Punjab Chief Minister Shahbaz Sharif on Tuesday telephoned Prime Minister Yousaf Raza Gilani and expressed concern over excessive load shedding in Punjab. He also demanded the prime minister implement the recommendations of the Energy Conference held in Lahore recently. Shahbaz expressed his concern that the people of Punjab had been facing acute difficulties due to prolonged and unscheduled power outages, adding that the entire industry had collapsed and the businessmen community was facing losses of millions of rupees.