What ISA INTERCHILE does

ISA INTERCHILE is a Chilean regulated electricity transmission company, wholly owned by ISA Group, Colombia's state-owned transmission conglomerate. Founded in 2012 and headquartered at Cerro el Plomo 5260, Las Condes, Santiago, the company operates critical high-voltage transmission infrastructure within Chile's national grid, including the Cardones Polpaico transmission line and the Encuentro Lagunas transmission line, serving bulk power corridors across the Atacama, Coquimbo, Valparaíso, and Metropolitan regions.

The company's technology portfolio centers on high-voltage transmission infrastructure and dynamic power flow control systems designed to optimize transmission capacity, stabilize the grid, and support the integration of variable renewable energy sources. In August 2025, ISA INTERCHILE and parent ISA Group filed for environmental clearance for two dynamic power flow control projects with a combined estimated value of US$35 million, indicating active expansion of the technical asset base beyond traditional transmission lines.

Commercially, ISA INTERCHILE operates as a regulated monopoly entity under Chile's energy sector governance: transmission services are provided to national grid operators, power generators, and distribution utilities under a government tariff framework rather than through market-based pricing. The company is pursuing technology partnerships (including with Hitachi Energy announced in October 2025) and ESG-focused initiatives such as the carbon-neutral football club partnership with Colo Colo, while aligning operations with the broader ISA 2030 Strategy. No public financial disclosures on revenue or pricing are available.

Name

ISA INTERCHILE

Legal name

Interchilesa

Website

https://interchilesa.com

Company type

Private

Founded year

2012

Operating status

Operating

Headcount range

101–250 employees

Short description

ISA INTERCHILE is a Chilean regulated electricity transmission utility and wholly-owned subsidiary of Colombia's state-owned ISA Group, operating high-voltage transmission lines including Cardones Polpaico and Encuentro Lagunas to serve Chile's national grid operator, power generators, and distribution utilities.

Ownership category

akta.pro rank

Product category

Electric Power Transmission

NAICS

Electric Bulk Power Transmission and Control (221121), Electric Power Transmission, Control, and Distribution (22112)

SIC

Electric Services (4911)

akta.pro primary industry

HVAC Transmission Lines (EHV/UHV Overhead & Underground) (EUADAAAD)

akta.pro secondary industries

Commissioning, Testing & Field Services for Interconnection (Energization, Acceptance Tests) (EUAMAIAJ), Grid Interconnection & Collector Substation EPC (Utility-Scale Renewables) (EUAEABAK), Interconnection & Grid Access Services (Connection Agreements, Queue Mgmt) (EUADAAAI)

Keywords

• Electric power transmission
• High voltage infrastructure
• Power grid operations
• Transmission line services
• Energy transmission systems

Headquarters

HQ city

Las Condes

HQ country

Chile

HQ region

Latin America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Infrastructure, Operations, Personnel, Technology or R&D, Marketing or Sales, Others

Distribution channels1 record

Marketing channels4 records

Core offering

ISA INTERCHILE operates high-voltage electricity transmission infrastructure across Chile's national grid, including the Cardones Polpaico and Encuentro Lagunas transmission lines. As the Chilean subsidiary of Colombia's state transmission group ISA, it provides bulk energy transmission services, grid stability support, and is developing dynamic power flow control projects to modernize the network.

Product overview

ISA INTERCHILE is a Chilean electricity transmission company and subsidiary of Colombia's state transmission group ISA (ISA – Conexiones que inspiran). The company operates critical transmission infrastructure including the Cardones Polpaico Transmission Line and the Encuentro Lagunas Transmission Line, both high-voltage transmission corridors in Chile's national grid. ISA INTERCHILE is also developing dynamic power flow control projects as part of grid modernization efforts. The company operates under the ISA 2030 Strategy and focuses on power transmission services, sustainability initiatives, and territorial management across Chile's Atacama, Coquimbo, Valparaíso, and RM regions.

Differentiator

Problem solved

Functional benefit

Brands

• Puma Connection: Sustainability initiative focused on connections for development

Products and services

• Cardones Polpaico Transmission Line

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Four partnerships are on record, tiered core, flagship and minor.

• Hitachi EnergycoreTechnology or Integration · 29 October 2025Hitachi Energy announced plans to implement technology for transmitting large volumes of energy in Chile. This technology is intended to support the country's growing energy transmission needs, potentially in coordination with existing transmission infrastructure operated by Interchile.
• ISA GroupflagshipStrategic or Co-development PartnerISA Group is the Colombian state transmission company that owns and operates ISA INTERCHILE as its Chilean subsidiary. The parent company provides strategic direction, capital backing, and operational expertise across Latin American energy transmission markets.
• CHICIERminorStrategic or Co-development PartnerCHICIER (presumably Chilean Interchile) is referenced in connection with sustainability and carbon neutral initiatives, working alongside ISA INTERCHILE on environmental and social responsibility programs.
• Colo Colo Football ClubminorGTM or Marketing PartnerISA INTERCHILE partnered with Colo Colo to support the club's ambition to become Chile's first carbon-neutral football club. This partnership involves tree-planting initiatives and environmental programs to offset carbon emissions.

Scale indicators3 records

Recent moves4 records

Expansion highlights4 records

Direct peers

• Transelec: Chile's largest electric transmission company, operating the bulk of the country's high-voltage transmission system. Directly comparable to ISA INTERCHILE as both operate regulated HVAC transmission infrastructure within Chile's national grid.
• Redeia (Red Eléctrica de España): Spanish TSO operating one of Europe's most advanced high-voltage transmission networks with significant renewable integration. Comparable as a regulated transmission system operator focused on grid stability and renewable integration, mirroring ISA INTERCHILE's value proposition.
• Terna: Italy's national transmission system operator managing the Italian high-voltage grid. Comparable as a regulated TSO with significant focus on grid modernization, renewable integration, and dynamic power flow management similar to ISA INTERCHILE's strategy.
• National Grid: UK-based regulated transmission system operator with operations in the US. Comparable as a publicly listed regulated TSO focused on high-voltage transmission, grid modernization, and renewable integration - similar business model and regulatory framework to ISA INTERCHILE.
• Elia Group: Belgian/German regulated transmission system operator managing high-voltage grids across multiple European jurisdictions. Comparable to ISA INTERCHILE in operating regulated cross-border transmission infrastructure with focus on renewable integration and grid stability.

Broad incumbents

• ISA Group: Colombian state-owned transmission group that owns ISA INTERCHILE. Operates transmission assets across multiple Latin American countries (Colombia, Brazil, Peru, Chile). Comparable as a broader incumbent in the same industry with overlapping capabilities at a regional portfolio level.
• ENGIE Energía Chile: Chilean subsidiary of global energy major ENGIE, operating generation and transmission assets in Chile. Comparable as a broader incumbent in Chile's power sector with overlapping transmission-related capabilities, though not specialized as a pure TSO like ISA INTERCHILE.
• Enel Chile: Chilean subsidiary of Italian utility Enel, one of Chile's largest power generators with distribution operations. Comparable as a broader incumbent in Chile's electricity sector with adjacent transmission involvement, though primarily a generator and distributor.
• AES Andes: Chilean power generation subsidiary of AES Corporation, operating thermal and renewable generation assets in Chile. Comparable as a broader incumbent in Chile's electricity sector using the same transmission infrastructure that ISA INTERCHILE operates.

Others

• Hitachi Energy: Global technology provider of power transmission equipment, grid solutions, and dynamic power flow control systems. Strategic technology partner to ISA INTERCHILE and a key enabler/supplier of the high-voltage infrastructure and dynamic power flow technology the company deploys.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks5 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/isainterchilesa
• LinkedInlinkedin.com/company/isa-interchile

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about ISA INTERCHILE