function checkEn()
   local tempEnergy = 0
   energyStored = p.getEnergyStored("unknown")
   energyMax = p.getMaxEnergyStored("unknown")
   energyStoredPercent = math.floor((energyStored/energyMax)*100)
   RFProduction = r.getEnergyProducedLastTick()
   fuelUse = r.getFuelConsumedLastTick()
   fuelUse = math.floor(fuelUse*100)
   fuelUse = fuelUse/100
   coreTemp = r.getFuelTemperature()
   reactorOnline = r.getActive()
   tempEnergy = p.getEnergyStored("unknown")
   sleep(0.1)
   energy = (p.getEnergyStored("unknown")-tempEnergy)/2
end