The Centre for Energy Research & Development (CERAD) UET Lahore organized the 4th IEEE International Conference on Energy Conservation and Efficiency (ICECE) 2021 virtually in collaboration with IEEE Power & Energy Society (PES), IEEE Industry Application Society (IAS) Lahore Chapter, IEEE Lahore Section, and Punjab Energy Efficiency and Conservation Agency (PEECA). The inaugural session of the conference was addressed by Provincial Minister for Energy Akhtar Malik, Chairman Prime Minister’s Task Force Dr. Ata-ur-Rehman, Chairman Punjab Higher Education Commission (PHEC) Prof. Dr. Fazal Ahmad Khalid, and Vice Chancellor UET Lahore Prof. Dr. Syed Mansoor Sarwar. MD PEECA Adnan Mudassir and Director CERAD Dr. Waqar Mahmood.