▁ 2 0 0   km ▁n ortheast ▁of ▁I po h . ▁ ▁Const ruction ▁of ▁the ▁dam ▁imp ounded ▁Tem eng gor ▁Lake . ▁ ▁Power ▁station ▁The ▁power ▁station ▁is ▁a ▁hydro elect ric ▁power ▁station , ▁using ▁ 4 ▁Hit achi ▁tur b ines ▁of ▁ 8 7 ▁M W ▁installed ▁capacity ▁and ▁the ▁average ▁annual ▁energy ▁generation ▁ 9 0 0 ▁million ▁units . ▁The ▁station ▁is ▁operated ▁by ▁Ten aga ▁Nas ional . ▁Since ▁ 1 9 8 7 ▁Tem eng gor ▁has ▁been ▁un mann ed ▁and ▁is ▁rem ot ely ▁operated ▁via ▁a ▁SC AD A ▁system ▁at ▁the ▁B ers ia ▁Group ▁Control ▁Centre . ▁In ▁the ▁late ▁ 1 9 9 0 s , ▁facilities ▁were ▁added ▁to ▁enable ▁Autom atic ▁generation ▁control ▁by ▁T NB ' s ▁National ▁Load ▁Des patch ▁Centre ▁in ▁K ual a ▁L ump ur . ▁ ▁Over view ▁Const ruction ▁started ▁in ▁January ▁ 1 9 7 4 ▁and ▁completed ▁in ▁mid - 1 9 7 8 . ▁The ▁first ▁unit ▁commission ed ▁on ▁ 1 ▁October ▁ 1 9 7 7 . ▁ ▁Techn ical ▁specific ations ▁ ▁The ▁permanent ▁dam ▁components ▁are ▁as ▁follows : ▁ ▁Main ▁Dam ▁ ▁Max imum ▁height ▁above ▁foundation ▁of ▁, ▁and ▁cr est ▁length ▁of ▁, ▁volume ▁of ▁fill ▁is ▁ 7 . 0 9 ▁million ▁cub ic ▁metres . ▁ ▁C rest ▁elev ation ▁is ▁ ▁above ▁sea ▁level ▁( AS L ), ▁Full ▁Supp ly ▁Level ▁(