diff --git a/Defs/Buildings/compact.xml b/Defs/Buildings/compact.xml
index 1e05934..a17b301 100644
--- a/Defs/Buildings/compact.xml
+++ b/Defs/Buildings/compact.xml
@@ -29,6 +29,7 @@
             <li Class="CompProperties_Power">
                 <compClass>CompPowerTrader</compClass>
                 <basePowerConsumption>480</basePowerConsumption>
+                <idlePowerDraw>150</idlePowerDraw>
             </li>
             <li Class="CompProperties_Flickable" />
         </comps>
diff --git a/Defs/Buildings/dense.xml b/Defs/Buildings/dense.xml
index d25f728..d482a92 100644
--- a/Defs/Buildings/dense.xml
+++ b/Defs/Buildings/dense.xml
@@ -32,6 +32,7 @@
             <li Class="CompProperties_Power">
                 <compClass>CompPowerTrader</compClass>
                 <basePowerConsumption>750</basePowerConsumption>
+                <idlePowerDraw>150</idlePowerDraw>
             </li>
             <li Class="CompProperties_Flickable" />
         </comps>
diff --git a/Defs/Buildings/quantum.xml b/Defs/Buildings/quantum.xml
index 596279a..e34f9ee 100644
--- a/Defs/Buildings/quantum.xml
+++ b/Defs/Buildings/quantum.xml
@@ -33,6 +33,7 @@
             <li Class="CompProperties_Power">
                 <compClass>CompPowerTrader</compClass>
                 <basePowerConsumption>2200</basePowerConsumption>
+                <idlePowerDraw>150</idlePowerDraw>
             </li>
             <li Class="CompProperties_Flickable" />
         </comps>
diff --git a/Defs/Buildings/ultra.xml b/Defs/Buildings/ultra.xml
index 6c8974e..113e14c 100644
--- a/Defs/Buildings/ultra.xml
+++ b/Defs/Buildings/ultra.xml
@@ -32,6 +32,7 @@
             <li Class="CompProperties_Power">
                 <compClass>CompPowerTrader</compClass>
                 <basePowerConsumption>1500</basePowerConsumption>
+                <idlePowerDraw>150</idlePowerDraw>
             </li>
             <li Class="CompProperties_Flickable" />
         </comps>
diff --git a/Source/HydroponicsExpanded/Buildings/Building_DenseHydroponicsBasin.cs b/Source/HydroponicsExpanded/Buildings/Building_DenseHydroponicsBasin.cs
index cba600b..b4aaf31 100644
--- a/Source/HydroponicsExpanded/Buildings/Building_DenseHydroponicsBasin.cs
+++ b/Source/HydroponicsExpanded/Buildings/Building_DenseHydroponicsBasin.cs
@@ -25,10 +25,10 @@ namespace HydroponicsExpanded {
                 switch (value) {
                     case HydroponicsStage.Sowing:
                     case HydroponicsStage.Harvest:
-                        _compPowerTrader.PowerOutput = _compPowerTrader.Props.idlePowerDraw;
+                        _compPowerTrader.PowerOutput = -_compPowerTrader.Props.idlePowerDraw;
                         break;
                     case HydroponicsStage.Grow:
-                        _compPowerTrader.PowerOutput = _compPowerTrader.Props.PowerConsumption;
+                        _compPowerTrader.PowerOutput = -_compPowerTrader.Props.PowerConsumption;
                         break;
                     default:
                         throw new ArgumentOutOfRangeException();