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Interconexión Eléctrica S.A. E.S.P. (IESFY)

$224.00 +$0.00 (+0.00%) |CouncilHOLD · 47 · C
Bottom line: HOLD — our Council read (47/100) and AI Score (47/100) broadly agree.
MCap: $9.92B| P/E Ratio: 15.0| Vol: 49| 52-wk range: $109.99 – $295.50
Data from FMP · Methodology

For informational purposes only. Not financial advice. Analysis by Sedat ANAK, Founder & Editor-in-Chief | AI-powered analysis. Data sourced from SEC filings and institutional-grade financial providers. Editorially reviewed. Not financial advice.

Interconexión Eléctrica S.A. E.S.P. (IESFY) trades at $224.00 with AI Score 47/100 (Grade C). Interconexión Eléctrica S. A. E. Market cap: $9.92B, Sector: Utilities.

Price live · AI analysis from Mar 17, 2026
Interconexión Eléctrica S.A. E.S.P. (ISA) operates a vast high-voltage transmission network across South America, focusing on electric power, roads, ICT, and telecommunications. With a significant presence in Colombia and expansion throughout the region, ISA plays a crucial role in energy infrastructure and connectivity.

Analyst Coverage for IESFY: IESFY does not currently have published analyst price targets in our coverage universe. This is common for smaller-cap names with limited Wall Street coverage. In the absence of analyst consensus, our AI model evaluates IESFY against Utilities peers across nine fundamental dimensions and assigns an underweight signal based on the underlying data.

Council Score · Weighted Average of 3 Disciplines
HOLD 47/100 · C

IESFY: the 1 perspectives are evenly split.

How is this calculated? →
Council Score · 8 perspectives · See tabs for details →

Interconexión Eléctrica S.A. E.S.P. (IESFY) Utility Operations & Dividend Profile

CEOGabriel Jaime Melguizo Posada
Employees4700
HeadquartersMedellín, CO
IPO Year2008
SectorUtilities

Interconexión Eléctrica S.A. E.S.P. (IESFY) is a South American leader in high-voltage transmission, operating a network spanning Colombia, Peru, Bolivia, Brazil, and Chile. The company diversifies its operations through road infrastructure, telecommunications, and digital solutions, leveraging its extensive fiber optic network and regulated utility business model.

Data Provenance | Financial Data Quantitative Analysis NASDAQ Analysis: Mar 17, 2026

What Is the Investment Thesis for IESFY?

Interconexión Eléctrica S.A. E.S.P. (IESFY) presents a compelling investment case based on its strategic position in South America's energy infrastructure. The company's regulated utility business provides a stable revenue stream, supported by its extensive high-voltage transmission network. With a P/E ratio of 15.0 and a dividend yield of 3.67%, IESFY offers a blend of value and income. Growth catalysts include expansion of its transmission network and increasing demand for connectivity solutions. Potential risks include regulatory changes and currency fluctuations, given its international operations. The company's beta of 0.40 suggests lower volatility compared to the broader market. Investors should monitor the company's ability to maintain its profit margin of 15.1% and capitalize on growth opportunities in the telecommunications sector.

Based on FMP financials and quantitative analysis

IESFY Key Highlights

  • Market capitalization of $9.92B, reflecting its significant presence in the South American utility sector.
  • P/E ratio of 15.0, suggesting a potentially undervalued stock compared to its earnings.
  • Dividend yield of 3.67%, providing a steady income stream for investors.
  • Profit margin of 15.1%, indicating efficient operations and profitability.
  • Beta of 0.40, suggesting lower volatility compared to the overall market.

Who Are IESFY's Competitors?

IESFY is benchmarked below against 8 industry peers on price, market cap, and our AI MoonshotScore.

Company Price Change Market Cap AI Score
AEE Ameren Corporation $113.13 -1.65% $31.31B 83
AEP American Electric Power Company $136.21 -1.66% $74.11B 83
AGR Avangrid, Inc. $36.02 +0.81% $13.94B 46
CMS CMS Energy Corporation $76.51 -1.57% $23.64B 55
D Dominion Energy, Inc. $69.20 -0.79% 61B 54
CNLPM The Connecticut Light and Power Company $32.99 +1.29% $315.00M 72
CNTHP The Connecticut Light and Power Company $52.70 +0.55% $318.06M 69
CNLHP The Connecticut Light and Power Company $36.95 +0.00% $223.00M 68

AI Score by Stock Expert AI · Price data: FMP / Yahoo Finance

What Are IESFY's Key Strengths?

  • Extensive high-voltage transmission network.
  • Diversified operations in electric power, roads, and telecommunications.
  • Strategic international interconnections.
  • Regulated utility business providing stable revenue.

What Are IESFY's Weaknesses?

  • Exposure to regulatory changes in multiple countries.
  • Currency risk due to international operations.
  • Dependence on infrastructure development projects.
  • Potential for political instability in some operating regions.

What Could Drive IESFY Stock Higher?

  • Expansion of high-voltage transmission network to meet growing electricity demand in South America.
  • Increasing demand for connectivity solutions driving growth in telecommunications and digital services.
  • Government incentives and investments in renewable energy projects.
  • Potential for new international interconnections to enhance regional energy security.
  • Infrastructure development projects in roads and other sectors.

What Are the Key Risks for IESFY?

  • Financial-distress signal — its Altman Z-Score of 1.06 sits in the distress zone (elevated bankruptcy risk).
  • Exposure to regulatory changes in multiple countries.
  • Currency risk due to international operations.
  • Economic downturns affecting electricity demand.
  • Political instability in some operating regions.
  • Cybersecurity threats to transmission networks.

What Are the Growth Opportunities for IESFY?

  • Expansion of High-Voltage Transmission Network: ISA can capitalize on the increasing demand for electricity in South America by expanding its high-voltage transmission network. The market for transmission infrastructure is projected to grow as countries invest in grid modernization and renewable energy projects. ISA's existing network and expertise provide a competitive advantage in securing new projects and expanding its footprint across the region. Timeline: Ongoing.
  • Growth in Telecommunications and Digital Solutions: ISA's fiber optic network presents a significant growth opportunity in the telecommunications sector. As demand for high-speed internet and digital services increases, ISA can leverage its existing infrastructure to provide connectivity solutions to businesses and consumers. This diversification can enhance revenue streams and reduce reliance on the regulated utility business. Market size: Growing demand for fiber optic connectivity in South America. Timeline: Ongoing.
  • Investment in Renewable Energy Projects: With the increasing focus on renewable energy, ISA can invest in and connect renewable energy projects to its transmission network. This includes wind, solar, and hydroelectric power plants. By facilitating the integration of renewable energy sources, ISA can contribute to the region's sustainability goals and benefit from government incentives and investments in clean energy. Timeline: Ongoing.
  • Development of Road Infrastructure Projects: ISA's expertise in infrastructure development extends to road projects. As countries in South America invest in improving their transportation networks, ISA can bid on and develop road infrastructure projects, generating revenue and expanding its infrastructure portfolio. This diversification can provide a stable source of income and reduce reliance on the energy sector. Timeline: Ongoing.
  • International Interconnections: ISA can further strengthen its position by developing new international interconnections between countries in South America. These interconnections facilitate cross-border energy exchange and enhance regional energy security. By expanding its network of international interconnections, ISA can generate revenue from transmission fees and contribute to the integration of the South American energy market. Timeline: Ongoing.

What Opportunities Does IESFY Have?

  • Expansion of transmission network to meet growing electricity demand.
  • Growth in telecommunications and digital solutions.
  • Investment in renewable energy projects.
  • Development of new international interconnections.

What Threats Does IESFY Face?

  • Competition from other utility and infrastructure companies.
  • Economic downturns affecting electricity demand.
  • Environmental regulations impacting infrastructure development.
  • Cybersecurity threats to transmission networks.

What Are IESFY's Competitive Advantages?

  • Extensive high-voltage transmission network across multiple countries.
  • Regulated utility business providing stable revenue.
  • Strategic international interconnections.
  • Diversified operations in electric power, roads, and telecommunications.

What Does IESFY Do?

Interconexión Eléctrica S.A. E.S.P. (ISA) was founded in 1967 in Medellín, Colombia, with the primary goal of integrating the country's electric power grid. Over the decades, ISA has evolved from a national player to a multinational corporation with operations across South America. The company's core business involves expanding, operating, and maintaining high-voltage transmission networks. ISA manages 47.358 km of high-voltage transmission lines and 92.720 MVA of transmission infrastructure across Colombia, Peru, Bolivia, Brazil, and Chile. These networks include critical international interconnections between Colombia-Ecuador and Ecuador-Peru, facilitating cross-border energy exchange. Beyond electric power, ISA has diversified into road infrastructure, designing, building, and maintaining roads. The company also provides connectivity, telecommunication, and digital solutions, managing approximately 54.034 km of fiber optics network. ISA's business model centers on regulated utility operations, complemented by infrastructure development and telecommunications services, positioning it as a key player in South America's infrastructure landscape.

What Products and Services Does IESFY Offer?

  • Operates and maintains high-voltage transmission networks.
  • Expands transmission infrastructure across South America.
  • Provides connectivity and telecommunication solutions.
  • Manages a fiber optics network.
  • Designs, builds, and maintains road infrastructure.
  • Facilitates international energy interconnections.

How Does IESFY Make Money?

  • Regulated utility operations providing stable revenue streams.
  • Infrastructure development projects, including transmission lines and roads.
  • Telecommunications services, leveraging its fiber optic network.
  • Transmission fees from energy interconnections.

What Industry Does IESFY Operate In?

Interconexión Eléctrica S.A. E.S.P. operates within the regulated electric utility industry in South America, a region experiencing growing demand for electricity and infrastructure development. The market is characterized by a mix of state-owned and private companies, with increasing investments in renewable energy and grid modernization. ISA competes with other regional players in expanding and maintaining transmission networks. The industry is subject to regulatory oversight and is influenced by macroeconomic factors and government policies. As countries in the region pursue economic growth, the demand for reliable electricity and connectivity solutions will drive growth in this sector.

Who Are IESFY's Key Customers?

  • Electric power companies.
  • Telecommunications providers.
  • Businesses requiring connectivity solutions.
  • Governments and municipalities for infrastructure projects.
  • Consumers requiring internet and digital services.
AI Confidence: 72% Updated: Mar 17, 2026

Company Profile

Interconexión Eléctrica S.A. E.S.P. operates in the Regulated Electric industry within the Utilities sector. It is headquartered in Medellín, CO. The company is led by CEO Gabriel Jaime Melguizo Posada. IESFY has traded publicly since 2008.

How Interconexión Eléctrica S.A. E.S.P. Is Valued

Interconexión Eléctrica S.A. E.S.P. carries a market capitalization of $9.92B, placing it in the mid-cap category. Relative to its peer group, IESFY's quantitative score of 47/100 is below the peer average of 64/100.

ROE 13%Key Financial Metrics

Return on equity for Interconexión Eléctrica S.A. E.S.P. stands at 13.0%, a gauge of how efficiently it converts shareholder capital into profit. Return on assets is 3.0%, showing how much profit it generates from its asset base. IESFY trades at a trailing price-to-earnings ratio of 14.98, below the Utilities sector average of ~28x. Its free cash flow yield is 3.9%, a gauge of the cash the business throws off relative to its market value. A current ratio of 1.68 indicates the company holds enough short-term assets to cover its near-term obligations. Its earnings yield is 6.7%, the inverse of the P/E and a quick read on earnings relative to price.

F-Score 6/9Financial Health

Interconexión Eléctrica S.A. E.S.P.'s Piotroski F-Score is 6/9, a 9-point checklist of profitability, leverage and efficiency — a middling fundamental profile. Its Altman Z-Score of 1.06 places it in the distress zone, a signal of elevated financial risk.

FY2026 estForward Outlook

Wall Street analysts project Interconexión Eléctrica S.A. E.S.P. revenue of about $15.89T for fiscal 2026, with EPS near $0.00.

IESFY Financials

Fundamental Snapshot

Revenue Growth (FY)
-0.5%
Net Income Growth (FY)
-20.2%
EPS Growth (FY)
-13.8%
Free Cash Flow Growth (FY)
-79.8%
P/E (TTM)
15.0
Return on Equity (TTM)
+13.0%
Current Ratio
1.7
EV/EBITDA (TTM)
7.9

Based on FMP financials and quantitative analysis · FY 2025

Bull Case vs Bear Case

Bull Case

  • Extensive high-voltage transmission network.
  • Diversified operations in electric power, roads, and telecommunications.
  • Strategic international interconnections.
  • Regulated utility business providing stable revenue.

Bear Case

  • Exposure to regulatory changes in multiple countries.
  • Currency risk due to international operations.
  • Dependence on infrastructure development projects.
  • Potential for political instability in some operating regions.

AI-generated arguments based on insider flow, news sentiment and technicals — not financial advice · July 2026

IESFY Latest News

No recent news available for IESFY.

IESFY Analyst Consensus

Consensus Rating

Aggregated Buy/Hold/Sell recommendations from Benzinga, Yahoo Finance, and Finnhub for IESFY.

Price Targets

Wall Street price target analysis for IESFY.

IESFY MoonshotScore

47/100

What does this score mean?

The MoonshotScore rates IESFY's growth potential on a scale of 0-100 across multiple factors including innovation, market disruption, financial health, and momentum.

Leadership: Gabriel Jaime Melguizo Posada

CEO

Gabriel Jaime Melguizo Posada serves as the CEO of Interconexión Eléctrica S.A. E.S.P. (ISA), leading a workforce of 4700 employees. His background includes extensive experience in the energy sector, with a focus on infrastructure development and telecommunications. Prior to his role at ISA, he held various leadership positions in related industries, contributing to his deep understanding of the South American energy market. He has a strong academic background in engineering and business administration.

Track Record: Under Gabriel Jaime Melguizo Posada's leadership, ISA has continued to expand its high-voltage transmission network and diversify its operations into telecommunications and road infrastructure. He has overseen the development of new international interconnections and the integration of renewable energy projects into the grid. His strategic decisions have contributed to the company's growth and profitability.

Interconexión Eléctrica S.A. E.S.P. ADR Information Unsponsored

An American Depositary Receipt (ADR) is a certificate representing shares of a foreign company trading on U.S. stock exchanges. IESFY is traded as a Level 1 ADR, meaning it trades over-the-counter (OTC) without the same stringent SEC reporting requirements as listed companies. This allows U.S. investors to invest in Interconexión Eléctrica S.A. E.S.P. without directly dealing with foreign exchanges.

  • Home Market Ticker: Bolsa de Valores de Colombia (IESF), Colombia
  • ADR Level: 1
  • ADR Ratio: 1:1
  • Home Market Ticker: IESF
Currency Risk: As an ADR, IESFY is subject to currency risk. The value of the ADR is affected by fluctuations in the exchange rate between the U.S. dollar and the Colombian Peso. If the Peso depreciates against the dollar, the value of IESFY in dollar terms may decrease, impacting U.S. investors.
Tax Implications: Dividends paid on IESFY ADRs are subject to foreign dividend withholding tax by the Colombian government. The standard withholding tax rate is approximately 20%. However, tax treaties between the U.S. and Colombia may reduce this rate for eligible U.S. investors. Investors should consult with a tax advisor to determine their specific tax obligations.
Trading Hours: Trading hours for IESFY on the OTC market in the U.S. may not perfectly align with the trading hours of the Bolsa de Valores de Colombia (IESF). This difference in trading hours can affect liquidity and price discovery for IESFY ADRs. U.S. investors should be aware of the potential for price discrepancies between the two markets.

IESFY OTC Market Information

The OTC Other tier represents the lowest tier of the OTC market, indicating that Interconexión Eléctrica S.A. E.S.P. has limited reporting requirements and may not meet the listing standards of major exchanges like the NYSE or NASDAQ. Companies in this tier often have minimal financial disclosure, making it more difficult for investors to assess their financial health and performance compared to companies on higher tiers or listed exchanges.

  • OTC Tier: OTC Other
  • Disclosure Status: Unknown
Liquidity: Liquidity for IESFY on the OTC market may be limited, potentially resulting in wider bid-ask spreads and greater price volatility. The trading volume may be lower compared to stocks listed on major exchanges, making it more difficult to buy or sell large quantities of shares without significantly impacting the price. Investors should exercise caution and consider using limit orders to manage their risk.
OTC Risk Factors:
  • Limited financial disclosure compared to listed companies.
  • Lower liquidity and higher price volatility.
  • Potential for fraud or manipulation.
  • Greater risk of delisting or suspension of trading.
  • Limited regulatory oversight.
Due Diligence Checklist:
  • Verify the company's registration and legal status.
  • Obtain and review available financial statements.
  • Research the company's management team and their track record.
  • Assess the company's business model and competitive landscape.
  • Understand the risks associated with investing in OTC stocks.
  • Consult with a financial advisor.
  • Monitor news and announcements related to the company.
Legitimacy Signals:
  • Established presence in the South American utility sector.
  • Extensive high-voltage transmission network.
  • Diversified operations in electric power, roads, and telecommunications.
  • History of operating as a regulated utility.
  • Presence of international interconnections.

Common Questions About IESFY (Utilities)

What does Interconexión Eléctrica S.A. E.S.P. do?

Interconexión Eléctrica S.A. E.S.P. (ISA) is a leading South American utility company that operates and expands high-voltage transmission networks. It focuses on electric power infrastructure, road development, ICT, and telecommunications. ISA maintains an extensive network spanning Colombia, Peru, Bolivia, Brazil, and Chile, facilitating energy transmission and connectivity solutions. The company also manages a significant fiber optic network, providing telecommunications services to businesses and consumers.

What are the main risks for IESFY?

The main risks for IESFY include regulatory changes in the multiple countries where it operates, currency risk due to its international operations, and potential economic downturns affecting electricity demand. Political instability in some operating regions and cybersecurity threats to its transmission networks also pose risks. Investors should carefully assess these factors before investing in IESFY.

What are the key factors to evaluate for IESFY?

Interconexión Eléctrica S.A. E.S.P. (IESFY) holds an AI score of 47/100 (low). P/E: 15.0x vs the S&P 500's ~20-25x. Not financial advice.

How frequently does IESFY data refresh on this page?

IESFY prices update in real time during U.S. market hours. Fundamentals refresh after quarterly filings; analyst ratings and AI insights update daily; news is aggregated continuously.

What has driven IESFY's recent stock price performance?

Interconexión Eléctrica S.A. E.S.P. (IESFY) moves on earnings results, analyst revisions, sector rotation, and market sentiment. Notable catalyst: Extensive high-voltage transmission network. See the News tab for the latest drivers. Past performance does not predict future results.

Should investors consider IESFY overvalued or undervalued right now?

Interconexión Eléctrica S.A. E.S.P. (IESFY) trades at 15.0x earnings. Compare P/E, P/S, and EV/EBITDA against sector peers for a full view.

What research should beginners do before buying IESFY?

Before investing in Interconexión Eléctrica S.A. E.S.P. (IESFY), research these four areas: (1) the company's revenue model and competitive position (see Company Overview), (2) financial health through revenue growth, margins, and cash flow (see MoonshotScore), (3) what Wall Street analysts recommend and their price targets (see Analyst tab), and (4) specific risk factors that could impact the stock (see Risk Factors section).

Why might investors consider adding IESFY to a portfolio?

Key strength of Interconexión Eléctrica S.A. E.S.P. (IESFY): Extensive high-voltage transmission network. Weigh rewards against risks and diversify. Not financial advice.

Disclaimer: This content is for informational purposes only and does not constitute investment advice. Always do your own research and consult a financial advisor.

Official Resources

Price as of Analysis updated AI Score refreshed daily
Data Sources & Methodology
Market data powered by Financial Modeling Prep & Yahoo Finance. AI analysis by Stock Expert AI proprietary algorithms. Technical indicators via industry-standard calculations. Last updated: .
Data Provenance
Sources: Financial Modeling Prep (FMP) — Primary · Yahoo Finance — Fallback · Alpaca — Tertiary
Last fetched:
Cache TTL: Quote 5min · Profile 7d · Financials 7d · Insider 48h
How we use AI: Numbers are pulled directly from FMP & Yahoo Finance — our AI writes the analysis, it never edits the figures.
Data provided as-is for educational purposes. Not financial advice. Methodology

Data provided for informational purposes only.

Analysis Notes
  • AI analysis pending for IESFY, further insights may be available in the future.
  • OTC market data may have limited availability and reliability.
Data Sources

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