diff --git a/src/hooks/useCirCuitTrestle.js b/src/hooks/useCirCuitTrestle.js
index 408c552f..a0b77644 100644
--- a/src/hooks/useCirCuitTrestle.js
+++ b/src/hooks/useCirCuitTrestle.js
@@ -15,6 +15,7 @@ import { useContext } from 'react'
 import { useRecoilState, useRecoilValue, useSetRecoilState } from 'recoil'
 import { useMessage } from './useMessage'
 import { useCanvasPopupStatusController } from './common/useCanvasPopupStatusController'
+import Big from 'big.js'
 
 export function useCircuitTrestle() {
   const [makers, setMakers] = useRecoilState(makersState)
@@ -207,7 +208,7 @@ export function useCircuitTrestle() {
       surface.modules.forEach((module) => {
         if (!surfaceObjects[surface.id][module.moduleInfo.itemId]) {
           // 지붕면에 모듈 존재 여부
-          surfaceObjects[surface.id][module.moduleInfo.itemId] = 0 // 모듈 초기화
+          surfaceObjects[surface.id][module.moduleInfo.itemId] = new Big(0) // 모듈 초기화
         }
 
         surfaceObjects[surface.id][module.moduleInfo.itemId]++
@@ -224,10 +225,18 @@ export function useCircuitTrestle() {
           if (!surfaceObjects[surface.id].circuits[module.circuitNumber].circuits[module.moduleInfo.itemId]) {
             surfaceObjects[surface.id].circuits[module.circuitNumber].circuits[module.moduleInfo.itemId] = 0
           }
-          surfaceObjects[surface.id].circuits[module.circuitNumber].circuits[module.moduleInfo.itemId]++
-          surfaceObjects[surface.id].circuits[module.circuitNumber].circuits.wpOut += +module.moduleInfo.wpOut
-          surfaceObjects[surface.id].wpOut -= +module.moduleInfo.wpOut
-          surfaceObjects[surface.id][module.moduleInfo.itemId]--
+          surfaceObjects[surface.id].circuits[module.circuitNumber].circuits[module.moduleInfo.itemId] = Big(
+            surfaceObjects[surface.id].circuits[module.circuitNumber].circuits[module.moduleInfo.itemId],
+          )
+            .plus(1)
+            .toNumber()
+          surfaceObjects[surface.id].circuits[module.circuitNumber].circuits.wpOut = Big(
+            surfaceObjects[surface.id].circuits[module.circuitNumber].circuits.wpOut,
+          )
+            .plus(+module.moduleInfo.wpOut)
+            .toNumber()
+          surfaceObjects[surface.id].wpOut = Big(surfaceObjects[surface.id].wpOut).minus(+module.moduleInfo.wpOut).toNumber()
+          surfaceObjects[surface.id][module.moduleInfo.itemId] = Big(surfaceObjects[surface.id][module.moduleInfo.itemId]).minus(1).toNumber()
         }
       })
     })
@@ -236,7 +245,7 @@ export function useCircuitTrestle() {
       let tempRow = {
         name: surfaceObjects[key].roofSurface,
         circuit: surfaceObjects[key].circuit,
-        wpOut: parseFloat(surfaceObjects[key].wpOut / 1000),
+        wpOut: parseFloat(Big(surfaceObjects[key].wpOut).div(1000).toNumber()),
       }
       selectedModules.itemList.forEach((module) => {
         tempRow[module.itemId] = surfaceObjects[key][module.itemId]
@@ -247,7 +256,7 @@ export function useCircuitTrestle() {
         let row = {
           name: surfaceObjects[key].roofSurface,
           circuit: surfaceObjects[key].circuits[circuit].circuit,
-          wpOut: parseFloat(surfaceObjects[key].circuits[circuit].circuits.wpOut / 1000),
+          wpOut: parseFloat(Big(surfaceObjects[key].circuits[circuit].circuits.wpOut).div(1000).toNumber()),
         }
         selectedModules.itemList.forEach((module) => {
           row[module.itemId] = surfaceObjects[key].circuits[circuit].circuits[module.itemId]
@@ -255,14 +264,24 @@ export function useCircuitTrestle() {
         tempRows.push(row)
       })
     })
+    let ftWpOut = 0
+    tempRows.forEach((row) => {
+      ftWpOut = Big(ftWpOut).plus(+row.wpOut).toNumber()
+    })
 
     const tempFooter = {
       name: getMessage('modal.panel.batch.statistic.total'),
       circuit: '-',
-      wpOut: tempRows.reduce((acc, row) => acc + row.wpOut, 0),
+      wpOut: ftWpOut,
     }
     selectedModules.itemList.forEach((module) => {
-      tempFooter[module.itemId] = tempRows.reduce((acc, row) => acc + (row[module.itemId] ? row[module.itemId] : 0), 0)
+      let wpOut = 0
+      tempRows.forEach((row) => {
+        wpOut = Big(wpOut)
+          .plus(+row[module.itemId] ?? 0)
+          .toNumber()
+      })
+      tempFooter[module.itemId] = wpOut
     })
     canvas.getObjects().filter((obj) => obj.name === POLYGON_TYPE.MODULE_SETUP_SURFACE)
     setModuleStatistics({ header: tempHeader, rows: tempRows.filter((row) => row.wpOut !== 0), footer: tempFooter })