What caused the shutdown of Brazil's largest thermal power plant, GNA II?

The shutdown of GNA II was caused by a failure in the steam turbine circuit breaker, which affected the unit's step-up transformer, leading to an interruption of operations since August 10.

What is the installed capacity and location of the GNA II power plant?

GNA II is a gas-fired power plant with 1.7 gigawatts of installed capacity, located in the Acu port in Rio de Janeiro, Brazil.

Brazil's Largest Thermal Power Plant Shut Down After Equipment Failure

Aug 19, 2026

Brazil's largest thermal power plant, GNA II, halted operations on August 10 following a steam turbine circuit breaker failure. The 1.7-gigawatt facility, owned by a BP-Siemens-SPIC joint venture, reported no environmental impacts while assessing restoration plans.

reuters

2026-08-19

Brazil's Largest Thermal Power Plant Shut Down After Equipment Failure

Brazil's Largest Thermal Power Plant Shut Down After Equipment Failure

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