Construction and installation of 1 (one) substation with transformation ratio of 115/13.8 kV, with a capacity of 30 MVA and 1.8 MVAr of compensation and 2 (two) feeders in high voltage, 6 (six) feeders in medium voltage and 1 (one) transmission line with voltage of 115 kV and a total length of 0.5 km-c, located in the state of Tamaulipas. Includes activites of engineering, supply, construction and tests.