The partial acceptance of Unit No. 2 of 201.8 MWm/199.4 MWe capacity at Upper Kaleköy HEPP was realized on 6 June 2018.

Along with the previously commissioned units, the total installed capacity for which acceptance has been made has reached 432.6 MWm / 427.45 MWe. It is planned that the acceptance of Unit No. 3, which is the last unit to be commissioned, will soon be realized and Upper Kaleköy Dam and HEPP will begin energy generation at full capacity.