PRAGUE (Reuters) – Most of Czech steel maker Liberty Ostrava’s 6,000 workers will remain at home for at least a week longer than previously planned with production idled amid a dispute with its on-site energy supplier. Liberty had intended to restart operations, which were halted last month, on Tuesday but workers will stay at home until at least Jan. 15, a Liberty spokesperson said on Monday. Energy supplier TAMEH Czech halted supplies of electricity, heat and industrial gases to Liberty on Dec. 21 and declared insolvency, claiming non-payment from Liberty. “In line with our restructuring pla…