diff --git a/lib/SimuGaz/SimuGaz.cpp b/lib/SimuGaz/SimuGaz.cpp
index 1ef8c89..22880d2 100644
--- a/lib/SimuGaz/SimuGaz.cpp
+++ b/lib/SimuGaz/SimuGaz.cpp
@@ -1,6 +1,6 @@
 #include <SimuGaz.h>
 
-#define INITIAL_CONSUMPTION 3451.02f
+#define INITIAL_CONSUMPTION 1594.87f
 #define INITIAL_SECONDS 11462400  // date initiale = 13/05/2026 16:00
 #define AVERAGE_DAILY_CONSUMPTION 2.66f