Transmission
Energy experts warn that Colombia faces a real risk of electrical imbalance due to rising consumption and delays in generation projects. The system shows alert signs after 30 years without blackouts. Diversifying sources and improving transmission are urged to avoid rationing in 2026 and 2027.
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Isa, through its subsidiary Intercolombia, has put into operation the fourth 500/230 kV transformer at the Sogamoso substation in Betulia, Santander. This project, awarded in the UPME 02 call of 2023, strengthens the reliability of the National Transmission System. The expansion enhances resilience to growing energy demand and optimizes generation capacity from several hydroelectric plants.