We sincerely congratulate Dr. Mehdi Ehsan, Dr. Zeinab Ghafourani Jahromi, and Mr. Hossein Saber on the publication of their book “Power Systems Planning,” published by the Scientific Publishing Institute of Sharif University of Technology, first edition: 2021, in collaboration with the Scientific Pole of Power Network Management and Control. We extend our heartfelt congratulations to them and all our colleagues in the faculty, and we wish them continued success and prosperity from the Almighty God.