16,10 @@ const root = createRoot(container);
 
 root.render(
     <React.StrictMode>
-        <App />
+        <AuthProvider>
+            <CustomQueryClientProvider>
+                <App />
+            </CustomQueryClientProvider>
+        </AuthProvider>
     </React.StrictMode>
 );