diff --git a/energy_storage/heatexchanger1.lua b/energy_storage/heatexchanger1.lua
index 512e64e..0003ae8 100644
--- a/energy_storage/heatexchanger1.lua
+++ b/energy_storage/heatexchanger1.lua
@@ -22,9 +22,9 @@ local CYCLE_TIME = 2
 local PWR_PERF = 60
 local GRVL_CAPA = 700
 local PWR_CAPA = {
-	[3] = GRVL_CAPA * 3 * 3 * 3,  -- 18900 Cyc = 630 min = 31.5 Tage bei einem ku, oder 31,5 * 24 kuh = 756 kuh = 12,6 h bei 60 ku
-	[5] = GRVL_CAPA * 5 * 5 * 5,  -- ~2.5 days
-	[7] = GRVL_CAPA * 7 * 7 * 7,  --   ~6 days
+	[5] = GRVL_CAPA * 3 * 3 * 3,  -- 18900 Cyc = 630 min = 31.5 Tage bei einem ku, oder 31,5 * 24 kuh = 756 kuh = 12,6 h bei 60 ku
+	[7] = GRVL_CAPA * 5 * 5 * 5,  -- ~2.5 days
+	[9] = GRVL_CAPA * 7 * 7 * 7,  --   ~6 days
 }
 
 local Cable = techage.ElectricCable