Add omitted MIS_D_MS to historical load regions
@@ -979,7 +979,7 @@ historical_load_region_maps:
RFCET: [PJM_WMAC, PJM_EMAC, PJM_SMAC, PJM_PENE, PJM_Dom]
RFCMI: [MIS_LMI]
RFCWT: [PJM_West, PJM_AP, PJM_ATSI, PJM_COMD]
- SERCDLT: [MIS_WOTA, MIS_LA, MIS_AMSO, MIS_AR]
+ SERCDLT: [MIS_WOTA, MIS_LA, MIS_AMSO, MIS_AR, MIS_D_MS]
SERCGW: [MIS_MO, S_D_AECI, MIS_IL, MIS_INKY]
SERCSOES: [S_SOU]
SERCCNT: [S_C_TVA, S_C_KY]
