diff --git a/src/components/footer.tsx b/src/components/footer.tsx
index 72df19f1..6c39cc60 100644
--- a/src/components/footer.tsx
+++ b/src/components/footer.tsx
@@ -59,26 +59,23 @@ export const Footer = () => {
   const locale = useLocale();
   const [{ period }] = useQueryStateSingle();
 
-  const {
-    isOpen: isHelpCalculationOpen,
-    open: openHelpCalculation,
-    close: closeHelpCalculation,
-  } = useDisclosure();
-
-  const {
-    isOpen: isHelpCsvDownloadOpen,
-    open: openHelpCsvDownload,
-    close: closeHelpCsvDownload,
-  } = useDisclosure();
+  const helpCalculationDisclosure = useDisclosure();
+  const helpCsvDisclosure = useDisclosure();
+  const helpMunicipalitiesInfoDisclosure = useDisclosure();
 
   const handleOpenCalculation = (ev: React.MouseEvent<HTMLElement>) => {
     ev.preventDefault();
-    openHelpCalculation();
+    helpCalculationDisclosure.open();
   };
 
   const handleOpenCsvDownload = (ev: React.MouseEvent<HTMLElement>) => {
     ev.preventDefault();
-    openHelpCsvDownload();
+    helpCsvDisclosure.open();
+  };
+
+  const handleOpenMunicipalitiesInfo = (ev: React.MouseEvent<HTMLElement>) => {
+    ev.preventDefault();
+    helpMunicipalitiesInfoDisclosure.open();
   };
 
   return (
@@ -119,23 +116,32 @@ export const Footer = () => {
           </FooterLink>
 
           <HelpDialog
-            close={closeHelpCalculation}
+            close={helpCalculationDisclosure.close}
             label={t({
               id: "help.calculation",
               message: `Berechnungsgrundlage`,
             })}
-            open={isHelpCalculationOpen}
+            open={helpCalculationDisclosure.isOpen}
             slug="help-calculation"
           />
           <HelpDialog
-            close={closeHelpCsvDownload}
+            close={helpCsvDisclosure.close}
             label={t({
               id: "help.csv-download",
               message: `Daten als .csv`,
             })}
-            open={isHelpCsvDownloadOpen}
+            open={helpCsvDisclosure.isOpen}
             slug="help-download-raw-data"
           />
+          <HelpDialog
+            close={helpMunicipalitiesInfoDisclosure.close}
+            label={t({
+              id: "help.municipalities-info",
+              message: `Municipalities and grid operators information`,
+            })}
+            open={helpMunicipalitiesInfoDisclosure.isOpen}
+            slug="help-municipalities-and-grid-operators-info"
+          />
           <FooterLink
             target="_blank"
             href={t({
@@ -192,7 +198,17 @@ export const Footer = () => {
           </FooterLink>
           <FooterLink
             href={`/api/municipalities-data.csv?period=${period}`}
-            icon={<IconDownload />}
+            icon={
+              <Box sx={{ display: "flex", flexShrink: 0, gap: "1rem" }}>
+                <IconButton
+                  sx={{ p: 0, width: 24, height: 24, cursor: "pointer" }}
+                  onClick={handleOpenMunicipalitiesInfo}
+                >
+                  <IconInfo />
+                </IconButton>
+                <IconDownload />
+              </Box>
+            }
           >
             {t({
               id: "footer.municipalities-and-grid-operators",
diff --git a/src/locales/de/messages.po b/src/locales/de/messages.po
index 0d3c4bac..50dd930d 100644
--- a/src/locales/de/messages.po
+++ b/src/locales/de/messages.po
@@ -145,78 +145,82 @@ msgstr "Produkt"
 msgid "filters.year"
 msgstr "Jahr"
 
-#: src/components/footer.tsx:115
+#: src/components/footer.tsx:112
 msgid "footer.calculation-basics"
 msgstr "Berechnungsgrundlagen"
 
-#: src/components/footer.tsx:225
+#: src/components/footer.tsx:241
 msgid "footer.create-data-visualizations"
 msgstr "Datenvisualierungen mit den ElCom-Daten erstellen"
 
-#: src/components/footer.tsx:219
+#: src/components/footer.tsx:235
 msgid "footer.create-data-visualizations.link"
 msgstr "https://www.elcom.admin.ch/elcom/de/home/themen/strompreise/tarif-rohdaten-verteilnetzbetreiber.html"
 
-#: src/components/footer.tsx:191
+#: src/components/footer.tsx:197
 msgid "footer.data-as-csv"
 msgstr "Daten als .csv"
 
-#: src/components/footer.tsx:211
+#: src/components/footer.tsx:227
 msgid "footer.data-on-opendata-swiss"
 msgstr "Daten auf opendata.swiss"
 
-#: src/components/footer.tsx:205
+#: src/components/footer.tsx:221
 msgid "footer.data-on-opendata-swiss.link"
 msgstr "https://opendata.swiss/de/group/ener?organization=elcom"
 
-#: src/components/footer.tsx:172
+#: src/components/footer.tsx:178
 msgid "footer.download-visualize-data"
 msgstr "Daten herunterladen / visualisieren"
 
-#: src/components/footer.tsx:256
+#: src/components/footer.tsx:272
 msgid "footer.institution.name"
 msgstr "Eidgenössische Elektrizitätskommission ElCom"
 
-#: src/components/footer.tsx:269
+#: src/components/footer.tsx:285
 msgid "footer.legal-framework"
 msgstr "Rechtliches"
 
-#: src/components/footer.tsx:264
+#: src/components/footer.tsx:280
 msgid "footer.legal-framework.link"
 msgstr "https://www.admin.ch/gov/de/start/rechtliches.html"
 
-#: src/components/footer.tsx:104
+#: src/components/footer.tsx:101
 msgid "footer.more-information"
 msgstr "Weiterführende Informationen"
 
-#: src/components/footer.tsx:148
+#: src/components/footer.tsx:154
 msgid "footer.more-tariffs-information"
 msgstr "Weitere Informationen zu den Tarifen in der Schweiz"
 
-#: src/components/footer.tsx:141
+#: src/components/footer.tsx:147
 msgid "footer.more-tariffs-information.link"
 msgstr "https://www.elcom.admin.ch/elcom/de/home/themen/strompreise.html"
 
-#: src/components/footer.tsx:197
+#: src/components/footer.tsx:213
 msgid "footer.municipalities-and-grid-operators"
 msgstr "Schweizerische Gemeinden und zuständige Stromnetzbetreiber"
 
-#: src/components/footer.tsx:163
+#: src/components/footer.tsx:169
 msgid "footer.transmission-grid-tariff"
 msgstr "Tarifkomponenten Übertragungsnetz - Swissgrid"
 
-#: src/components/footer.tsx:156
+#: src/components/footer.tsx:162
 msgid "footer.transmission-grid-tariff.link"
 msgstr "https://www.swissgrid.ch/dam/swissgrid/customers/topics/tariffs/Tabelle-Tarife-de.pdf"
 
-#: src/components/footer.tsx:123
+#: src/components/footer.tsx:120
 msgid "help.calculation"
 msgstr "Berechnungsgrundlagen"
 
-#: src/components/footer.tsx:132
+#: src/components/footer.tsx:129
 msgid "help.csv-download"
 msgstr "Daten als .csv"
 
+#: src/components/footer.tsx:138
+msgid "help.municipalities-info"
+msgstr "Municipalities and grid operators information"
+
 #: src/components/price-color-legend.tsx:77
 msgid "help.price-comparison"
 msgstr "Tarifvergleich"
diff --git a/src/locales/fr/messages.po b/src/locales/fr/messages.po
index afc5cc26..5f34f1c0 100644
--- a/src/locales/fr/messages.po
+++ b/src/locales/fr/messages.po
@@ -145,78 +145,82 @@ msgstr "Produit"
 msgid "filters.year"
 msgstr "Année"
 
-#: src/components/footer.tsx:115
+#: src/components/footer.tsx:112
 msgid "footer.calculation-basics"
 msgstr "Bases de calcul"
 
-#: src/components/footer.tsx:225
+#: src/components/footer.tsx:241
 msgid "footer.create-data-visualizations"
 msgstr "Créer des visualisations de données avec les données ElCom"
 
-#: src/components/footer.tsx:219
+#: src/components/footer.tsx:235
 msgid "footer.create-data-visualizations.link"
 msgstr "https://www.elcom.admin.ch/elcom/fr/home/themes/prix-de-l_electricite/donnees-brutes-des-gestionnaires-suisses-de-reseau-de-distributi.html"
 
-#: src/components/footer.tsx:191
+#: src/components/footer.tsx:197
 msgid "footer.data-as-csv"
 msgstr "Données au format .csv"
 
-#: src/components/footer.tsx:211
+#: src/components/footer.tsx:227
 msgid "footer.data-on-opendata-swiss"
 msgstr "Données sur opendata.swiss"
 
-#: src/components/footer.tsx:205
+#: src/components/footer.tsx:221
 msgid "footer.data-on-opendata-swiss.link"
 msgstr "https://opendata.swiss/fr/group/ener?organization=elcom"
 
-#: src/components/footer.tsx:172
+#: src/components/footer.tsx:178
 msgid "footer.download-visualize-data"
 msgstr "Télécharger / visualiser les données"
 
-#: src/components/footer.tsx:256
+#: src/components/footer.tsx:272
 msgid "footer.institution.name"
 msgstr "Commission fédérale de l'électricité ElCom"
 
-#: src/components/footer.tsx:269
+#: src/components/footer.tsx:285
 msgid "footer.legal-framework"
 msgstr "Conditions d'utilisation"
 
-#: src/components/footer.tsx:264
+#: src/components/footer.tsx:280
 msgid "footer.legal-framework.link"
 msgstr "https://www.admin.ch/gov/fr/accueil/conditions-utilisation.html"
 
-#: src/components/footer.tsx:104
+#: src/components/footer.tsx:101
 msgid "footer.more-information"
 msgstr "Informations complémentaires"
 
-#: src/components/footer.tsx:148
+#: src/components/footer.tsx:154
 msgid "footer.more-tariffs-information"
 msgstr "Plus d'informations sur les tarifs en Suisse"
 
-#: src/components/footer.tsx:141
+#: src/components/footer.tsx:147
 msgid "footer.more-tariffs-information.link"
 msgstr "https://www.elcom.admin.ch/elcom/fr/home/themes/prix-de-l_electricite.html"
 
-#: src/components/footer.tsx:197
+#: src/components/footer.tsx:213
 msgid "footer.municipalities-and-grid-operators"
 msgstr "Communes suisses et exploitants de réseaux électriques responsables"
 
-#: src/components/footer.tsx:163
+#: src/components/footer.tsx:169
 msgid "footer.transmission-grid-tariff"
 msgstr "Tarifs du réseau de transport suisse - prestations de Swissgrid"
 
-#: src/components/footer.tsx:156
+#: src/components/footer.tsx:162
 msgid "footer.transmission-grid-tariff.link"
 msgstr "https://www.swissgrid.ch/dam/swissgrid/customers/topics/tariffs/Tabelle-Tarife-fr.pdf"
 
-#: src/components/footer.tsx:123
+#: src/components/footer.tsx:120
 msgid "help.calculation"
 msgstr "Base de calcul"
 
-#: src/components/footer.tsx:132
+#: src/components/footer.tsx:129
 msgid "help.csv-download"
 msgstr "Données au format .csv"
 
+#: src/components/footer.tsx:138
+msgid "help.municipalities-info"
+msgstr "Informations sur les communes et les exploitants de réseaux"
+
 #: src/components/price-color-legend.tsx:77
 msgid "help.price-comparison"
 msgstr "Comparaison des tarifs"
diff --git a/src/locales/it/messages.po b/src/locales/it/messages.po
index 5cd5189b..49af3324 100644
--- a/src/locales/it/messages.po
+++ b/src/locales/it/messages.po
@@ -145,78 +145,82 @@ msgstr "Prodotto"
 msgid "filters.year"
 msgstr "Anno"
 
-#: src/components/footer.tsx:115
+#: src/components/footer.tsx:112
 msgid "footer.calculation-basics"
 msgstr "Basi di calcolo"
 
-#: src/components/footer.tsx:225
+#: src/components/footer.tsx:241
 msgid "footer.create-data-visualizations"
 msgstr "Creare visualizzazioni dei dati con i dati di ElCom"
 
-#: src/components/footer.tsx:219
+#: src/components/footer.tsx:235
 msgid "footer.create-data-visualizations.link"
 msgstr "https://www.elcom.admin.ch/elcom/it/home/temi/prezzi-dell-energia-elettrica/dati-grezzi-tariffe-dei-gestori-delle-reti-di-distribuzione-sviz.html"
 
-#: src/components/footer.tsx:191
+#: src/components/footer.tsx:197
 msgid "footer.data-as-csv"
 msgstr "Dati in formato .csv"
 
-#: src/components/footer.tsx:211
+#: src/components/footer.tsx:227
 msgid "footer.data-on-opendata-swiss"
 msgstr "Dati su opendata.swiss"
 
-#: src/components/footer.tsx:205
+#: src/components/footer.tsx:221
 msgid "footer.data-on-opendata-swiss.link"
 msgstr "https://opendata.swiss/it/group/ener?organization=elcom"
 
-#: src/components/footer.tsx:172
+#: src/components/footer.tsx:178
 msgid "footer.download-visualize-data"
 msgstr "Scarica / visualizza i dati"
 
-#: src/components/footer.tsx:256
+#: src/components/footer.tsx:272
 msgid "footer.institution.name"
 msgstr "Commissione federale dell'energia elettrica Elcom"
 
-#: src/components/footer.tsx:269
+#: src/components/footer.tsx:285
 msgid "footer.legal-framework"
 msgstr "Basi legali"
 
-#: src/components/footer.tsx:264
+#: src/components/footer.tsx:280
 msgid "footer.legal-framework.link"
 msgstr "https://www.admin.ch/gov/it/pagina-iniziale/basi-legali.html"
 
-#: src/components/footer.tsx:104
+#: src/components/footer.tsx:101
 msgid "footer.more-information"
 msgstr "Per maggiori informazioni"
 
-#: src/components/footer.tsx:148
+#: src/components/footer.tsx:154
 msgid "footer.more-tariffs-information"
 msgstr "Ulteriori informazioni sulle tariffe in Svizzera"
 
-#: src/components/footer.tsx:141
+#: src/components/footer.tsx:147
 msgid "footer.more-tariffs-information.link"
 msgstr "https://www.elcom.admin.ch/elcom/it/home/temi/prezzi-dell-energia-elettrica.html"
 
-#: src/components/footer.tsx:197
+#: src/components/footer.tsx:213
 msgid "footer.municipalities-and-grid-operators"
 msgstr "Comuni svizzeri e gestori di rete elettrica responsabili"
 
-#: src/components/footer.tsx:163
+#: src/components/footer.tsx:169
 msgid "footer.transmission-grid-tariff"
 msgstr "Tariffe per la rete svizzera di trasmissione - le prestazioni di Swissgrid"
 
-#: src/components/footer.tsx:156
+#: src/components/footer.tsx:162
 msgid "footer.transmission-grid-tariff.link"
 msgstr "https://www.swissgrid.ch/dam/swissgrid/customers/topics/tariffs/Tabelle-Tarife-it.pdf"
 
-#: src/components/footer.tsx:123
+#: src/components/footer.tsx:120
 msgid "help.calculation"
 msgstr "Base di calcolo"
 
-#: src/components/footer.tsx:132
+#: src/components/footer.tsx:129
 msgid "help.csv-download"
 msgstr "Dati in formato .csv"
 
+#: src/components/footer.tsx:138
+msgid "help.municipalities-info"
+msgstr "Informazioni sui comuni e sugli operatori di rete"
+
 #: src/components/price-color-legend.tsx:77
 msgid "help.price-comparison"
 msgstr "Confronto tariffe"