The development was backed by the Turkish State Hydraulic Works.

The entire development is backed by the Tehachapi mountains.

Constructed between 1967 and 1972, the development was backed by the Turkish State Hydraulic Works.

Constructed between 1996 and 2007, the development was backed by the Turkish State Hydraulic Works.

Constructed between 1982 and 1997, the development was backed by the Turkish State Hydraulic Works.

Constructed between 1992 and 2000, the development was backed by the Turkish State Hydraulic Works.

Constructed between 1954 and 1960, the development was backed by the Turkish State Hydraulic Works.

Constructed between 1969 and 1988, the development was backed by the Turkish State Hydraulic Works.

The development of these three pillars is backed by two other core activities, namely:

Constructed between 1994 and 2009, the development was backed by the Turkish State Hydraulic Works.