diff --git a/ApplicationCode/ReservoirDataModel/RigActiveCellInfo.cpp b/ApplicationCode/ReservoirDataModel/RigActiveCellInfo.cpp
index bb0da770da..b58b17c5d4 100644
--- a/ApplicationCode/ReservoirDataModel/RigActiveCellInfo.cpp
+++ b/ApplicationCode/ReservoirDataModel/RigActiveCellInfo.cpp
@@ -193,6 +193,14 @@ void RigActiveCellInfo::clear()
     m_activeCellsBoundingBox.reset();
 }
 
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+bool RigActiveCellInfo::isCoarseningActive() const
+{
+    return m_globalCellResultCount != m_globalActiveCellCount;
+}
+
 //--------------------------------------------------------------------------------------------------
 /// 
 //--------------------------------------------------------------------------------------------------
diff --git a/ApplicationCode/ReservoirDataModel/RigActiveCellInfo.h b/ApplicationCode/ReservoirDataModel/RigActiveCellInfo.h
index 2719dbffb5..cbe11c9b8c 100644
--- a/ApplicationCode/ReservoirDataModel/RigActiveCellInfo.h
+++ b/ApplicationCode/ReservoirDataModel/RigActiveCellInfo.h
@@ -36,6 +36,7 @@ public:
     size_t              globalCellCount() const;
     size_t              globalActiveCellCount() const;
     size_t              globalCellResultCount() const;
+    bool                isCoarseningActive() const;
 
     bool                isActive(size_t globalCellIndex) const;
     size_t              cellResultIndex(size_t globalCellIndex) const;