diff --git a/src/main/resources/mappers/pwrGnrSimulation/pwrGnrSimMapper.xml b/src/main/resources/mappers/pwrGnrSimulation/pwrGnrSimMapper.xml
index cf7be68f..af2e597e 100644
--- a/src/main/resources/mappers/pwrGnrSimulation/pwrGnrSimMapper.xml
+++ b/src/main/resources/mappers/pwrGnrSimulation/pwrGnrSimMapper.xml
@@ -53,12 +53,12 @@
         /* sqlid : com.interplug.qcast.api.pwrGnrSimulation.selectRoofPcsGroupList (견적서 지붕재 pcs 그룹 list 조회)  */
         SELECT
             B.ITEM_ID
-             , B.ITEM_NO
-             , B.AMOUNT
+             , C.ITEM_NO
+             , 1 AS AMOUNT
              , D.CNV_EFF
              , D.AMP
-             , B.SPECIFICATION
-        FROM  T_PART_ESTIMATE B WITH (NOLOCK)
+             , C.PNOW_W AS SPECIFICATION
+        FROM T_PART_CIRCUIT_ITEM_ESTIMATE B WITH (NOLOCK)
         INNER JOIN M_ITEM C WITH (NOLOCK)
             ON B.ITEM_ID = C.ITEM_ID
         LEFT OUTER JOIN M_ITEM_INFO D WITH (NOLOCK)
@@ -66,7 +66,7 @@
         WHERE C.POWER_COM_FLG ='1' /* PCS만 */
           AND B.OBJECT_NO = #{objectNo}
           AND B.PLAN_NO = #{planNo}
-        ORDER BY B.SPECIFICATION
+        ORDER BY C.PNOW_W
         /* TODO :: 직렬,병렬 조건 추가필요 */
     </select>