Piedra Buena Thermal Power Plant (‘CPB’)

CPB, located in the port of Ingeniero White, close to the City of Bahía Blanca, Province of Buenos Aires, consists of 2 steam turbines with a 310 MW capacity each, totaling 620 MW, equivalent to 1.4% of Argentina’s power capacity. The boilers can be fed with fuel oil or gas, being the last one supplied through a proprietary 22 km gas pipeline operated and maintained by CPB and connecting with TGS (‘Transportadora de Gas del Sur’)’s main gas pipeline system. Furthermore, CPB has two 60,000 m3 tanks for the fuel oil storage. From 1997 to 2023, its average annual generation was 1,845 GWh, with a generation record high of 3,434 GWh in 2011 and a record low of 189 GWh in 2002.


The following chart shows certain relevant statistical data on CPB:

2022 2023
Net Generation (GWh) 1,209 606
Purchases of Energy (GWh)
Total Energy Sales (GWh) 1,209 606
Average Price (US$/MWh) 33 49
Average Gross Profit (US$/MWh) 11 6

Note: Gross Margin before depreciation and amortization.


Technical Data

Plant Unit Installed Capacity (MW) Efficiency Fuel Start-Up Type of Unit
CPB BBLATV29 310 620 35% Natural gas or fuel oil 1989 Turbine / Steam boiler
BBLATV30 310 1991