Company Overview

Interconexión Eléctrica S.A. E.S.P. (ISA) is a Colombian-based multinational company primarily engaged in the energy transmission and infrastructure sectors. The company operates electric power transmission networks, road concessions, telecommunications infrastructure, and real-time systems management, positioning itself as a key enabler of regional connectivity and sustainable development. Its core business historically centers on high-voltage electricity transmission, which remains its principal revenue driver, complemented by regulated infrastructure assets that provide long-term, stable cash flows.

Founded in 1967 as a state-owned entity to integrate Colombia’s national electricity grid, ISA has evolved into one of Latin America’s largest infrastructure groups through organic growth and international expansion. Over time, the company diversified beyond power transmission into transportation infrastructure and telecommunications, leveraging its expertise in managing large-scale, regulated assets. ISA is majority-owned by Ecopetrol S.A., following a strategic transaction completed in 2021, which integrated ISA into Colombia’s broader state-controlled energy ecosystem while maintaining its operational independence.

Business Operations

ISA’s operations are organized around several core business segments, with Electric Power Transmission as the primary segment, encompassing the design, construction, operation, and maintenance of high-voltage transmission lines and substations. This segment generates the majority of revenue through long-term regulated contracts across multiple Latin American countries. Additional segments include Road Concessions, focused on toll road development and operation, and Telecommunications, which provides fiber-optic networks and data connectivity services, largely supporting utilities and institutional clients.

The company operates through a network of controlled subsidiaries and affiliates, including ISA Transelca, ISA Interchile, ISA REP, ISA Transmantaro, and ISA CTEEP, among others. These entities manage domestic and international assets and allow ISA to adapt to local regulatory frameworks. Revenue is predominantly derived from regulated tariffs, concession agreements, and availability-based payments, reducing exposure to commodity price volatility.

Strategic Position & Investments

ISA’s strategic direction emphasizes disciplined expansion in regulated infrastructure, operational efficiency, and sustainability-driven investments. Growth initiatives have focused on expanding transmission networks to support renewable energy integration, reinforcing road concession portfolios, and selectively investing in digital infrastructure aligned with smart grid and real-time systems management capabilities. The company has consistently prioritized assets with predictable returns and long concession durations.

Major investments and acquisitions over the past decade have strengthened ISA’s presence in Brazil, Chile, and Peru, particularly through ISA CTEEP in Brazil and ISA Interchile in Chile. The company is also involved in emerging technologies related to grid digitalization, system automation, and environmental management, aligning its capital allocation with energy transition and decarbonization trends across Latin America.

Geographic Footprint

ISA has a broad geographic footprint concentrated in Latin America, with headquarters in Colombia and significant operations in Brazil, Chile, Peru, Bolivia, Panama, and Central America. Brazil represents one of its largest markets by asset base and revenue contribution, while Colombia remains a core operational and strategic hub.

Across the region, ISA operates thousands of kilometers of transmission lines, multiple toll road concessions, and extensive fiber-optic networks. Its international presence provides diversification across regulatory regimes and economies, while reinforcing its role as a regional infrastructure integrator with cross-border operational influence.

Leadership & Governance

ISA is governed by a professional management team and a board structure aligned with Colombian public company standards and the oversight associated with majority ownership by Ecopetrol. Leadership emphasizes long-term value creation, operational excellence, and sustainability, with a strategic vision centered on being a leading Latin American infrastructure company supporting energy transition and regional integration.

Key executives include:

• Juan Emilio Posada – Chief Executive Officer
• Christian Torchia – Chief Financial Officer
• Ángela María Robledo – Vice President of Legal Affairs
• Carlos Mario Correa – Vice President of Electric Transmission
• Óscar Torres Yarzagaray – Vice President of Roads and Telecommunications

The leadership team promotes a governance philosophy focused on transparency, risk management, and alignment with environmental, social, and governance (ESG) principles embedded across ISA’s operating companies.