Grand Green Energy (ROCO:6639) Interest Expense: NT$-6.3 Mil (TTM As of Dec. 2025)

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.

ROCO:6639 Grand Green Energy Corp ROCO:6639
52 GF Score
Price NT$4.30
GF Value NT$4.27
Valuation Fairly Valued
! 4 Warning Signs
View Full Analysis

What is Grand Green Energy Interest Expense?

Grand Green Energy ROCO:6639 -1.15% 52 Interest Expense is NT$-6.3 Mil as of Dec. 2025. GuruFocus rates ROCO:6639 with a GF Score™ of 52/100 and a GF Value™ of NT$4.27 (Fairly Valued). The stock has 4 warning signs investors should review.

Interest Expense is the amount reported by a company or individual as an expense for borrowed money. Grand Green Energy's interest expense for the six months ended in Dec. 2025 was NT$ -2.8 Mil. Its interest expense for the trailing twelve months (TTM) ended in Dec. 2025 was NT$-6.3 Mil.

Interest Coverage is a ratio that determines how easily a company can pay interest expenses on outstanding debt. It is calculated by dividing a company's Operating Income(EBIT) by its Interest Expense. Grand Green Energy's Operating Income for the six months ended in Dec. 2025 was NT$ -28.4 Mil. Grand Green Energy's Interest Expense for the six months ended in Dec. 2025 was NT$ -2.8 Mil. Grand Green Energy did not have earnings to cover the interest expense. The higher the ratio, the stronger the company's financial strength is. Note: If both Interest Expense and Interest Income are empty, while Net Interest Income is negative, then use Net Interest Income as Interest Expense.

Grand Green Energy  (ROCO:6639) Interest Expense Explanation

Interest Coverage is a ratio that determines how easily a company can pay interest expenses on outstanding debt. It is calculated by dividing a company's Operating Income (EBIT) by its Interest Expense. The higher, the better.

Note: If both Interest Expense and Interest Income are empty, while Net Interest Income is negative, then use Net Interest Income as Interest Expense.

Grand Green Energy's Interest Expense for the six months ended in Dec. 2025 was NT$-2.8 Mil. Its Operating Income for the six months ended in Dec. 2025 was NT$-28.4 Mil. And its Long-Term Debt & Capital Lease Obligation for the six months ended in Dec. 2025 was NT$74.9 Mil.

Grand Green Energy's Interest Coverage for the quarter that ended in Dec. 2025 is calculated as

Grand Green Energy did not have earnings to cover the interest expense.

* 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.

The higher the ratio, the stronger the company's financial strength is.

Grand Green Energy Interest Expense Historical Data

* Premium members only.

The historical data trend for Grand Green Energy's Interest Expense 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.

Grand Green Energy Interest Expense Chart

Grand Green Energy Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Interest Expense
Get a 7-Day Free Trial Premium Member Only Premium Member Only -3.23 -6.32 -8.82 -7.01 -6.35

Grand Green Energy Semi-Annual Data
Dec15 Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
Interest Expense 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 -4.52 -4.08 -2.92 -3.50 -2.85
ROCO:6639
52GF Score
Grand Green Energy Corp ROCO:6639
Interest Expense is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Grand Green Energy Interest Expense Calculation

Interest Expense is the amount reported by a company or individual as an expense for borrowed money.

Interest Expense for the trailing twelve months (TTM) ended in Dec. 2025 adds up the semi-annually data reported by the company within the most recent 12 months, which was NT$-6.3 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 Interest Expense →
What does a Interest Expense of NT$-6.3 Mil mean?
Grand Green Energy (ROCO:6639) has a Interest Expense of NT$-6.3 Mil as of Dec. 2025. Interest Expense is the amount a company pays on its long-term debt. View historical data on Grand Green Energy and its competitors.
Is Grand Green Energy's Interest Expense too high?
Grand Green Energy's current Interest Expense is NT$-6.3 Mil. Overall, Grand Green Energy has a GF Score™ of 52/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Grand Green Energy's Interest Expense compare to GEV and ETN?
Grand Green Energy's Interest Expense of NT$-6.3 Mil can be compared against companies in the Industrial Products industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Interest Expense for an Industrial Products company?
A good Interest Expense depends on the Industrial Products industry context. However, Interest Expense 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 Interest Expense mean?
A high Interest Expense can signal that a stock is expensive relative to its fundamentals. Interest Expense is the amount a company pays on its long-term debt. View historical data on Grand Green Energy and its competitors. Grand Green Energy's current Interest Expense is NT$-6.3 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Grand Green Energy stock overvalued right now?
Based on GuruFocus' analysis, Grand Green Energy (ROCO:6639) is currently considered Fairly Valued. The stock's GF Value™ is NT$4.27, compared to a current price of NT$4.30 — trading 0.7% above its estimated fair value. The current Interest Expense is NT$-6.3 Mil. Grand Green Energy's overall GF Score™ is 52/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Interest Expense calculated?
Interest Expense is calculated from a company's financial statements. For Grand Green Energy (ROCO:6639), the current Interest Expense is NT$-6.3 Mil 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 Grand Green Energy (ROCO:6639) Overvalued in 2026?

Based on GuruFocus' analysis, Grand Green Energy stock appears to be overvalued. The current stock price of NT$4.30 is trading 0.7% above its estimated GF Value™ of NT$4.27. GuruFocus considers Grand Green Energy to be Fairly Valued.

Key valuation signals for ROCO:6639:

  • Interest Expense: NT$-6.3 Mil
  • GF Value™: NT$4.27 vs. price of NT$4.30 (0.7% above fair value)
  • GF Score™: 52/100 with 4 warning signs

No single metric tells the full story. See the ROCO:6639 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Grand Green Energy Business Description

Address No.192, Jinshan Street, Yangmei District, Taoyuan City, TWN, 326
Grand Green Energy Corp is mainly engaged in the development and sale of thermal energy supply system and other thermal equipment. The company caters to textile, food, chemical, and paper industry. It also offers air pollution emission equipment.
52GF Score

Get the complete analysis for ROCO:6639

Interest Expense is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

NT$4.30
Price
NT$4.27
GF Value