SUME (Summer Energy Holdings) FCF Margin %: -59.48% (As of Dec. 2025)

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What is Summer Energy Holdings FCF Margin %?

Summer Energy Holdings SUME FCF Margin % is -59.48% as of Dec. 2025. The stock has 5 warning signs investors should review. Among 497 Utilities - Regulated companies, Summer Energy Holdings ranks worse than 70.22% on this metric.

FCF Margin % is calculated as Free Cash Flow divided by its Revenue. Summer Energy Holdings's Free Cash Flow for the three months ended in Dec. 2025 was $-3.5 Mil. Summer Energy Holdings's Revenue for the three months ended in Dec. 2025 was $5.9 Mil. Therefore, Summer Energy Holdings's FCF Margin % for the quarter that ended in Dec. 2025 was -59.48%.

As of today, Summer Energy Holdings's current FCF Yield % is -281.34%.

The historical rank and industry rank for Summer Energy Holdings's FCF Margin % or its related term are showing as below:

SUME' s FCF Margin % Range Over the Past 10 Years
Min: -6.85   Med: -1.9   Max: 4
Current: -5.25

During the past 13 years, the highest FCF Margin % of Summer Energy Holdings was 4.00%. The lowest was -6.85%. And the median was -1.90%.

SUME's FCF Margin % is ranked worse than
70.22% of 497 companies
in the Utilities - Regulated industry
Industry Median: 2.57 vs SUME: -5.25

Summer Energy Holdings FCF Margin % Related Terms

Summer Energy Holdings FCF Margin % Historical Data

* Premium members only.

The historical data trend for Summer Energy Holdings'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.

Summer Energy Holdings FCF Margin % Chart

Summer Energy Holdings Annual Data
Trend Dec15 Dec16 Dec17 Dec18 Dec19 Dec21 Dec22 Dec23 Dec24 Dec25
FCF Margin %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 4.00 0.32 -2.18 2.50 -5.25

Summer Energy Holdings Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
FCF Margin % Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 4.14 -2.68 0.28 -234.69 -59.48

SUME vs CETI, NEE, SO: FCF Margin % Comparison

For the Utilities - Regulated Electric subindustry, Summer Energy Holdings'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.

Summer Energy Holdings FCF Margin % vs Utilities - Regulated Industry

For the Utilities - Regulated industry and Utilities sector, Summer Energy Holdings's FCF Margin % distribution charts can be found below:

* The bar in red indicates where Summer Energy Holdings's FCF Margin % falls into.


Summer Energy Holdings FCF Margin % Calculation

FCF margin is the ratio of Free Cash Flow divided by net sales or Revenue, usually presented in percent.

Summer Energy Holdings's FCF Margin for the fiscal year that ended in Dec. 2025 is calculated as

FCF Margin=Free Cash Flow (A: Dec. 2025 )/Revenue (A: Dec. 2025 )
=-6.407/122.034
=-5.25 %

Summer Energy Holdings's FCF Margin for the quarter that ended in Dec. 2025 is calculated as

FCF Margin=Free Cash Flow (Q: Dec. 2025 )/Revenue (Q: Dec. 2025 )
=-3.506/5.894
=-59.48 %

* 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.

Frequently Asked Questions Learn more about FCF Margin % →
What does a FCF Margin % of -59.48% mean?
Summer Energy Holdings (SUME) has a FCF Margin % of -59.48% as of Dec. 2025. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Summer Energy Holdings and its competitors. According to the industry distribution chart, Summer Energy Holdings ranks #349 out of 497 companies in the Utilities - Regulated industry, placing it in the top 70.2%.
Is Summer Energy Holdings' FCF Margin % too high?
Summer Energy Holdings' current FCF Margin % is -59.48%. Based on the distribution chart, Summer Energy Holdings ranks #349 out of 497 companies in the Utilities - Regulated industry, which is below the industry midpoint.
How does Summer Energy Holdings' FCF Margin % compare to CETI and NEE?
According to the Utilities - Regulated industry distribution chart, Summer Energy Holdings ranks #349 out of 497 companies for FCF Margin %. This places Summer Energy Holdings in the lower half of its industry. The industry median FCF Margin % is 2.57. 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. 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 Summer Energy Holdings 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. Summer Energy Holdings's current FCF Margin % is -59.48%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Summer Energy Holdings stock overvalued right now?
Based on GuruFocus' analysis, Summer Energy Holdings (SUME) is currently considered Possible Value Trap. The stock's GF Value™ is $0.18, compared to a current price of $0.06 — trading 66.1% below its estimated fair value. The current FCF Margin % is -59.48%. 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 Summer Energy Holdings (SUME), the current FCF Margin % is -59.48% 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.

Summer Energy Holdings Business Description

Address P.O. Box 570186, Houston, TX, USA, 77257
Summer Energy Holdings Inc operates as a retail electricity provider. The company sells electricity and provides related billing, customer service, collections, and remittance services to residential and commercial customers. It derives revenue from the sale of electricity to residential and small commercial customers.