diff --git a/src/main/java/gregtech/common/covers/GT_Cover_SolarPanel.java b/src/main/java/gregtech/common/covers/GT_Cover_SolarPanel.java
index ca25a0a1..458d2354 100644
--- a/src/main/java/gregtech/common/covers/GT_Cover_SolarPanel.java
+++ b/src/main/java/gregtech/common/covers/GT_Cover_SolarPanel.java
@@ -1,7 +1,20 @@
 package gregtech.common.covers;
 
+import forestry.core.items.ItemRegistry;
+import gregtech.api.enums.Materials;
+import gregtech.api.enums.OreDictNames;
+import gregtech.api.enums.OrePrefixes;
 import gregtech.api.interfaces.tileentity.ICoverable;
+import gregtech.api.objects.XSTR;
 import gregtech.api.util.GT_CoverBehavior;
+import gregtech.api.util.GT_OreDictUnificator;
+import gregtech.api.util.GT_Utility;
+import ic2.api.item.ElectricItem;
+import net.minecraft.entity.EntityLivingBase;
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.init.Items;
+import net.minecraft.item.ItemStack;
+import net.minecraft.network.Packet;
 
 public class GT_Cover_SolarPanel
         extends GT_CoverBehavior {
@@ -12,21 +25,64 @@ public class GT_Cover_SolarPanel
     }
 
     public int doCoverThings(byte aSide, byte aInputRedstone, int aCoverID, int aCoverVariable, ICoverable aTileEntity, long aTimer) {
+        if(aSide != 1)return 0;
+        int coverState=aCoverVariable&0x3;
+        int coverNum=aCoverVariable>>2;
         if (aTimer % 100L == 0L) {
-            if ((aSide != 1) || (aTileEntity.getWorld().isThundering())) {
-                aCoverVariable = 0;
+            if (aTileEntity.getWorld().isThundering()) {
+                return aTileEntity.getBiome().rainfall > 0.0F && aTileEntity.getSkyAtSide(aSide) ? Math.min(20,coverNum)<<2 : coverNum<<2;
             } else {
-                boolean bRain = (aTileEntity.getWorld().isRaining()) && (aTileEntity.getBiome().rainfall > 0.0F);
-                aCoverVariable = bRain && aTileEntity.getWorld().skylightSubtracted >= 4 || !aTileEntity.getSkyAtSide(aSide) ? 0 : ((int) (!bRain && aTileEntity.getWorld().isDaytime() ? 1 : 2));
+                if(aTileEntity.getWorld().isRaining() && aTileEntity.getBiome().rainfall > 0.0F){//really rains
+                    if(aTileEntity.getSkyAtSide(aSide)) coverNum=Math.min(30,coverNum);
+                    if(aTileEntity.getWorld().skylightSubtracted >= 4){
+                        if(aTileEntity.getWorld().isDaytime()){
+                            coverState=2;
+                        }else{
+                            return coverNum<<2;
+                        }
+                    }
+                }else{//not rains
+                    if(aTileEntity.getWorld().isDaytime()){
+                        coverState=1;
+                    }else{
+                        coverState=2;
+                    }
+                }
             }
         }
-        if ((aCoverVariable == 1) || ((aCoverVariable == 2) && (aTimer % 8L == 0L))) {
-            aTileEntity.injectEnergyUnits((byte) 6, this.mVoltage, 1L);
-        }
-        return aCoverVariable;
+        if (coverState == 1 || (coverState == 2 && aTimer % 8L == 0L))
+            aTileEntity.injectEnergyUnits((byte) 6, ((100L-(long)coverNum)*((long)this.mVoltage))/100L, 1L);
+        if(aTimer % 28800L == 0L && coverNum<100 && (coverNum>10 || (new XSTR()).nextInt(3)==2))
+            coverNum++;
+        return coverState+(coverNum<<2);
     }
 
+    @Override
+    public boolean onCoverRightclick(byte aSide, int aCoverID, int aCoverVariable, ICoverable aTileEntity, EntityPlayer aPlayer, float aX, float aY, float aZ) {
+        if(aPlayer.capabilities.isCreativeMode){
+            GT_Utility.sendChatToPlayer(aPlayer,"Cleaned solar panel from "+(aCoverVariable>>2)+"% dirt");
+            aTileEntity.setCoverDataAtSide(aSide, (aCoverVariable & 0x3));
+            return true;
+        }
+        for(int i=0;i<aPlayer.inventory.mainInventory.length;i++){
+            ItemStack is=aPlayer.inventory.mainInventory[i];
+            if(is==null) continue;
+            if(is.getUnlocalizedName().equals(new ItemStack(Items.water_bucket).getUnlocalizedName())){
+                aPlayer.inventory.mainInventory[i]=new ItemStack(Items.bucket);
+                if (aPlayer.inventoryContainer != null) aPlayer.inventoryContainer.detectAndSendChanges();
+                GT_Utility.sendChatToPlayer(aPlayer,"Cleaned solar panel from "+(aCoverVariable>>2)+"% dirt");
+                aTileEntity.setCoverDataAtSide(aSide, (aCoverVariable & 0x3));
+                return true;
+            }
+        }
+        GT_Utility.sendChatToPlayer(aPlayer,"You need water bucket in inventory to clean the panel with hand.");
+        return false;
+    }
+
+
+
     public int getTickRate(byte aSide, int aCoverID, int aCoverVariable, ICoverable aTileEntity) {
         return 1;
     }
+
 }
\ No newline at end of file
diff --git a/src/main/java/gregtech/common/items/GT_MetaGenerated_Item_01.java b/src/main/java/gregtech/common/items/GT_MetaGenerated_Item_01.java
index 4f2da63b..f5969e1d 100644
--- a/src/main/java/gregtech/common/items/GT_MetaGenerated_Item_01.java
+++ b/src/main/java/gregtech/common/items/GT_MetaGenerated_Item_01.java
@@ -747,16 +747,16 @@ public class GT_MetaGenerated_Item_01 extends GT_MetaGenerated_Item_X32 {
         GregTech_API.registerCover(ItemList.Cover_Drain.get(1L, new Object[0]), new GT_MultiTexture(new ITexture[]{Textures.BlockIcons.MACHINE_CASINGS[0][0], new GT_RenderedTexture(Textures.BlockIcons.OVERLAY_DRAIN)}), new GT_Cover_Drain());
         GregTech_API.registerCover(ItemList.Cover_Shutter.get(1L, new Object[0]), new GT_MultiTexture(new ITexture[]{Textures.BlockIcons.MACHINE_CASINGS[1][0], new GT_RenderedTexture(Textures.BlockIcons.OVERLAY_SHUTTER)}), new GT_Cover_Shutter());
 
-        ItemList.Cover_SolarPanel.set(addItem(tLastID = 750, "Solar Panel", "May the Sun be with you", new Object[]{new TC_Aspects.TC_AspectStack(TC_Aspects.ELECTRUM, 1L), new TC_Aspects.TC_AspectStack(TC_Aspects.POTENTIA, 1L), new TC_Aspects.TC_AspectStack(TC_Aspects.TENEBRAE, 1L)}));
-        ItemList.Cover_SolarPanel_8V.set(addItem(tLastID = 751, "Solar Panel (8V)", "8 Volt Solar Panel", new Object[]{new TC_Aspects.TC_AspectStack(TC_Aspects.ELECTRUM, 2L), new TC_Aspects.TC_AspectStack(TC_Aspects.POTENTIA, 2L), new TC_Aspects.TC_AspectStack(TC_Aspects.TENEBRAE, 2L)}));
-        ItemList.Cover_SolarPanel_LV.set(addItem(tLastID = 752, "Solar Panel (LV)", "Low Voltage Solar Panel", new Object[]{new TC_Aspects.TC_AspectStack(TC_Aspects.ELECTRUM, 4L), new TC_Aspects.TC_AspectStack(TC_Aspects.POTENTIA, 4L), new TC_Aspects.TC_AspectStack(TC_Aspects.TENEBRAE, 4L)}));
-        ItemList.Cover_SolarPanel_MV.set(addItem(tLastID = 753, "Solar Panel (MV)", "Medium Voltage Solar Panel", new Object[]{new TC_Aspects.TC_AspectStack(TC_Aspects.ELECTRUM, 8L), new TC_Aspects.TC_AspectStack(TC_Aspects.POTENTIA, 8L), new TC_Aspects.TC_AspectStack(TC_Aspects.TENEBRAE, 8L)}));
-        ItemList.Cover_SolarPanel_HV.set(addItem(tLastID = 754, "Solar Panel (HV)", "High Voltage Solar Panel", new Object[]{new TC_Aspects.TC_AspectStack(TC_Aspects.ELECTRUM, 16L), new TC_Aspects.TC_AspectStack(TC_Aspects.POTENTIA, 16L), new TC_Aspects.TC_AspectStack(TC_Aspects.TENEBRAE, 16L)}));
-        ItemList.Cover_SolarPanel_EV.set(addItem(tLastID = 755, "Solar Panel (EV)", "Extreme Solar Panel", new Object[]{new TC_Aspects.TC_AspectStack(TC_Aspects.ELECTRUM, 32L), new TC_Aspects.TC_AspectStack(TC_Aspects.POTENTIA, 32L), new TC_Aspects.TC_AspectStack(TC_Aspects.TENEBRAE, 32L)}));
-        ItemList.Cover_SolarPanel_IV.set(addItem(tLastID = 756, "Solar Panel (IV)", "Insane Solar Panel", new Object[]{new TC_Aspects.TC_AspectStack(TC_Aspects.ELECTRUM, 64L), new TC_Aspects.TC_AspectStack(TC_Aspects.POTENTIA, 64L), new TC_Aspects.TC_AspectStack(TC_Aspects.TENEBRAE, 64L)}));
-        ItemList.Cover_SolarPanel_LuV.set(addItem(tLastID = 757, "Solar Panel (LuV)", "Ludicrous Solar Panel", new Object[]{new TC_Aspects.TC_AspectStack(TC_Aspects.ELECTRUM, 64L), new TC_Aspects.TC_AspectStack(TC_Aspects.POTENTIA, 64L), new TC_Aspects.TC_AspectStack(TC_Aspects.TENEBRAE, 64L)}));
-        ItemList.Cover_SolarPanel_ZPM.set(addItem(tLastID = 758, "Solar Panel (ZPM)", "ZPM Voltage Solar Panel", new Object[]{new TC_Aspects.TC_AspectStack(TC_Aspects.ELECTRUM, 64L), new TC_Aspects.TC_AspectStack(TC_Aspects.POTENTIA, 64L), new TC_Aspects.TC_AspectStack(TC_Aspects.TENEBRAE, 64L)}));
-        ItemList.Cover_SolarPanel_UV.set(addItem(tLastID = 759, "Solar Panel (UV)", "Ultimate Solar Panel", new Object[]{new TC_Aspects.TC_AspectStack(TC_Aspects.ELECTRUM, 64L), new TC_Aspects.TC_AspectStack(TC_Aspects.POTENTIA, 64L), new TC_Aspects.TC_AspectStack(TC_Aspects.TENEBRAE, 64L)}));
+        ItemList.Cover_SolarPanel.set(addItem(tLastID = 750, "Solar Panel", "May the Sun be with you (Needs cleaning with right click)", new Object[]{new TC_Aspects.TC_AspectStack(TC_Aspects.ELECTRUM, 1L), new TC_Aspects.TC_AspectStack(TC_Aspects.POTENTIA, 1L), new TC_Aspects.TC_AspectStack(TC_Aspects.TENEBRAE, 1L)}));
+        ItemList.Cover_SolarPanel_8V.set(addItem(tLastID = 751, "Solar Panel (8V)", "8 Volt Solar Panel (Needs cleaning with right click)", new Object[]{new TC_Aspects.TC_AspectStack(TC_Aspects.ELECTRUM, 2L), new TC_Aspects.TC_AspectStack(TC_Aspects.POTENTIA, 2L), new TC_Aspects.TC_AspectStack(TC_Aspects.TENEBRAE, 2L)}));
+        ItemList.Cover_SolarPanel_LV.set(addItem(tLastID = 752, "Solar Panel (LV)", "Low Voltage Solar Panel (Needs cleaning with right click)", new Object[]{new TC_Aspects.TC_AspectStack(TC_Aspects.ELECTRUM, 4L), new TC_Aspects.TC_AspectStack(TC_Aspects.POTENTIA, 4L), new TC_Aspects.TC_AspectStack(TC_Aspects.TENEBRAE, 4L)}));
+        ItemList.Cover_SolarPanel_MV.set(addItem(tLastID = 753, "Solar Panel (MV)", "Medium Voltage Solar Panel (Needs cleaning with right click)", new Object[]{new TC_Aspects.TC_AspectStack(TC_Aspects.ELECTRUM, 8L), new TC_Aspects.TC_AspectStack(TC_Aspects.POTENTIA, 8L), new TC_Aspects.TC_AspectStack(TC_Aspects.TENEBRAE, 8L)}));
+        ItemList.Cover_SolarPanel_HV.set(addItem(tLastID = 754, "Solar Panel (HV)", "High Voltage Solar Panel (Needs cleaning with right click)", new Object[]{new TC_Aspects.TC_AspectStack(TC_Aspects.ELECTRUM, 16L), new TC_Aspects.TC_AspectStack(TC_Aspects.POTENTIA, 16L), new TC_Aspects.TC_AspectStack(TC_Aspects.TENEBRAE, 16L)}));
+        ItemList.Cover_SolarPanel_EV.set(addItem(tLastID = 755, "Solar Panel (EV)", "Extreme Solar Panel (Needs cleaning with right click)", new Object[]{new TC_Aspects.TC_AspectStack(TC_Aspects.ELECTRUM, 32L), new TC_Aspects.TC_AspectStack(TC_Aspects.POTENTIA, 32L), new TC_Aspects.TC_AspectStack(TC_Aspects.TENEBRAE, 32L)}));
+        ItemList.Cover_SolarPanel_IV.set(addItem(tLastID = 756, "Solar Panel (IV)", "Insane Solar Panel (Needs cleaning with right click)", new Object[]{new TC_Aspects.TC_AspectStack(TC_Aspects.ELECTRUM, 64L), new TC_Aspects.TC_AspectStack(TC_Aspects.POTENTIA, 64L), new TC_Aspects.TC_AspectStack(TC_Aspects.TENEBRAE, 64L)}));
+        ItemList.Cover_SolarPanel_LuV.set(addItem(tLastID = 757, "Solar Panel (LuV)", "Ludicrous Solar Panel (Needs cleaning with right click)", new Object[]{new TC_Aspects.TC_AspectStack(TC_Aspects.ELECTRUM, 64L), new TC_Aspects.TC_AspectStack(TC_Aspects.POTENTIA, 64L), new TC_Aspects.TC_AspectStack(TC_Aspects.TENEBRAE, 64L)}));
+        ItemList.Cover_SolarPanel_ZPM.set(addItem(tLastID = 758, "Solar Panel (ZPM)", "ZPM Voltage Solar Panel (Needs cleaning with right click)", new Object[]{new TC_Aspects.TC_AspectStack(TC_Aspects.ELECTRUM, 64L), new TC_Aspects.TC_AspectStack(TC_Aspects.POTENTIA, 64L), new TC_Aspects.TC_AspectStack(TC_Aspects.TENEBRAE, 64L)}));
+        ItemList.Cover_SolarPanel_UV.set(addItem(tLastID = 759, "Solar Panel (UV)", "Ultimate Solar Panel (Needs cleaning with right click)", new Object[]{new TC_Aspects.TC_AspectStack(TC_Aspects.ELECTRUM, 64L), new TC_Aspects.TC_AspectStack(TC_Aspects.POTENTIA, 64L), new TC_Aspects.TC_AspectStack(TC_Aspects.TENEBRAE, 64L)}));
 
         GregTech_API.registerCover(ItemList.Cover_SolarPanel.get(1L, new Object[0]), new GT_RenderedTexture(Textures.BlockIcons.SOLARPANEL), new GT_Cover_SolarPanel(1));
         GregTech_API.registerCover(ItemList.Cover_SolarPanel_8V.get(1L, new Object[0]), new GT_RenderedTexture(Textures.BlockIcons.SOLARPANEL_8V), new GT_Cover_SolarPanel(8));