IESVF (Invinity Energy Systems) Effective Interest Rate on Debt %: 7.94% (As of Dec. 2025)

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IESVF Invinity Energy Systems PLC IESVF
56 GF Score
Price $0.39
GF Value $0.12
Valuation Significantly Overvalued
! 6 Warning Signs
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What is Invinity Energy Systems Effective Interest Rate on Debt %?

Invinity Energy Systems IESVF +2.04% 56 Effective Interest Rate on Debt % is 7.94% as of Dec. 2025. GuruFocus rates IESVF with a GF Score™ of 56/100 and a GF Value™ of $0.12 (Significantly Overvalued). The stock has 6 warning signs investors should review.

Effective Interest Rate on Debt % is the usage rate that a borrower actually pays on a debt. It is calculated as the positive value of Interest Expense divided by its average total debt. Total debt equals to Long-Term Debt & Capital Lease Obligation plus Short-Term Debt & Capital Lease Obligation. Invinity Energy Systems's annualized positive value of Interest Expense for the quarter that ended in Dec. 2025 was $0.24 Mil. Invinity Energy Systems's average total debt for the quarter that ended in Dec. 2025 was $3.00 Mil. Therefore, Invinity Energy Systems's annualized Effective Interest Rate on Debt % for the quarter that ended in Dec. 2025 was 7.94%.


Invinity Energy Systems  (OTCPK:IESVF) Effective Interest Rate on Debt % Explanation

Effective Interest Rate on Debt % measures the usage rate that a borrower actually pays on a debt.


Invinity Energy Systems Effective Interest Rate on Debt % Related Terms


Invinity Energy Systems Effective Interest Rate on Debt % Historical Data

* Premium members only.

The historical data trend for Invinity Energy Systems's Effective Interest Rate on Debt % 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.

Invinity Energy Systems Effective Interest Rate on Debt % Chart

Invinity Energy Systems Annual Data
Trend Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Effective Interest Rate on Debt %
Get a 7-Day Free Trial 5.88 5.09 59.26 6.52 8.18

Invinity Energy Systems Semi-Annual Data
Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
Effective Interest Rate on Debt % 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 -26.30 4.56 7.84 5.78 7.94

IESVF vs VRT, BE: Effective Interest Rate on Debt % Comparison

For the Electrical Equipment & Parts subindustry, Invinity Energy Systems's Effective Interest Rate on Debt %, along with its competitors' market caps and Effective Interest Rate on Debt % 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.


Invinity Energy Systems Effective Interest Rate on Debt % vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, Invinity Energy Systems's Effective Interest Rate on Debt % distribution charts can be found below:

* The bar in red indicates where Invinity Energy Systems's Effective Interest Rate on Debt % falls into.


IESVF
56GF Score
Invinity Energy Systems PLC IESVF
Effective Interest Rate on Debt % is just one metric. See GF Score™, valuation, warning signs, and more.
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Invinity Energy Systems Effective Interest Rate on Debt % Calculation

Invinity Energy Systems's annualized Effective Interest Rate on Debt % for the fiscal year that ended in Dec. 2025 is calculated as

Effective Interest Rate on Debt %
=-1  *  Interest Expense/( (Total Debt  (A: Dec. 2024 )+Total Debt  (A: Dec. 2025 ))/ count )
=-1  *  -0.197/( (2.143+2.671)/ 2 )
=-1  *  -0.197/2.407
=8.18 %

where

Total Debt  (A: Dec. 2024 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=1.448 + 0.695
=2.143

Total Debt  (A: Dec. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=1.81 + 0.861
=2.671

Invinity Energy Systems's annualized Effective Interest Rate on Debt % for the quarter that ended in Dec. 2025 is calculated as

Effective Interest Rate on Debt %
=-1  *  Interest Expense/( (Total Debt  (Q: Jun. 2025 )+Total Debt  (Q: Dec. 2025 ))/ count )
=-1  *  -0.238/( (3.326+2.671)/ 2 )
=-1  *  -0.238/2.9985
=7.94 %

where

Total Debt  (Q: Jun. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=2.426 + 0.9
=3.326

Total Debt  (Q: Dec. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=1.81 + 0.861
=2.671

* 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.

In the calculation of annual Effective Interest Rate on Debt %, the Interest Expense of the last fiscal year and the average total debt over the fiscal year are used. In calculating the quarterly data, the Interest Expense data used here is two times the semi-annual (Dec. 2025) interest expense data. Effective Interest Rate on Debt % is displayed in the 30-year financial page.

What does a Effective Interest Rate on Debt % of 7.94% mean?
Invinity Energy Systems (IESVF) has a Effective Interest Rate on Debt % of 7.94% as of Dec. 2025. Effective interest rate on debt is the rate a company actually pays on its debt. View historical data on Invinity Energy Systems and its competitors.
Is Invinity Energy Systems' Effective Interest Rate on Debt % too high?
Invinity Energy Systems' current Effective Interest Rate on Debt % is 7.94%. Overall, Invinity Energy Systems has a GF Score™ of 56/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Invinity Energy Systems' Effective Interest Rate on Debt % compare to VRT and BE?
Invinity Energy Systems' Effective Interest Rate on Debt % of 7.94% 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 Effective Interest Rate on Debt % for an Industrial Products company?
A good Effective Interest Rate on Debt % depends on the Industrial Products industry context. However, Effective Interest Rate on Debt % 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 Effective Interest Rate on Debt % mean?
A high Effective Interest Rate on Debt % can signal that a stock is expensive relative to its fundamentals. Effective interest rate on debt is the rate a company actually pays on its debt. View historical data on Invinity Energy Systems and its competitors. Invinity Energy Systems's current Effective Interest Rate on Debt % is 7.94%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Invinity Energy Systems stock overvalued right now?
Based on GuruFocus' analysis, Invinity Energy Systems (IESVF) is currently considered Significantly Overvalued. The stock's GF Value™ is $0.12, compared to a current price of $0.39 — trading 220.8% above its estimated fair value. The current Effective Interest Rate on Debt % is 7.94%. Invinity Energy Systems' overall GF Score™ is 56/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Effective Interest Rate on Debt % calculated?
Effective Interest Rate on Debt % is calculated from a company's financial statements. For Invinity Energy Systems (IESVF), the current Effective Interest Rate on Debt % is 7.94% 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 Invinity Energy Systems (IESVF) Overvalued in 2026?

Based on GuruFocus' analysis, Invinity Energy Systems stock appears to be overvalued. The current stock price of $0.39 is trading 220.8% above its estimated GF Value™ of $0.12. GuruFocus considers Invinity Energy Systems to be Significantly Overvalued.

Key valuation signals for IESVF:

  • Effective Interest Rate on Debt %: 7.94%
  • GF Value™: $0.12 vs. price of $0.39 (220.8% above fair value)
  • GF Score™: 56/100 with 6 warning signs

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


Invinity Energy Systems Business Description

Other Exchanges IES:UKA10:Germany
Address 24 Chiswell Street, Office 3.03, 3rd Floor, London, GBR, EC1Y 4TY
Invinity Energy Systems PLC operates in the manufacturing of vanadium flow battery systems and their related installation and other services. Its vanadium flow batteries are a form of heavy-duty, stationary energy storage, used in high-utilization applications such as being coupled with industrial-scale solar generation for distributed, low-carbon energy projects. The company's flow battery systems are ideal for commercial and industrial sites, grid network infrastructure projects, and off-grid applications, either standalone or alongside renewable energy such as solar PV. It generates the majority of its revenue from the sale of Battery systems and associated control systems.
56GF Score

Get the complete analysis for IESVF

Effective Interest Rate on Debt % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$0.39
Price
$0.12
GF Value