Located in São João da Barra (RJ), GNA II will start commercial operation in january 2025.

As well as TPP GNA I, TPP GNA II will also be composed of 3 gas turbines and 1 steam turbine, all provided by Siemens. With 1.6 GW installed capacity, GNA II will also operate in combined cycle.

The TPPGNA II substation will be connected to SIN through a 500 kV transmission line, in 160 km approximately.

Learn more about other projects GNA thermoelectric complex:



1.672 MW

of installed capacity


start of commercial operation

25 years


6,5 MM m3/day

of Gas Consumption


Inflexibility Level