SEARCH Articles Figures Tables Efficiencies of case-1 and cases 9-11 in winter Efficiencies of cases 5-8 in winter for scenario Efficiencies of cases 5-8 in winter for scenario II Efficiencies of cases 5-8 in winter for scenario III Efficiencies of cases 5-8 in winter for scenario IV Efficiencies of cases 8 and 12 in winter Winterization Winterizing