The Antonio Guiteras Thermoelectric Plant in Matanzas was briefly disconnected from Cuba’s National Electric System on Sunday, despite an earlier synchronization. According to engineer Rubén Campos Olmos, the plant achieved an initial power output of 32 MW at 11:20 a.m. but halted operations to address a technical issue at the fuel preparation station.
The adjustment process, expected to take three hours, is part of efforts to stabilize the plant’s performance. Journalist José Miguel Solís reported that the successful repairs to the boiler, which allowed the plant to reach 32 MW, raised hopes for smooth synchronization in the future.
Solís shared the update after 5:00 p.m., clarifying that the information was current as of 4:25 p.m. He also described the earlier steps in the synchronization process, which involved stabilizing boiler pressure at 100 atmospheres and delivering high-quality steam to the turbine to reach 3,600 revolutions per minute.
Complex Synchronization Process
Once stable, the unit would synchronize with the National Electric System—a process requiring precise energy output and consumption balance, maintained at a frequency of 60 cycles per second. Solís compared the intricate operation to a delicate dance, far removed from the simplicity of a home generator. The procedure demands not only self-sustaining energy production but also gradual load increases coordinated with the National Load Dispatch.
Solís highlighted the human effort involved, noting technicians working through exhausting shifts, some exceeding 48 hours. Temporary offices became makeshift spaces for rest, grooming, and coffee breaks. Meanwhile, the start-up crew and BTG (Boiler, Turbine, Generator) specialists monitored each step of the precision-driven process.
Barring complications, including the notorious “Murphy’s Law,” Solís indicated the plant was expected to resume operations by midday. He described the moment of success as one of silence breaking into applause and the spirited Cuban phrase: “Nobody gives up here, damn it.”
Optimism Amid Challenges
The plant had been slated to restart on Saturday following a 96-hour maintenance period that began the previous Tuesday. While repair work faced delays, Campos Olmos confirmed that the team was intensifying efforts to bring the plant online, underscoring its critical role as Cuba’s largest energy generator.
Earlier this month, Guiteras faced significant setbacks, including a gas leak that restricted its output to 175 MW. These issues necessitated the plant’s disconnection to perform essential boiler repairs, according to the National Electric Union.
Despite the challenges, optimism persists that Guiteras will return to stable operations, ensuring its vital contribution to Cuba’s energy grid.
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