diff --git a/lib/data/shared_prefs_service.dart b/lib/data/shared_prefs_service.dart
index 443f2e5..3bb6dfb 100644
--- a/lib/data/shared_prefs_service.dart
+++ b/lib/data/shared_prefs_service.dart
@@ -16,6 +16,7 @@ class UserPreferencesService {
 
   static const evSourceTypeKey = "evSourceType";
   static const stopTypeKey = "stopType";
+  static const showEv100Key = "showEv100";
   static const cameraEvCalibrationKey = "cameraEvCalibration";
   static const lightSensorEvCalibrationKey = "lightSensorEvCalibration";
   static const meteringScreenLayoutKey = "meteringScreenLayout";
@@ -84,6 +85,9 @@ class UserPreferencesService {
   StopType get stopType => StopType.values[_sharedPreferences.getInt(stopTypeKey) ?? 2];
   set stopType(StopType value) => _sharedPreferences.setInt(stopTypeKey, value.index);
 
+  bool get showEv100 => _sharedPreferences.getBool(showEv100Key) ?? false;
+  set showEv100(bool value) => _sharedPreferences.setBool(showEv100Key, value);
+
   MeteringScreenLayoutConfig get meteringScreenLayout {
     final configJson = _sharedPreferences.getString(meteringScreenLayoutKey);
     if (configJson != null) {
diff --git a/lib/providers/user_preferences_provider.dart b/lib/providers/user_preferences_provider.dart
index 764f282..76eaa23 100644
--- a/lib/providers/user_preferences_provider.dart
+++ b/lib/providers/user_preferences_provider.dart
@@ -53,6 +53,10 @@ class UserPreferencesProvider extends StatefulWidget {
     return _inheritFromEnumsModel(context, _Aspect.stopType).stopType;
   }
 
+  static bool showEv100Of(BuildContext context) {
+    return _inheritFromEnumsModel(context, _Aspect.showEv100).showEv100;
+  }
+
   static CameraFeaturesConfig cameraConfigOf(BuildContext context) {
     return context.findAncestorWidgetOfExactType<_CameraFeaturesModel>()!.data;
   }
@@ -83,6 +87,7 @@ class UserPreferencesProvider extends StatefulWidget {
 class _UserPreferencesProviderState extends State<UserPreferencesProvider> with WidgetsBindingObserver {
   late EvSourceType _evSourceType;
   late StopType _stopType = widget.userPreferencesService.stopType;
+  late bool _showEv100 = widget.userPreferencesService.showEv100;
   late MeteringScreenLayoutConfig _meteringScreenLayout = widget.userPreferencesService.meteringScreenLayout;
   late CameraFeaturesConfig _cameraFeatures = widget.userPreferencesService.cameraFeatures;
   late SupportedLocale _locale = widget.userPreferencesService.locale;
@@ -135,6 +140,7 @@ class _UserPreferencesProviderState extends State<UserPreferencesProvider> with
           evSourceType: _evSourceType,
           locale: _locale,
           primaryColor: dynamicPrimaryColor ?? _primaryColor,
+          showEv100: _showEv100,
           stopType: _stopType,
           themeType: _themeType,
           child: _MeteringScreenLayoutModel(
@@ -201,6 +207,13 @@ class _UserPreferencesProviderState extends State<UserPreferencesProvider> with
     widget.userPreferencesService.primaryColor = primaryColor;
   }
 
+  void toggleShowEV100() {
+    setState(() {
+      _showEv100 = !_showEv100;
+    });
+    widget.userPreferencesService.showEv100 = _showEv100;
+  }
+
   void setStopType(StopType stopType) {
     setState(() {
       _stopType = stopType;
@@ -231,6 +244,7 @@ enum _Aspect {
   dynamicColorState,
   evSourceType,
   locale,
+  showEv100,
   stopType,
   theme,
   themeType,
@@ -240,6 +254,7 @@ class _UserPreferencesModel extends InheritedModel<_Aspect> {
   final DynamicColorState dynamicColorState;
   final EvSourceType evSourceType;
   final SupportedLocale locale;
+  final bool showEv100;
   final StopType stopType;
   final ThemeType themeType;
 
@@ -252,6 +267,7 @@ class _UserPreferencesModel extends InheritedModel<_Aspect> {
     required this.evSourceType,
     required this.locale,
     required Color primaryColor,
+    required this.showEv100,
     required this.stopType,
     required this.themeType,
     required super.child,
@@ -267,6 +283,7 @@ class _UserPreferencesModel extends InheritedModel<_Aspect> {
         evSourceType != oldWidget.evSourceType ||
         locale != oldWidget.locale ||
         _primaryColor != oldWidget._primaryColor ||
+        showEv100 != oldWidget.showEv100 ||
         stopType != oldWidget.stopType ||
         themeType != oldWidget.themeType;
   }
@@ -279,6 +296,7 @@ class _UserPreferencesModel extends InheritedModel<_Aspect> {
     return (dependencies.contains(_Aspect.dynamicColorState) && dynamicColorState != oldWidget.dynamicColorState) ||
         (dependencies.contains(_Aspect.evSourceType) && evSourceType != oldWidget.evSourceType) ||
         (dependencies.contains(_Aspect.locale) && locale != oldWidget.locale) ||
+        (dependencies.contains(_Aspect.showEv100) && showEv100 != oldWidget.showEv100) ||
         (dependencies.contains(_Aspect.stopType) && stopType != oldWidget.stopType) ||
         (dependencies.contains(_Aspect.theme) &&
             (_brightness != oldWidget._brightness || _primaryColor != oldWidget._primaryColor)) ||
diff --git a/test/data/shared_prefs_service_test.dart b/test/data/shared_prefs_service_test.dart
index 96f4e1e..269d002 100644
--- a/test/data/shared_prefs_service_test.dart
+++ b/test/data/shared_prefs_service_test.dart
@@ -181,6 +181,25 @@ void main() {
     });
   });
 
+  group('showEv100', () {
+    test('get default', () {
+      when(() => sharedPreferences.getBool(UserPreferencesService.showEv100Key)).thenReturn(null);
+      expect(service.showEv100, false);
+    });
+
+    test('get', () {
+      when(() => sharedPreferences.getBool(UserPreferencesService.showEv100Key)).thenReturn(true);
+      expect(service.showEv100, true);
+    });
+
+    test('set', () {
+      when(() => sharedPreferences.setBool(UserPreferencesService.showEv100Key, false))
+          .thenAnswer((_) => Future.value(true));
+      service.showEv100 = false;
+      verify(() => sharedPreferences.setBool(UserPreferencesService.showEv100Key, false)).called(1);
+    });
+  });
+
   group('meteringScreenLayout', () {
     test('get default', () {
       when(
diff --git a/test/providers/user_preferences_provider_test.dart b/test/providers/user_preferences_provider_test.dart
index b6dc2ae..cb9408c 100644
--- a/test/providers/user_preferences_provider_test.dart
+++ b/test/providers/user_preferences_provider_test.dart
@@ -164,6 +164,27 @@ void main() {
     },
   );
 
+  testWidgets(
+    'Toggle EV100',
+    (tester) async {
+      when(() => mockUserPreferencesService.showEv100).thenReturn(false);
+      await pumpTestWidget(
+        tester,
+        builder: (context) => ElevatedButton(
+          onPressed: () => UserPreferencesProvider.of(context).toggleShowEV100(),
+          child: Text('${UserPreferencesProvider.showEv100Of(context)}'),
+        ),
+      );
+      await tester.pumpAndSettle();
+      expect(find.text("${false}"), findsOneWidget);
+
+      await tester.tap(find.text("${false}"));
+      await tester.pumpAndSettle();
+      expect(find.text("${true}"), findsOneWidget);
+      verify(() => mockUserPreferencesService.showEv100 = true).called(1);
+    },
+  );
+
   testWidgets(
     'Set metering screen layout config',
     (tester) async {