Invinity Energy Systems plc (IESVF)
For informational purposes only. Not financial advice. Analysis by Sedat ANAK, Founder & Editor-in-Chief | AI-powered analysis. Data sourced from SEC filings and institutional-grade financial providers. Editorially reviewed. Not financial advice.
Invinity Energy Systems plc (IESVF) trades at $0.38 with AI Score 41/100 (Grade C). Invinity Energy Systems plc specializes in manufacturing and selling vanadium flow batteries for energy storage across multiple continents. Market cap: $180.51M, Sector: Industrials.
Price live · AI analysis from Mar 16, 2026Analyst Coverage for IESVF: IESVF does not currently have published analyst price targets in our coverage universe. This is common for smaller-cap names with limited Wall Street coverage. In the absence of analyst consensus, our AI model evaluates IESVF against Industrials peers across nine fundamental dimensions and assigns an underweight signal based on the underlying data.
IESVF: the 1 perspectives are evenly split.
How is this calculated? →Invinity Energy Systems plc (IESVF) Industrial Operations Profile
Invinity Energy Systems plc, based in the UK, operates in the energy storage market, providing vanadium flow batteries to utilities, power producers, and commercial entities. With a focus on Asia, Australia, Europe, and North America, the company aims to address the growing demand for grid-scale energy storage solutions.
What Is the Investment Thesis for IESVF?
Invinity Energy Systems presents an investment opportunity within the growing energy storage sector, specifically in vanadium flow battery technology. The increasing demand for long-duration energy storage solutions, driven by the expansion of renewable energy sources, positions Invinity for potential growth. Key value drivers include expanding production capacity, securing large-scale deployments, and achieving cost reductions through economies of scale. However, the company's negative gross margin (-127.0%) and negative ROE (-32.5%) highlight significant financial challenges. The high debt-to-equity ratio of 4.40 also warrants careful consideration. Success hinges on Invinity's ability to scale production, improve profitability, and secure a significant share of the long-duration energy storage market.
Based on FMP financials and quantitative analysis
IESVF Key Highlights
- Market capitalization of $180.51M indicates a relatively small player in the energy storage market.
- Negative gross margin of -127.0% signals significant challenges in achieving profitability.
- Return on Equity (ROE) of -32.5% reflects poor profitability and inefficient use of equity.
- Debt-to-Equity ratio of 4.40 suggests a highly leveraged balance sheet, increasing financial risk.
- Free Cash Flow (FCF) of $-0.00B indicates the company is not generating positive cash flow from its operations.
Who Are IESVF's Competitors?
IESVF is benchmarked below against 8 industry peers on price, market cap, and our AI MoonshotScore.
| Company | Price | Change | Market Cap | AI Score |
|---|---|---|---|---|
| ESS Essex Property Trust, Inc. | $297.25 | -0.36% | $19.10B | 52 |
| SLDP Solid Power, Inc. | $2.62 | +3.97% | $483.84M | — |
| FCEL FuelCell Energy, Inc. | $29.59 | +5.25% | $1.57B | — |
| CRPHY Ceres Power Holdings plc | $3.34 | +0.30% | $1.43B | 69 |
| CPWHF Ceres Power Holdings plc | $6.83 | +0.80% | $1.46B | 69 |
| EOSEW Eos Energy Enterprises, Inc. | $1.47 | -34.96% | $423.22M | 67 |
| EOSE Eos Energy Enterprises, Inc. | $5.11 | -2.36% | $1.48B | 66 |
| TE T1 Energy Inc | $8.76 | +2.28% | $1.52B | 50 |
AI Score by Stock Expert AI · Price data: FMP / Yahoo Finance
What Are IESVF's Key Strengths?
- Specialized in vanadium flow battery technology.
- Long-duration energy storage capabilities.
- Serves diverse customer segments (utilities, C&I).
- Global presence in key energy storage markets.
What Are IESVF's Weaknesses?
- Negative gross margin and ROE.
- High debt-to-equity ratio.
- Limited financial resources compared to larger competitors.
- Reliance on external funding for growth.
What Could Drive IESVF Stock Higher?
- Increasing demand for long-duration energy storage solutions driven by renewable energy expansion.
- Potential for securing large-scale utility contracts in the next 1-2 years.
- Expansion into the North American energy storage market.
- Development and launch of integrated energy storage solutions within the next 1-2 years.
What Are the Key Risks for IESVF?
- Negative return on equity (-39.4%) — the business is not currently generating profit on shareholder capital.
- Weak fundamentals — a Piotroski F-Score of 2/9 flags soft profitability, leverage or efficiency.
- Negative gross margin and ROE indicate financial instability.
- High debt-to-equity ratio increases financial risk.
- Competition from lithium-ion batteries and other storage technologies.
- Fluctuations in vanadium prices impacting profitability.
- Regulatory changes impacting energy storage deployment.
What Are the Growth Opportunities for IESVF?
- Expanding into the North American Market: Invinity has the opportunity to increase its presence in the North American energy storage market, which is experiencing significant growth due to increasing renewable energy mandates and grid modernization initiatives. By establishing strategic partnerships and securing pilot projects, Invinity can demonstrate the value proposition of its vanadium flow batteries to utilities and commercial customers. The North American energy storage market is projected to reach multi-billion dollar valuation within the next five years.
- Securing Large-Scale Utility Contracts: Invinity can drive revenue growth by securing large-scale contracts with utilities seeking to integrate long-duration energy storage into their grid infrastructure. Vanadium flow batteries are well-suited for providing grid-scale energy storage, offering long discharge durations and high cycle life. By showcasing successful deployments and demonstrating cost-effectiveness, Invinity can position itself as a preferred provider of energy storage solutions for utilities. These contracts can be secured within the next 2-3 years.
- Penetrating the Commercial and Industrial (C&I) Sector: Invinity can expand its reach by targeting the commercial and industrial (C&I) sector, which is increasingly adopting energy storage solutions to reduce energy costs, improve power quality, and enhance resilience. Vanadium flow batteries can provide backup power, peak shaving, and demand response capabilities for C&I customers. By developing tailored solutions and partnering with energy service companies, Invinity can capture a significant share of the C&I energy storage market. This market segment is expected to grow substantially over the next 3-5 years.
- Developing Integrated Energy Storage Solutions: Invinity can enhance its value proposition by developing integrated energy storage solutions that combine vanadium flow batteries with other technologies, such as solar PV and microgrid controllers. By offering complete energy storage solutions, Invinity can simplify the deployment process for customers and increase its competitive advantage. These integrated solutions can be developed and launched within the next 1-2 years.
- Reducing Manufacturing Costs through Scale: As Invinity increases its production volume, it can achieve economies of scale and reduce its manufacturing costs. This will improve its competitiveness and enable it to offer more attractive pricing to customers. By investing in automation and optimizing its supply chain, Invinity can drive down its manufacturing costs and improve its profitability. Cost reductions are expected to be realized over the next 2-3 years as production volumes increase.
What Opportunities Does IESVF Have?
- Expanding into new geographic markets.
- Securing large-scale utility contracts.
- Penetrating the commercial and industrial sector.
- Developing integrated energy storage solutions.
What Threats Does IESVF Face?
- Competition from lithium-ion batteries and other storage technologies.
- Fluctuations in vanadium prices.
- Regulatory changes impacting energy storage deployment.
- Technological advancements rendering existing products obsolete.
What Are IESVF's Competitive Advantages?
- Proprietary vanadium flow battery technology.
- Long-duration energy storage capabilities.
- High cycle life of vanadium flow batteries.
- Established presence in key energy storage markets.
What Does IESVF Do?
Invinity Energy Systems plc, established in 2006 and headquartered in London, specializes in the design, manufacture, and sale of vanadium flow batteries (VFBs) and associated hardware. These batteries are primarily used for stationary energy storage applications, offering a long-duration, high-cycling alternative to lithium-ion batteries. The company's VFBs, marketed under the Invinity ENDURIUM and Invinity VS3 brands, cater to a diverse clientele, including utilities, independent power producers, and commercial and industrial entities. Invinity's geographic footprint spans Asia, Australia, Europe, and North America, reflecting its ambition to be a global leader in the VFB market. The company targets applications such as grid-scale energy storage, microgrids, and behind-the-meter storage for commercial and industrial customers. Invinity aims to provide reliable, long-lasting energy storage solutions that support the integration of renewable energy sources and enhance grid stability. Invinity continues to innovate in VFB technology, focusing on improving energy density, reducing costs, and expanding the range of applications for its products.
What Products and Services Does IESVF Offer?
- Manufactures vanadium flow batteries (VFBs).
- Sells VFBs to utilities and power producers.
- Provides energy storage solutions for commercial and industrial clients.
- Offers long-duration energy storage capabilities.
- Supports grid stabilization through energy storage.
- Facilitates the integration of renewable energy sources.
- Markets products under the Invinity ENDURIUM and Invinity VS3 brands.
How Does IESVF Make Money?
- Sells vanadium flow batteries and related hardware.
- Provides installation and maintenance services.
- Generates revenue from project development and consulting.
- Focuses on long-term energy storage solutions.
What Industry Does IESVF Operate In?
Invinity Energy Systems operates within the rapidly expanding energy storage market, driven by the increasing adoption of renewable energy sources and the need for grid stabilization. The industry is characterized by intense competition, with various technologies vying for market share, including lithium-ion batteries, flow batteries, and other emerging storage solutions. The vanadium flow battery segment, in which Invinity specializes, is gaining traction due to its long lifespan, high cycle life, and non-flammability. The global energy storage market is projected to reach significant value in the coming years, presenting substantial opportunities for companies like Invinity.
Who Are IESVF's Key Customers?
- Utilities seeking grid-scale energy storage.
- Independent power producers integrating renewable energy.
- Commercial and industrial businesses needing backup power.
- Microgrid operators requiring energy storage solutions.
How Invinity Energy Systems plc Is Valued
Invinity Energy Systems plc carries a market capitalization of $180.51M, placing it in the micro-cap category. Relative to its peer group, IESVF's quantitative score of 41/100 is below the peer average of 63/100.
Company Profile
Invinity Energy Systems plc operates in the Renewable Utilities industry within the Utilities sector. It is headquartered in Saint Helier, JE. The company is led by CEO Jonathan Anthony Frank Marren. IESVF has traded publicly since 2020.
ROE -39%Key Financial Metrics
Return on equity for Invinity Energy Systems plc stands at -39.4%, a gauge of how efficiently it converts shareholder capital into profit. Return on assets is -29.7%, showing how much profit it generates from its asset base. Its free cash flow yield is -23.4%, a gauge of the cash the business throws off relative to its market value. A current ratio of 3.81 indicates the company holds enough short-term assets to cover its near-term obligations. Its earnings yield is -16.7%, the inverse of the P/E and a quick read on earnings relative to price.
F-Score 2/9Financial Health
Invinity Energy Systems plc's Piotroski F-Score is 2/9, a 9-point checklist of profitability, leverage and efficiency — flagging fundamental weakness worth scrutiny. Its Altman Z-Score of 5.17 places it in the safe zone, indicating low near-term bankruptcy risk.
FY2026 estForward Outlook
Wall Street analysts project Invinity Energy Systems plc revenue of about $13.3M for fiscal 2026, with EPS near $-0.04. The estimate reflects 3 contributing analysts.
IESVF Financials
Fundamental Snapshot
Based on FMP financials and quantitative analysis · FY 2025
Bull Case vs Bear Case
Bull Case
- Specialized in vanadium flow battery technology.
- Long-duration energy storage capabilities.
- Serves diverse customer segments (utilities, C&I).
- Global presence in key energy storage markets.
Bear Case
- Negative gross margin and ROE.
- High debt-to-equity ratio.
- Limited financial resources compared to larger competitors.
- Reliance on external funding for growth.
AI-generated arguments based on insider flow, news sentiment and technicals — not financial advice · July 2026
IESVF Latest News
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Invinity Energy Sys Plc. (IESVF) Q4 2025 Earnings Call Transcript
seekingalpha.com · Jun 8, 2026
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Invinity Energy Systems shares soar as it lands spot on AI datacentre battery project
proactiveinvestors.com · May 21, 2026
IESVF Analyst Consensus
Consensus Rating
Aggregated Buy/Hold/Sell recommendations from Benzinga, Yahoo Finance, and Finnhub for IESVF.
Price Targets
Wall Street price target analysis for IESVF.
IESVF MoonshotScore
What does this score mean?
The MoonshotScore rates IESVF's growth potential on a scale of 0-100 across multiple factors including innovation, market disruption, financial health, and momentum.
IESVF OTC Market Information
The OTC Other tier represents the lowest tier of the OTC market, indicating that Invinity Energy Systems plc may not meet the minimum financial standards or reporting requirements of higher tiers like OTCQX or OTCQB. Companies in this tier may have limited operating history, be in financial distress, or choose not to comply with stricter disclosure standards. Investing in companies on the OTC Other tier carries significant risks due to the potential for limited information and increased volatility compared to exchange-listed stocks.
- OTC Tier: OTC Other
- Disclosure Status: Unknown
- Limited financial disclosure increases information asymmetry.
- Lower trading volume can lead to price volatility.
- Potential for wider bid-ask spreads increases transaction costs.
- Higher risk of fraud or manipulation compared to exchange-listed stocks.
- OTC Other tier companies may have limited operating history or be in financial distress.
- Verify the company's registration and legal standing.
- Review available financial statements and disclosures.
- Assess the company's management team and track record.
- Research the company's industry and competitive landscape.
- Evaluate the company's business model and revenue streams.
- Understand the risks associated with investing in OTC stocks.
- Consult with a financial advisor before investing.
- Company has an operating history since 2006.
- Company has a physical headquarters in London, UK.
- Company serves recognizable industries (utilities, power producers).
- Company has a global presence (Asia, Australia, Europe, North America).
Invinity Energy Systems plc Industrials Stock: Key Questions Answered
What does Invinity Energy Systems plc do?
Invinity Energy Systems plc specializes in the design, manufacture, and sale of vanadium flow batteries (VFBs) for stationary energy storage applications. These batteries offer long-duration storage capabilities, making them suitable for grid-scale energy storage, microgrids, and behind-the-meter storage for commercial and industrial customers. The company's VFBs, marketed under the Invinity ENDURIUM and Invinity VS3 brands, provide a reliable and long-lasting alternative to lithium-ion batteries, supporting the integration of renewable energy sources and enhancing grid stability. Invinity serves utilities, independent power producers, and commercial and industrial entities across Asia, Australia, Europe, and North America.
What are the main risks for IESVF?
The main risks for Invinity Energy Systems plc include its negative gross margin and ROE, indicating significant financial challenges. The high debt-to-equity ratio also poses a financial risk. Competition from lithium-ion batteries and other energy storage technologies could limit market share. Fluctuations in vanadium prices could impact profitability. Regulatory changes impacting energy storage deployment could also affect the company's growth prospects. Additionally, as an OTC-listed company, IESVF faces risks associated with limited liquidity and disclosure.
What are the key factors to evaluate for IESVF?
Invinity Energy Systems plc (IESVF) holds an AI score of 41/100 (low). Not financial advice.
How frequently does IESVF data refresh on this page?
IESVF prices update in real time during U.S. market hours. Fundamentals refresh after quarterly filings; analyst ratings and AI insights update daily; news is aggregated continuously.
What has driven IESVF's recent stock price performance?
Invinity Energy Systems plc (IESVF) moves on earnings results, analyst revisions, sector rotation, and market sentiment. Notable catalyst: Specialized in vanadium flow battery technology. See the News tab for the latest drivers. Past performance does not predict future results.
Should investors consider IESVF overvalued or undervalued right now?
Valuing Invinity Energy Systems plc (IESVF) requires multiple metrics. Compare P/E, P/S, and EV/EBITDA against sector peers for a full view.
What research should beginners do before buying IESVF?
Before investing in Invinity Energy Systems plc (IESVF), research these four areas: (1) the company's revenue model and competitive position (see Company Overview), (2) financial health through revenue growth, margins, and cash flow (see MoonshotScore), (3) what Wall Street analysts recommend and their price targets (see Analyst tab), and (4) specific risk factors that could impact the stock (see Risk Factors section).
Why might investors consider adding IESVF to a portfolio?
Key strength of Invinity Energy Systems plc (IESVF): Specialized in vanadium flow battery technology. Weigh rewards against risks and diversify. Not financial advice.
Disclaimer: This content is for informational purposes only and does not constitute investment advice. Always do your own research and consult a financial advisor.
Official Resources
Data provided for informational purposes only.
- Financial data is based on the most recent available information.
- OTC market data may be less reliable than exchange-listed data.