Interconexión Eléctrica (ISA) Q3 2025 earnings summary

Executive summary

• Commissioned the Cuestecitas-Copey-Fundación 500kV line in Colombia and enabled multiple solar farms, advancing energy transition and renewable integration.

• Achieved solid operational performance in 9M25, with accumulated investments reaching COP 4.4 trillion by September 2025, up 38% year-over-year.

• Recognized for sustainability leadership, winning CIER 2025 Innovation Awards and being listed among Forbes' top 50 sustainable companies in Colombia.

• Established a nursery for native species in Páramo de Chingaza, supporting COP16 commitments.

Financial highlights

• EBITDA for 9M25 was COP 6.6 trillion, down 13% YoY due to special events; excluding these, EBITDA grew 13% to COP 7.4 trillion.

• Net profit for 9M25 was COP 1.85 trillion, down 17% YoY; adjusted net profit would have increased 7% to COP 2.1 trillion.

• Consolidated CapEx reached COP 4.4 trillion in 9M25, up 38% YoY.

• Assets totaled COP 77.7 trillion, equity at COP 17.8 trillion, and liabilities down 0.5% from December 2024.

• Gross debt/EBITDA ratio at 4.1x; FFO/Net debt at 24.2%.

Outlook and guidance

• Investments planned through 2030 total COP 31.1 trillion, with expected additional annual revenue of COP 1.8 trillion and 5,153 km of transmission lines and 296 km of roads.

• Anticipates regulatory approval for consolidating energy transmission in Colombia under Intercolombia by January 2026.

• Continued focus on energy storage, regional interconnection, and increased investment rate, especially in Colombia and Brazil.