diff --git a/src/components/simulator/Simulator.jsx b/src/components/simulator/Simulator.jsx
index 3abb6969..306b5365 100644
--- a/src/components/simulator/Simulator.jsx
+++ b/src/components/simulator/Simulator.jsx
@@ -18,7 +18,12 @@ import { convertNumberToPriceDecimal } from '@/util/common-utils'
 import { usePlan } from '@/hooks/usePlan'
 import { usePopup, closeAll } from '@/hooks/usePopup'
 
+import { QcastContext } from '@/app/QcastProvider'
+
 export default function Simulator() {
+  // global 로딩바
+  const { setIsGlobalLoading } = useContext(QcastContext)
+
   const { floorPlanState } = useContext(FloorPlanContext)
   const { objectNo, pid } = floorPlanState
   const { selectedPlan } = usePlan()
@@ -136,9 +141,12 @@ export default function Simulator() {
   const [hatsudenryouPeakcutAllSnow, setHatsudenryouPeakcutAllSnow] = useState([])
 
   const fetchObjectDetail = async (objectNo, currentPid) => {
+    setIsGlobalLoading(true)
+
     const apiUrl = `/api/pwrGnrSimulation/calculations?objectNo=${objectNo}&planNo=${currentPid}`
 
     const resultData = await get({ url: apiUrl })
+
     if (resultData) {
       setObjectDetail(resultData)
       if (resultData.hatsudenryouAll) {
@@ -161,12 +169,14 @@ export default function Simulator() {
         setModuleInfoList(resultData.roofModuleList)
       }
     }
+    setIsGlobalLoading(false)
   }
 
   // 시뮬레이션 안내사항 조회
   const [content, setContent] = useState('')
 
   const fetchSimulatorNotice = async () => {
+    setIsGlobalLoading(true)
     get({ url: '/api/pwrGnrSimulation/guideInfo' }).then((res) => {
       if (res.data) {
         setContent(res.data.replaceAll('\n', '<br/>'))
@@ -174,6 +184,7 @@ export default function Simulator() {
         setContent(getMessage('common.message.no.data'))
       }
     })
+    setIsGlobalLoading(false)
   }
 
   // 차트 데이터 변경 시, list type 셋팅