diff --git a/src/main/resources/db/changelog/changesets/changelog_20250612T140000Z.xml b/src/main/resources/db/changelog/changesets/changelog_20250612T140000Z.xml
new file mode 100644
index 0000000..3f366a1
--- /dev/null
+++ b/src/main/resources/db/changelog/changesets/changelog_20250612T140000Z.xml
@@ -0,0 +1,22 @@
+<?xml version="1.1" encoding="UTF-8" standalone="no"?>
+<databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog" xmlns:ext="http://www.liquibase.org/xml/ns/dbchangelog-ext" xmlns:pro="http://www.liquibase.org/xml/ns/pro" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog-ext http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-ext.xsd http://www.liquibase.org/xml/ns/pro http://www.liquibase.org/xml/ns/pro/liquibase-pro-latest.xsd http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-latest.xsd">
+    <changeSet author="berrahmaach" id="update-shunt-compensator-formulas-switchedOnQAtNominalV">
+        <comment>Update switchedOnQAtNominalV formula to use maxQAtNominalV / maximumSectionCount only if it hasn't been modified</comment>
+        <sql dbms="postgresql">
+            UPDATE spreadsheet_column
+            SET formula = 'maxQAtNominalV / maximumSectionCount'
+            WHERE column_id = 'switchedOnQAtNominalV'
+              AND formula = 'switchedOnQAtNominalV';
+        </sql>
+    </changeSet>
+
+    <changeSet author="berrahmaach" id="update-shunt-compensator-formulas-switchedOnSusceptance">
+        <comment>Update switchedOnSusceptance formula to use maxSusceptance / maximumSectionCount only if it hasn't been modified</comment>
+        <sql dbms="postgresql">
+            UPDATE spreadsheet_column
+            SET formula = 'maxSusceptance / maximumSectionCount'
+            WHERE column_id = 'switchedOnSusceptance'
+              AND formula = 'switchedOnSusceptance';
+        </sql>
+    </changeSet>
+</databaseChangeLog>
diff --git a/src/main/resources/db/changelog/db.changelog-master.yaml b/src/main/resources/db/changelog/db.changelog-master.yaml
index 7cf9553..4f68682 100644
--- a/src/main/resources/db/changelog/db.changelog-master.yaml
+++ b/src/main/resources/db/changelog/db.changelog-master.yaml
@@ -50,3 +50,6 @@ databaseChangeLog:
   - include:
       file: changesets/changelog_20250604T144112Z.xml
       relativeToChangelogFile: true
+  - include:
+      file: changesets/changelog_20250612T140000Z.xml
+      relativeToChangelogFile: true
diff --git a/src/main/resources/default-spreadsheet-config-collection.json b/src/main/resources/default-spreadsheet-config-collection.json
index 0b73190..ecc7b8b 100644
--- a/src/main/resources/default-spreadsheet-config-collection.json
+++ b/src/main/resources/default-spreadsheet-config-collection.json
@@ -1338,7 +1338,7 @@
           "name": "Switch-on Q at nominal voltage",
           "type": "NUMBER",
           "precision": 1,
-          "formula": "switchedOnQAtNominalV",
+          "formula": "maxQAtNominalV / maximumSectionCount",
           "dependencies": null,
           "id": "switchedOnQAtNominalV"
         },
@@ -1354,7 +1354,7 @@
           "name": "Switch-on susceptance",
           "type": "NUMBER",
           "precision": 5,
-          "formula": "switchedOnSusceptance",
+          "formula": "maxSusceptance / maximumSectionCount",
           "dependencies": null,
           "id": "switchedOnSusceptance"
         },