Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.
Luz Del SurALIM:LUSURC1 54 FCF Margin % is 11.45% as of Dec. 2025, which is 43% above its 10-year median of 8.00. GuruFocus rates LIM:LUSURC1 with a GF Score™ of 54/100 and a GF Value™ of S/.16.90 (Modestly Undervalued). The stock has 8 warning signs investors should review. Among 497 Utilities - Regulated companies, Luz Del SurA ranks better than 74.65% on this metric.
FCF Margin % is calculated as Free Cash Flow divided by its Revenue. Luz Del SurA's Free Cash Flow for the
six
months ended in Dec. 2025 was S/.535 Mil. Luz Del SurA's Revenue for the
six
months ended in Dec. 2025 was S/.4,669 Mil. Therefore, Luz Del SurA's FCF Margin % for the quarter that ended in Dec. 2025 was 11.45%.
The historical rank and industry rank for Luz Del SurA's FCF Margin % or its related term are showing as below:
LIM:LUSURC1'
s FCF Margin % Range Over the Past 10 Years
Min: 1.67 Med: 8 Max: 13.06
Current: 11.45
During the past 13 years, the highest FCF Margin % of Luz Del SurA was 13.06%. The lowest was 1.67%. And the median was 8.00%.
LIM:LUSURC1's FCF Margin % is ranked better than 74.65% of 497
companies
in the Utilities - Regulated industry
Industry Median: 2.57
vs LIM:LUSURC1: 11.45
Luz Del SurA FCF Margin % Related Terms
Luz Del SurA FCF Margin % Historical Data
* Premium members only.
The historical data trend for Luz Del SurA's FCF Margin % can be seen below:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
LIM:LUSURC1 vs NEE, SO, DUK: FCF Margin % Comparison
For the Utilities - Regulated Electric subindustry, Luz Del SurA's FCF Margin %, along with its competitors' market caps and FCF Margin % data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
Luz Del SurA FCF Margin % vs Utilities - Regulated Industry
For the Utilities - Regulated industry and Utilities sector, Luz Del SurA's FCF Margin % distribution charts can be found below:
* The bar in red indicates where Luz Del SurA's FCF Margin % falls into.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
Luz Del SurA (LIM:LUSURC1) has a FCF Margin % of 11.45% as of Dec. 2025. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Luz Del SurA and its competitors. This is 43% above median its historical median of 8.00. Over the past decade, Luz Del SurA's FCF Margin % has ranged from 1.67 to 13.06. According to the industry distribution chart, Luz Del SurA ranks #126 out of 497 companies in the Utilities - Regulated industry, placing it in the top 25.4%.
Is Luz Del SurA's FCF Margin % too high?
Luz Del SurA's current FCF Margin % of 11.45% is 43% above median its 10-year median of 8.00. Over the past 10 years, this metric has ranged from a low of 1.67 to a high of 13.06. The Utilities - Regulated industry median FCF Margin % is 2.57. Luz Del SurA's value of 11.45% is 345.5% above this industry median. Based on the distribution chart, Luz Del SurA ranks #126 out of 497 companies in the Utilities - Regulated industry, which is above the industry midpoint. Overall, Luz Del SurA has a GF Score™ of 54/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Luz Del SurA's FCF Margin % compare to NEE and SO?
According to the Utilities - Regulated industry distribution chart, Luz Del SurA ranks #126 out of 497 companies for FCF Margin %. This puts Luz Del SurA in the upper half of its industry. The industry median FCF Margin % is 2.57. Luz Del SurA's value of 11.45% is 345.5% above this benchmark. Historically, Luz Del SurA's own FCF Margin % has ranged from 1.67 to 13.06 over the past decade. While the company's 10-year median is 8.00 vs. the industry median of 2.57, Luz Del SurA has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good FCF Margin % for an Utilities - Regulated company?
The median FCF Margin % among Utilities - Regulated companies is 2.57, based on 497 companies in the industry. Companies in the top quartile (top 25%) have a FCF Margin % significantly above this median, while those in the bottom quartile fall well below. However, FCF Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Luz Del SurA's current FCF Margin % of 11.45% is 345.5% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high FCF Margin % mean?
A high FCF Margin % can signal that a stock is expensive relative to its fundamentals. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Luz Del SurA and its competitors. For the Utilities - Regulated industry, the median FCF Margin % is 2.57 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Luz Del SurA's current FCF Margin % is 11.45%, which is 43% above median its own 10-year median of 8.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Luz Del SurA stock overvalued right now?
Based on GuruFocus' analysis, Luz Del SurA (LIM:LUSURC1) is currently considered Modestly Undervalued. The stock's GF Value™ is S/.16.90, compared to a current price of S/.13.15 — trading 22.2% below its estimated fair value. The current FCF Margin % is 11.45%, which is 43% above median its 10-year median of 8.00 and 345.5% above the Utilities - Regulated industry median of 2.57. Luz Del SurA's overall GF Score™ is 54/100 with 8 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is FCF Margin % calculated?
FCF Margin % is calculated from a company's financial statements. For Luz Del SurA (LIM:LUSURC1), the current FCF Margin % is 11.45% as of Dec. 2025. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is Luz Del SurA (LIM:LUSURC1) Overvalued in 2026?
Based on GuruFocus' analysis, Luz Del SurA stock appears to be undervalued.
The current stock price of S/.13.15 is trading 22.2% below its estimated GF Value™ of S/.16.90.
GuruFocus considers Luz Del SurA to be Modestly Undervalued.
Key valuation signals for LIM:LUSURC1:
FCF Margin %: 11.45% (43% above median its 10-year median of 8.00)
GF Value™: S/.16.90 vs. price of S/.13.15 (22.2% below fair value)
Industry Position: 345.5% above the Utilities - Regulated median (#126 of 497)
No single metric tells the full story. See the LIM:LUSURC1 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Luz Del Sur SAA is a Peru-based electric power distribution company which provides service to approximately 900 thousand clients. The company also provides other services such as maintenance of internal installations and electrical networks, as well as energy diagnoses. It also focuses on expansion and improvement of the electrical grid, construction of transmission and distribution substations, and purchase of machinery and equipment.
54GF Score
Get the complete analysis for LIM:LUSURC1
FCF Margin % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
LIM:LUSURC1 has been successfully added to your 
