Greenrock Energy Co (ROCO:7833) FCF Margin %: -86.08% (As of Dec. 2025)

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ROCO:7833 Greenrock Energy Co Ltd ROCO:7833
7 GF Score
Price NT$21.90
! 6 Warning Signs
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What is Greenrock Energy Co FCF Margin %?

Greenrock Energy Co ROCO:7833 +1.62% 7 FCF Margin % is -86.08% as of Dec. 2025. GuruFocus rates ROCO:7833 with a GF Score™ of 7/100. The stock has 6 warning signs investors should review. Among 418 Utilities - Independent Power Producers companies, Greenrock Energy Co ranks worse than 79.43% on this metric.

FCF Margin % is calculated as Free Cash Flow divided by its Revenue. Greenrock Energy Co's Free Cash Flow for the six months ended in Dec. 2025 was NT$-304.2 Mil. Greenrock Energy Co's Revenue for the six months ended in Dec. 2025 was NT$353.4 Mil. Therefore, Greenrock Energy Co's FCF Margin % for the quarter that ended in Dec. 2025 was -86.08%.

As of today, Greenrock Energy Co's current FCF Yield % is -48.74%.

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

ROCO:7833' s FCF Margin % Range Over the Past 10 Years
Min: -119.25   Med: -81.2   Max: -51.4
Current: -51.4

During the past 3 years, the highest FCF Margin % of Greenrock Energy Co was -51.40%. The lowest was -119.25%. And the median was -81.20%.

ROCO:7833's FCF Margin % is ranked worse than
79.43% of 418 companies
in the Utilities - Independent Power Producers industry
Industry Median: 2.985 vs ROCO:7833: -51.40

Greenrock Energy Co FCF Margin % Related Terms

Greenrock Energy Co FCF Margin % Historical Data

* Premium members only.

The historical data trend for Greenrock Energy Co'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.

Greenrock Energy Co FCF Margin % Chart

Greenrock Energy Co Annual Data
Trend Dec23 Dec24 Dec25
FCF Margin %
-119.25 -81.20 -51.40

Greenrock Energy Co Semi-Annual Data
Dec23 Jun24 Dec24 Jun25 Dec25
FCF Margin % 0.00 -190.56 -48.58 -28.70 -86.08

Greenrock Energy Co FCF Margin % Competitor Comparison

For the Utilities - Renewable subindustry, Greenrock Energy Co'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.

Greenrock Energy Co FCF Margin % vs Utilities - Independent Power Producers Industry

For the Utilities - Independent Power Producers industry and Utilities sector, Greenrock Energy Co's FCF Margin % distribution charts can be found below:

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


ROCO:7833
7GF Score
Greenrock Energy Co Ltd ROCO:7833
FCF Margin % is just one metric. See GF Score™, valuation, warning signs, and more.
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Greenrock Energy Co FCF Margin % Calculation

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

Greenrock Energy Co'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 )
=-459.145/893.218
=-51.40 %

Greenrock Energy Co'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 )
=-304.229/353.416
=-86.08 %

* 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 -86.08% mean?
Greenrock Energy Co (ROCO:7833) has a FCF Margin % of -86.08% as of Dec. 2025. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Greenrock Energy Co and its competitors. According to the industry distribution chart, Greenrock Energy Co ranks #332 out of 418 companies in the Utilities - Independent Power Producers industry, placing it in the top 79.4%.
Is Greenrock Energy Co's FCF Margin % too high?
Greenrock Energy Co's current FCF Margin % is -86.08%. Based on the distribution chart, Greenrock Energy Co ranks #332 out of 418 companies in the Utilities - Independent Power Producers industry, which is in the bottom quartile relative to peers. Overall, Greenrock Energy Co has a GF Score™ of 7/100, reflecting its overall financial health beyond just this single metric.
How does Greenrock Energy Co's FCF Margin % compare to competitors?
According to the Utilities - Independent Power Producers industry distribution chart, Greenrock Energy Co ranks #332 out of 418 companies for FCF Margin %. This places Greenrock Energy Co in the lower half of its industry. The industry median FCF Margin % is 2.99. 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 - Independent Power Producers company?
The median FCF Margin % among Utilities - Independent Power Producers companies is 2.99, based on 418 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 Greenrock Energy Co and its competitors. For the Utilities - Independent Power Producers industry, the median FCF Margin % is 2.99 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Greenrock Energy Co's current FCF Margin % is -86.08%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Greenrock Energy Co stock overvalued right now?
Greenrock Energy Co (ROCO:7833) has a current FCF Margin % of -86.08%. The current FCF Margin % is -86.08%. Greenrock Energy Co's overall GF Score™ is 7/100 with 6 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 Greenrock Energy Co (ROCO:7833), the current FCF Margin % is -86.08% 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.

Greenrock Energy Co Business Description

Address Ciyun Road, 13th Floor, 6-8, No.118, East District, Hsinchu, TWN
Greenrock Energy Co Ltd is engaged in the development of renewable and clean energy. The core business of the company includes energy generation (power plant development and investment), EPC services (engineering, procurement, and construction), and energy storage solutions. The company provides comprehensive renewable energy services, covering solar power plant development, EPC project execution, integrated system operations and maintenance, and green energy trading platform development.
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FCF Margin % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

NT$21.90
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