Nowadays in conjunction with the tremendous demand for electricity which is the backbone of the new civilization. Humanity searches for renewable and sustainable resources of electric energy and invests a lot of money to find modern solutions. Thus, one of the innovative technologies in the new era is the power pumped-storage hydroelectric plants underground. in addition to that the superb latest technologies not only generate electricity from these hydropower plants but restore the excess energy that already exists on the grid. So, these hydropower plants act as large batteries. Also, these plants have less cost, less environmental harm, no greenhouse gases emission, and their life cycle has around 40-50 years.