diff --git a/mods/d2k/maps/atreides-02b/rules.yaml b/mods/d2k/maps/atreides-02b/rules.yaml
index 3000ea3039..e4f1468e3f 100644
--- a/mods/d2k/maps/atreides-02b/rules.yaml
+++ b/mods/d2k/maps/atreides-02b/rules.yaml
@@ -51,4 +51,6 @@ outpostnopower:
 	Inherits: outpost
 	Buildable:
 		Prerequisites: ~disabled
-	-RequiresPower:
+	GrantCondition@IDISABLE:
+		RequiresCondition: powerdown
+	-GrantConditionOnPowerState@LOWPOWER:
diff --git a/mods/d2k/rules/defaults.yaml b/mods/d2k/rules/defaults.yaml
index b5ef0608c7..4213ce46f3 100644
--- a/mods/d2k/rules/defaults.yaml
+++ b/mods/d2k/rules/defaults.yaml
@@ -470,9 +470,29 @@
 		Categories: Defense
 	-CommandBarBlacklist:
 
-^DisabledOverlay:
+^DisableOnLowPower:
 	WithColoredOverlay@IDISABLE:
 		RequiresCondition: disabled
 		Palette: disabled
-	GrantConditionOnDisabled@IDISABLE:
+	GrantConditionOnPowerState@LOWPOWER:
+		Condition: lowpower
+		ValidPowerStates: Low, Critical
+	GrantCondition@IDISABLE:
+		RequiresCondition: lowpower
 		Condition: disabled
+
+^DisableOnLowPowerOrPowerDown:
+	Inherits: ^DisableOnLowPower
+	GrantCondition@IDISABLE:
+		RequiresCondition: lowpower || powerdown
+		Condition: disabled
+	CanPowerDown:
+		PowerupSound: EnablePower
+		PowerdownSound: DisablePower
+		PowerdownCondition: powerdown
+	WithDecoration@POWERDOWN:
+		Image: poweroff
+		Sequence: offline
+		Palette: chrome
+		RequiresCondition: powerdown
+		ReferencePoint: Center
diff --git a/mods/d2k/rules/structures.yaml b/mods/d2k/rules/structures.yaml
index ac905ec412..599335c24f 100644
--- a/mods/d2k/rules/structures.yaml
+++ b/mods/d2k/rules/structures.yaml
@@ -534,11 +534,7 @@ heavy_factory:
 
 outpost:
 	Inherits: ^Building
-	Inherits@IDISABLE: ^DisabledOverlay
-	RequiresPower:
-	CanPowerDown:
-		PowerupSound: EnablePower
-		PowerdownSound: DisablePower
+	Inherits@IDISABLE: ^DisableOnLowPowerOrPowerDown
 	Buildable:
 		Prerequisites: barracks, ~techlevel.medium
 		Queue: Building
@@ -589,7 +585,6 @@ outpost:
 
 starport:
 	Inherits: ^Building
-	Inherits@IDISABLE: ^DisabledOverlay
 	Tooltip:
 		Name: Starport
 	Buildable:
@@ -764,8 +759,10 @@ medium_gun_turret:
 
 large_gun_turret:
 	Inherits: ^Defense
-	Inherits@IDISABLE: ^DisabledOverlay
+	Inherits@IDISABLE: ^DisableOnLowPowerOrPowerDown
 	Inherits@AUTOTARGET: ^AutoTargetGround
+	AttackTurreted:
+		RequiresCondition: !disabled
 	Buildable:
 		Queue: Building
 		Prerequisites: outpost, upgrade.conyard, ~techlevel.medium
@@ -799,10 +796,6 @@ large_gun_turret:
 	Turreted:
 		TurnSpeed: 8
 		InitialFacing: 128
-	RequiresPower:
-	CanPowerDown:
-		PowerupSound: EnablePower
-		PowerdownSound: DisablePower
 	Power:
 		Amount: -60
 	SelectionDecorations:
@@ -1000,7 +993,7 @@ research_centre:
 
 palace:
 	Inherits: ^Building
-	Inherits@IDISABLE: ^DisabledOverlay
+	Inherits@IDISABLE: ^DisableOnLowPowerOrPowerDown
 	Buildable:
 		Prerequisites: research_centre, ~techlevel.high
 		Queue: Building
@@ -1115,10 +1108,6 @@ palace:
 		ExitCell: 0,3
 	Production:
 		Produces: Palace
-	CanPowerDown:
-		PowerupSound: EnablePower
-		PowerdownSound: DisablePower
-	RequiresPower:
 	SupportPowerChargeBar:
 	ProvidesPrerequisite@buildingname: