diff --git a/code/__DEFINES/~skyrat_defines/apc_defines.dm b/code/__DEFINES/~skyrat_defines/apc_defines.dm
index d969b94a149..a79fa4ee286 100644
--- a/code/__DEFINES/~skyrat_defines/apc_defines.dm
+++ b/code/__DEFINES/~skyrat_defines/apc_defines.dm
@@ -1,6 +1,6 @@
 /// Lower excess value for APC arcing, 5% chance to arc
 #define APC_ARC_LOWERLIMIT 4 MEGA WATTS
 /// Moderate excess value for APC arcing, 10% chance to arc
-#define APC_ARC_MEDIUMLIMIT 7 MEGA WATTS
+#define APC_ARC_MEDIUMLIMIT 5.5 MEGA WATTS
 /// Upper excess value for for APC arcing, 15% chance to arc
-#define APC_ARC_UPPERLIMIT 9 MEGA WATTS
+#define APC_ARC_UPPERLIMIT 7 MEGA WATTS
diff --git a/code/modules/power/apc/apc_main.dm b/code/modules/power/apc/apc_main.dm
index 6bc584bc4a3..871906fe4b8 100644
--- a/code/modules/power/apc/apc_main.dm
+++ b/code/modules/power/apc/apc_main.dm
@@ -8,9 +8,9 @@
 ///Cap for how fast cells charge, as a percentage per second (.01 means cellcharge is capped to 1% per second)
 #define CHARGELEVEL 0.01
 ///Charge percentage at which the lights channel stops working
-#define APC_CHANNEL_LIGHT_TRESHOLD 7 //SKYRAT EDIT CHANGE - Original: 15
+#define APC_CHANNEL_LIGHT_TRESHOLD 10 //SKYRAT EDIT CHANGE - Original: 15
 ///Charge percentage at which the equipment channel stops working
-#define APC_CHANNEL_EQUIP_TRESHOLD 17 //SKYRAT EDIT CHANGE - Original: 30
+#define APC_CHANNEL_EQUIP_TRESHOLD 20 //SKYRAT EDIT CHANGE - Original: 30
 ///Charge percentage at which the APC icon indicates discharging
 #define APC_CHANNEL_ALARM_TRESHOLD 75
 
diff --git a/code/modules/power/smes.dm b/code/modules/power/smes.dm
index 0bb458ffce4..b37e81574ff 100644
--- a/code/modules/power/smes.dm
+++ b/code/modules/power/smes.dm
@@ -69,7 +69,17 @@
 	var/max_charge = 0
 	var/new_charge = 0
 	for(var/datum/stock_part/capacitor/capacitor in component_parts)
-		power_coefficient += capacitor.tier
+		// SKYRAT EDIT CHANGE START - Original: power_coefficient += capacitor.tier
+		switch(capacitor.tier)
+			if(1)
+				power_coefficient = 1
+			if(2)
+				power_coefficient = 2
+			if(3)
+				power_coefficient = 4
+			else
+				power_coefficient = 8
+		// SKYRAT EDIT CHANGE END
 	input_level_max = initial(input_level_max) * power_coefficient
 	output_level_max = initial(output_level_max) * power_coefficient
 	for(var/obj/item/stock_parts/power_store/power_cell in component_parts)
diff --git a/modular_skyrat/master_files/code/modules/power/smes.dm b/modular_skyrat/master_files/code/modules/power/smes.dm
deleted file mode 100644
index d4a504000c3..00000000000
--- a/modular_skyrat/master_files/code/modules/power/smes.dm
+++ /dev/null
@@ -1,8 +0,0 @@
-// TG power bad, SMES power update good
-// Doubles output ability for input/output to allow for higher power generation passthrough without needing to build more SMES or hotwire
-/obj/machinery/power/smes
-	capacity = 75 * STANDARD_BATTERY_CHARGE
-	input_level = 75 KILO WATTS
-	input_level_max = 400 KILO WATTS
-	output_level = 75 KILO WATTS
-	output_level_max = 400 KILO WATTS
diff --git a/modular_skyrat/modules/apc_arcing/code/apc.dm b/modular_skyrat/modules/apc_arcing/code/apc.dm
index e1e3aca619f..6b6fd71404b 100644
--- a/modular_skyrat/modules/apc_arcing/code/apc.dm
+++ b/modular_skyrat/modules/apc_arcing/code/apc.dm
@@ -1,6 +1,6 @@
 /obj/machinery/power/apc
 	/// Has the APC been protected against arcing?
-	var/arc_shielded = TRUE
+	var/arc_shielded = FALSE
 	/// Should we be forcing arcing, assuming there isn't arc shielding?
 	var/force_arcing = FALSE
 
diff --git a/tgstation.dme b/tgstation.dme
index 63be5901b9f..0e64fd92852 100644
--- a/tgstation.dme
+++ b/tgstation.dme
@@ -6791,7 +6791,6 @@
 #include "modular_skyrat\master_files\code\modules\paperwork\stamps.dm"
 #include "modular_skyrat\master_files\code\modules\power\cable.dm"
 #include "modular_skyrat\master_files\code\modules\power\circulator.dm"
-#include "modular_skyrat\master_files\code\modules\power\smes.dm"
 #include "modular_skyrat\master_files\code\modules\power\thermoelectric_generator.dm"
 #include "modular_skyrat\master_files\code\modules\power\lighting\light_mapping_helpers.dm"
 #include "modular_skyrat\master_files\code\modules\power\singularity\containment_field.dm"