SUME (Summer Energy Holdings) EV-to-FCF: -2.94 (As of Jul. 30, 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
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.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
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.

What is Summer Energy Holdings EV-to-FCF?

Summer Energy Holdings SUME EV-to-FCF is -2.94 as of Jul. 30, 2026. The stock has 5 warning signs investors should review. Among 299 Utilities - Regulated companies, Summer Energy Holdings ranks worse than 334447.83% on this metric.

EV-to-FCF is calculated as enterprise value divided by its free cash flow. As of today, Summer Energy Holdings's Enterprise Value is $18.8 Mil. Summer Energy Holdings's Free Cash Flow for the trailing twelve months (TTM) ended in Dec. 2025 was $-6.4 Mil. Therefore, Summer Energy Holdings's EV-to-FCF for today is -2.94.

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

SUME' s EV-to-FCF Range Over the Past 10 Years
Min: -214.35   Med: -4.63   Max: 81.3
Current: -2.94

During the past 13 years, the highest EV-to-FCF of Summer Energy Holdings was 81.30. The lowest was -214.35. And the median was -4.63.

SUME's EV-to-FCF is ranked worse than
100% of 299 companies
in the Utilities - Regulated industry
Industry Median: 18.63 vs SUME: -2.94

EV-to-FCF is a valuation multiple that allows analysts and investors to compare stocks, preferably in the same sector or industry. This important multiple is often used in conjunction with, or as an alternative to, the PE Ratio (TTM) to determine the fair market value of a company.

As of today (2026-07-30), Summer Energy Holdings's stock price is $0.0611. Summer Energy Holdings's Earnings per Share (Diluted) for the trailing twelve months (TTM) ended in Dec. 2025 was $-0.968. Therefore, Summer Energy Holdings's PE Ratio (TTM) for today is At Loss.


Summer Energy Holdings  (OTCPK:SUME) EV-to-FCF Explanation

EV-to-FCF is a valuation multiple that allows analysts and investors to compare stocks, preferably in the same sector or industry. This important multiple is often used in conjunction with, or as an alternative to, the PE Ratio (TTM) to determine the fair market value of a company.

Summer Energy Holdings's PE Ratio (TTM) for today is calculated as:

PE Ratio (TTM)=Share Price (Today)/Earnings per Share (Diluted) (TTM)
=0.0611/-0.968
=At Loss

Summer Energy Holdings's share price for today is $0.0611.
Summer Energy Holdings's Earnings per Share (Diluted) for the trailing twelve months (TTM) ended in Dec. 2025 adds up the quarterly data reported by the company within the most recent 12 months, which was $-0.968.

* 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.

Enterprise Value is used because it is a more complete measure in reflecting how much an investor pays when buying a company. Free Cash Flow is an important financial metric because it represents the actual amount of cash at a company's disposal. Companies with a low EV-to-FCF ratio, combined with a strong balance sheet are generally considered as undervalued.


Summer Energy Holdings EV-to-FCF Related Terms


Summer Energy Holdings EV-to-FCF Historical Data

* Premium members only.

The historical data trend for Summer Energy Holdings's EV-to-FCF 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 EV-to-FCF Chart

Summer Energy Holdings Annual Data
Trend Dec15 Dec16 Dec17 Dec18 Dec19 Dec21 Dec22 Dec23 Dec24 Dec25
EV-to-FCF
Get a 7-Day Free Trial Premium Member Only Premium Member Only 1.26 41.18 -6.12 7.74 -4.62

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
EV-to-FCF 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 7.74 17.32 5.71 -30.89 -4.62

SUME vs CETI, NEE, SO: EV-to-FCF Comparison

For the Utilities - Regulated Electric subindustry, Summer Energy Holdings's EV-to-FCF, along with its competitors' market caps and EV-to-FCF 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 EV-to-FCF vs Utilities - Regulated Industry

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

* The bar in red indicates where Summer Energy Holdings's EV-to-FCF falls into.



Summer Energy Holdings EV-to-FCF Calculation

Summer Energy Holdings's EV-to-FCF for today is calculated as:

EV-to-FCF=Enterprise Value (Today)/Free Cash Flow (TTM)
=18.823/-6.406
=-2.94

Summer Energy Holdings's current Enterprise Value is $18.8 Mil.
Summer Energy Holdings's Free Cash Flow for the trailing twelve months (TTM) ended in Dec. 2025 adds up the quarterly data reported by the company within the most recent 12 months, which was $-6.4 Mil.

* 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 EV-to-FCF →
What does a EV-to-FCF of -2.94 mean?
Summer Energy Holdings (SUME) has a EV-to-FCF of -2.94 as of Jul. 30, 2026. EV to FCF ratio is the company's enterprise value divided by free cash flow. View historical data on Summer Energy Holdings and its competitors. According to the industry distribution chart, Summer Energy Holdings ranks #999999 out of 299 companies in the Utilities - Regulated industry.
Is Summer Energy Holdings' EV-to-FCF too high?
Summer Energy Holdings' current EV-to-FCF is -2.94. Based on the distribution chart, Summer Energy Holdings ranks #999999 out of 299 companies in the Utilities - Regulated industry, which is in the bottom quartile relative to peers.
How does Summer Energy Holdings' EV-to-FCF compare to CETI and NEE?
According to the Utilities - Regulated industry distribution chart, Summer Energy Holdings ranks #999999 out of 299 companies for EV-to-FCF. This places Summer Energy Holdings in the lower half of its industry. The industry median EV-to-FCF is 18.63. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good EV-to-FCF for an Utilities - Regulated company?
The median EV-to-FCF among Utilities - Regulated companies is 18.63, based on 299 companies in the industry. Companies in the top quartile (top 25%) have a EV-to-FCF significantly above this median, while those in the bottom quartile fall well below. However, EV-to-FCF 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 EV-to-FCF mean?
A high EV-to-FCF can signal that a stock is expensive relative to its fundamentals. EV to FCF ratio is the company's enterprise value divided by free cash flow. View historical data on Summer Energy Holdings and its competitors. For the Utilities - Regulated industry, the median EV-to-FCF is 18.63 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Summer Energy Holdings's current EV-to-FCF is -2.94. 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 EV-to-FCF is -2.94. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is EV-to-FCF calculated?
EV-to-FCF is calculated from a company's financial statements. For Summer Energy Holdings (SUME), the current EV-to-FCF is -2.94 as of Jul. 30, 2026. 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.