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 Gross Margin % is 30.30% as of Dec. 2025, which is at its 10-year median of 30.30. 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 488 Utilities - Regulated companies, Luz Del SurA ranks worse than 51.02% on this metric.
The historical rank and industry rank for Luz Del SurA's Gross Margin % or its related term are showing as below:
LIM:LUSURC1'
s Gross Margin % Range Over the Past 10 Years
Min: 25.7 Med: 30.3 Max: 32.1
Current: 30.3
During the past 13 years, the highestGross Margin % of Luz Del SurA was 32.10%. The lowest was 25.70%. And the median was 30.30%.
LIM:LUSURC1's Gross Margin % is ranked worse than 51.02% of 488
companies
in the Utilities - Regulated industry
Industry Median: 30.63
vs LIM:LUSURC1: 30.30
Luz Del SurA had a gross margin of 30.30% for the quarter that ended in Dec. 2025 => Competition eroding margins
The 5-Year average Growth Rate of Gross Margin for Luz Del SurA was 1.00% per year.
Luz Del SurA (LIM:LUSURC1) Gross Margin % Explanation
Warren Buffett believes that firms with excellent long term economics tend to have consistently higher margins.
Durable competitive advantage creates a high Gross Margin % because of the freedom to price in excess of cost. Companies can be categorized by their Gross Margin %
1. Greater than 40% = Durable competitive advantage
2. Less than 40% = Competition eroding margins
3. Less than 20% = no sustainable competitive advantage
Consistency of Gross Margin is key
Luz Del SurA had a gross margin of 30.30% for the quarter that ended in Dec. 2025 => Competition eroding margins
Be Aware
If a company loses its competitive advantages, usually its gross margin declines well before its sales declines. Watching Gross Margin % and Operating Margin % closely helps avoid value trap situations.
Luz Del SurA Gross Margin % Related Terms
Luz Del SurA Gross Margin % Historical Data
* Premium members only.
The historical data trend for Luz Del SurA's Gross 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: Gross Margin % Comparison
For the Utilities - Regulated Electric subindustry, Luz Del SurA's Gross Margin %, along with its competitors' market caps and Gross 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 Gross Margin % vs Utilities - Regulated Industry
For the Utilities - Regulated industry and Utilities sector, Luz Del SurA's Gross Margin % distribution charts can be found below:
* The bar in red indicates where Luz Del SurA's Gross 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.
A positive Gross Profit is only the first step for a company to make a net profit. The gross profit needs to be big enough to also cover related labor, equipment, rental, marketing/advertising, research and development and a lot of other costs in selling the products.
Luz Del SurA (LIM:LUSURC1) has a Gross Margin % of 30.30% as of Dec. 2025. Gross margin is the ratio of total gross profit to net sales. View historical data on Luz Del SurA and its competitors. This is near median its historical median of 30.30. Over the past decade, Luz Del SurA's Gross Margin % has ranged from 25.70 to 32.10. According to the industry distribution chart, Luz Del SurA ranks #249 out of 488 companies in the Utilities - Regulated industry, placing it in the top 51%.
Is Luz Del SurA's Gross Margin % too high?
Luz Del SurA's current Gross Margin % of 30.30% is near median its 10-year median of 30.30. Over the past 10 years, this metric has ranged from a low of 25.70 to a high of 32.10. The Utilities - Regulated industry median Gross Margin % is 30.63. Luz Del SurA's value of 30.30% is 1.1% below this industry median. Based on the distribution chart, Luz Del SurA ranks #249 out of 488 companies in the Utilities - Regulated industry, which is below 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 Gross Margin % compare to NEE and SO?
According to the Utilities - Regulated industry distribution chart, Luz Del SurA ranks #249 out of 488 companies for Gross Margin %. This places Luz Del SurA in the lower half of its industry. The industry median Gross Margin % is 30.63. Luz Del SurA's value of 30.30% is 1.1% below this benchmark. Historically, Luz Del SurA's own Gross Margin % has ranged from 25.70 to 32.10 over the past decade. While the company's 10-year median is 30.30 vs. the industry median of 30.63, Luz Del SurA has consistently been below 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 Gross Margin % for an Utilities - Regulated company?
The median Gross Margin % among Utilities - Regulated companies is 30.63, based on 488 companies in the industry. Companies in the top quartile (top 25%) have a Gross Margin % significantly above this median, while those in the bottom quartile fall well below. However, Gross Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Luz Del SurA's current Gross Margin % of 30.30% is 1.1% below 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 Gross Margin % mean?
A high Gross Margin % can signal that a stock is expensive relative to its fundamentals. Gross margin is the ratio of total gross profit to net sales. View historical data on Luz Del SurA and its competitors. For the Utilities - Regulated industry, the median Gross Margin % is 30.63 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Luz Del SurA's current Gross Margin % is 30.30%, which is near median its own 10-year median of 30.30. 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 Gross Margin % is 30.30%, which is near median its 10-year median of 30.30 and 1.1% below the Utilities - Regulated industry median of 30.63. 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 Gross Margin % calculated?
Gross Margin % is calculated from a company's financial statements. For Luz Del SurA (LIM:LUSURC1), the current Gross Margin % is 30.30% 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:
Gross Margin %: 30.30% (near median its 10-year median of 30.30)
GF Value™: S/.16.90 vs. price of S/.13.15 (22.2% below fair value)
Industry Position: 1.1% below the Utilities - Regulated median (#249 of 488)
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
Gross 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 
