Invinity Energy Systems (IES) Stock Overview
Manufactures and sells vanadium flow batteries and related hardware for energy storage markets in Asia, Australia, Europe, and North America. More details
| Snowflake Score | |
|---|---|
| Valuation | 0/6 |
| Future Growth | 5/6 |
| Past Performance | 0/6 |
| Financial Health | 5/6 |
| Dividends | 0/6 |
IES Community Fair Values
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Analyst Price Targets
Top Community Narratives
UK£1
FV
63.5% undervalued intrinsic discount189
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Invinity Energy Systems plc Competitors
Price History & Performance
| Historical stock prices | |
|---|---|
| Current Share Price | UK£0.36 |
| 52 Week High | UK£0.41 |
| 52 Week Low | UK£0.15 |
| Beta | 1.06 |
| 1 Month Change | 108.57% |
| 3 Month Change | 100.00% |
| 1 Year Change | 128.13% |
| 3 Year Change | -13.10% |
| 5 Year Change | -73.74% |
| Change since IPO | -30.48% |
Recent News & Updates
Narrative Update • Jun 04
IES: Laufenburg And Copwood Projects Will Shape Future Revenue Profile
Analysts have adjusted their price target on Invinity Energy Systems to £0.35 from £0.33, citing updated assumptions around revenue growth, profit margins, discount rate and future P/E that modestly reshape their valuation view. What's in the News Invinity Energy Systems has been selected by FlexBase Group to design a GWh-scale vanadium flow battery of up to 1.5 GWh for the Technology Centre Laufenburg on the Switzerland Germany border, with FlexBase indicating potential expansion to 2.1 GWh in later phases.
Narrative Update • Jun 01
Invinity Energy Systems: 2025 Financial Results
Invinity Energy Systems plc (AIM: IES, OTC: IESVF), a leading global manufacturer of utility-grade energy storage, announces its Full Year Results for the year ended 31 December 2025. The Company will hold a virtual meeting for analysts at 9.30 a.m. today.Recent updates
Narrative Update • Jun 04
IES: Laufenburg And Copwood Projects Will Shape Future Revenue Profile
Analysts have adjusted their price target on Invinity Energy Systems to £0.35 from £0.33, citing updated assumptions around revenue growth, profit margins, discount rate and future P/E that modestly reshape their valuation view. What's in the News Invinity Energy Systems has been selected by FlexBase Group to design a GWh-scale vanadium flow battery of up to 1.5 GWh for the Technology Centre Laufenburg on the Switzerland Germany border, with FlexBase indicating potential expansion to 2.1 GWh in later phases.Narrative Update • Jun 01
Invinity Energy Systems: 2025 Financial Results
Invinity Energy Systems plc (AIM: IES, OTC: IESVF), a leading global manufacturer of utility-grade energy storage, announces its Full Year Results for the year ended 31 December 2025. The Company will hold a virtual meeting for analysts at 9.30 a.m. today.Narrative Update • May 22
Invinity Selected to Design World’s Largest GWh-Scale Vanadium Flow Battery System
Invinity Energy Systems plc (AIM: IES), a leading global manufacturer of utility-grade energy storage, is delighted to note FlexBase Group's announcement that, following an in-depth competitive selection process that reviewed proposals from flow battery manufacturers from across the world, it has selected Invinity to design a GWh-scale vanadium flow battery ("VFB") for deployment at the Technology Centre Laufenburg. Situated in the Swiss municipality of Laufenburg, which is located on the Switzerland-Germany border, the project will feature an AI datacentre and technology campus, integrated with a VFB of up to 1.5 GWh capacity - believed to be the world's largest to date.Narrative Update • May 20
IES: Copwood Utility Scale Project Will Drive Revenue Potential
Analysts have adjusted their price target on Invinity Energy Systems to £0.33 from £0.40, reflecting updated assumptions on revenue growth, profit margin, discount rate and future P/E. What's in the News Completion of delivery for a 20.7 MWh vanadium flow battery system at the Copwood VFB Energy Hub in East Sussex, paired with a 3 MWp solar array and described as expected to be Europe's largest vanadium flow battery and the first of its kind at this scale in the UK once operational (company announcement).
Narrative Update • May 03
IES: Steady Fair Value And Margins Will Support Future Upside Potential
Analysts have kept their price target for Invinity Energy Systems steady at £0.83, citing updated assumptions around discount rates, revenue growth, profit margins and future P/E that broadly offset one another in their valuation work. Valuation Changes Fair Value: £0.83 is unchanged, so the headline valuation anchor remains the same.Narrative Update • Apr 17
IES: Steady Fair Value And Rich Margins Will Support Upside Potential
Analysts have kept their fair value estimate for Invinity Energy Systems steady at £0.83, with small refinements to assumptions around discount rate, revenue growth, profit margin and future P/E helping to fine tune, rather than overhaul, their view on the shares. Valuation Changes Fair Value: Kept steady at £0.83 per share, with no change in the central valuation outcome.
Narrative Update • Apr 01
IES: Higher Profit Outlook And Premium Multiple Are Expected To Lift Shares
Analysts have kept their fair value estimate for Invinity Energy Systems steady at £0.62 per share, with only small model tweaks to the discount rate, revenue growth outlook and profit margin assumptions. A slightly higher future P/E also helps to justify the maintained price target.Narrative Update • Mar 17
IES: US Grid Storage Project Will Drive Long Duration Storage Upside
Analysts have kept their £0.83 fair value target for Invinity Energy Systems unchanged, citing updated assumptions that include a very large projected revenue growth rate, a slightly higher discount rate of 9.92% and a modestly lower future P/E estimate of 198.39x, alongside a small reduction in expected profit margins. What's in the News Invinity Energy Systems agreed to sell a 12 MWh Endurium vanadium flow battery system to Pacific Northwest National Laboratory for installation at PNNL's Richland, Washington campus, with delivery expected in the second half of 2026 (company client announcement).Narrative Update • Mar 03
IES: US And UK Grid Projects Will Drive Long Duration Storage Upside
Analysts have held their fair value estimate for Invinity Energy Systems steady at £0.83, with small tweaks to the discount rate, revenue growth expectations and future P/E assumptions shaping this unchanged price target. What's in the News Invinity agreed to sell a 12 MWh Endurium battery system to Pacific Northwest National Laboratory in Richland, Washington, with delivery of the batteries expected in the second half of 2026 and funding support from the U.S. Department of Energy (Key Developments).Narrative Update • Feb 16
IES: US Grid And UK Projects Will Drive Long Duration Storage Upside
Analysts have maintained their fair value estimate for Invinity Energy Systems at £0.83. This reflects slightly updated assumptions on discount rate, revenue growth and profit margins, without a clear shift in their overall price target view.Narrative Update • Feb 02
IES: US Grid Testing Will Support Long Duration Storage Upside
Analysts have kept their fair value estimate for Invinity Energy Systems broadly unchanged at £0.83, with only small tweaks to discount rate, revenue growth and profit margin assumptions, which feed into a slightly lower implied future P/E multiple. What's in the News Sale of a 12 MWh Endurium battery system to Pacific Northwest National Laboratory in Richland, Washington, to support long duration grid storage demonstrations, with delivery expected in the second half of 2026 (Client Announcement).Narrative Update • Jan 19
IES: US Testing And UK Projects Will Drive Long-Term Upside Potential
Analysts have adjusted their price target for Invinity Energy Systems to reflect an unchanged fair value estimate of £0.83 per share, together with updated assumptions for discount rate, revenue growth, profit margin and future P/E, which together shape a more refined view of the company’s risk and earnings potential. What's in the News Invinity agreed to sell a 12 MWh Endurium battery system to Pacific Northwest National Laboratory in Richland, Washington, with delivery of the batteries expected in the second half of 2026, supported by U.S. Department of Energy funding for projects using the company’s technology (Client Announcements).Narrative Update • Jan 05
IES: US Testing And UK Projects Will Support Long-Term Upside Potential
Analysts have updated their price expectations for Invinity Energy Systems, maintaining the fair value estimate at £0.83 while refining key inputs such as the discount rate, revenue growth assumptions, profit margin outlook and future P/E estimates to reflect revised views on the business. What's in the News Invinity agreed to sell a 12 MWh Endurium battery system to Pacific Northwest National Laboratory in Richland, Washington, for a project focused on long duration grid services using vanadium flow batteries, with delivery targeted for the second half of 2026 (Client Announcements).Narrative Update • Dec 14
IES: Grid Storage Projects And Testing Will Support Long-Term Upside Potential
Analysts have lowered their price target on Invinity Energy Systems from £1.05 to £0.83 per share, citing higher perceived risk, moderating long term profit margin expectations, and a still elevated but somewhat less demanding future earnings multiple, even as they factor in stronger projected revenue growth. What's in the News The U.S. Department of Energy's Pacific Northwest National Laboratory has begun year-long real-world testing of an Invinity vanadium flow battery at its new Grid Storage Launchpad to assess how grid-scale batteries can support the U.S. grid (Key Developments).Narrative Update • Nov 30
IES: Award Win And Mega-Scale Battery Project Will Lift Shares In 2026
Analysts have slightly reduced their price target for Invinity Energy Systems from £0.62 to £0.61. This adjustment is due to marginal changes in profit margin expectations and discount rate assumptions.Narrative Update • Nov 16
IES: New Equity Raise And Product Launch Will Drive Share Price Momentum
Narrative Update: Invinity Energy Systems Price Target Revision Analysts have modestly raised their price target for Invinity Energy Systems. They cite a stable fair value at £0.62 and an expected increase in the company’s future price-to-earnings ratio, balanced against slightly softer profit margin projections.Narrative Update • Nov 01
IES: Revenue Acceleration And Profit Recovery Will Drive Future Upside Potential
Narrative Update on Invinity Energy Systems Analysts have maintained the fair value estimate for Invinity Energy Systems at £0.62. They cite improved revenue growth and a significantly stronger projected profit margin as key factors supporting their outlook.Narrative Update • Oct 18
Global Incentives And Decarbonization Trends Will Expand Grid Energy Storage
Analysts have slightly reduced their price target for Invinity Energy Systems from £0.63 to £0.62, citing modest adjustments to discount rates and future earnings projections. What's in the News Completed a £25 million follow-on equity offering by issuing over 128 million new ordinary shares at £0.195 each (Key Developments) Formally launched Endurium Enterprise, a modular vanadium flow battery platform designed for commercial and industrial energy storage.Narrative Update • Oct 04
Global Incentives And Decarbonization Trends Will Expand Grid Energy Storage
Analysts have revised their price target for Invinity Energy Systems downward from £0.70 to £0.63 per share. They cite updated forecasts that factor in stronger projected revenue growth, which is offset by a higher discount rate and slightly lower profit margin expectations.New Narrative • Jun 15
Global Incentives And Decarbonization Trends Will Expand Grid Energy Storage
Strong technology, cost reductions, policy-tailwinds, and strategic partnerships are positioning Invinity as a competitive provider in the growing non-lithium energy storage market.Analysis Article • Mar 21
What You Can Learn From Invinity Energy Systems plc's (LON:IES) P/S After Its 29% Share Price Crash
To the annoyance of some shareholders, Invinity Energy Systems plc ( LON:IES ) shares are down a considerable 29% in...Analysis Article • Dec 31
Invinity Energy Systems plc (LON:IES) Looks Just Right With A 36% Price Jump
Despite an already strong run, Invinity Energy Systems plc ( LON:IES ) shares have been powering on, with a gain of 36...Analysis Article • Dec 04
We Think Invinity Energy Systems (LON:IES) Needs To Drive Business Growth Carefully
Even when a business is losing money, it's possible for shareholders to make money if they buy a good business at the...Analysis Article • Oct 25
Revenues Tell The Story For Invinity Energy Systems plc (LON:IES) As Its Stock Soars 35%
Invinity Energy Systems plc ( LON:IES ) shareholders are no doubt pleased to see that the share price has bounced 35...Analysis Article • Sep 07
Invinity Energy Systems plc (LON:IES) Might Not Be As Mispriced As It Looks After Plunging 46%
Invinity Energy Systems plc ( LON:IES ) shareholders that were waiting for something to happen have been dealt a blow...Analysis Article • Jul 16
What Invinity Energy Systems plc's (LON:IES) 28% Share Price Gain Is Not Telling You
Invinity Energy Systems plc ( LON:IES ) shareholders would be excited to see that the share price has had a great...Analysis Article • Jun 30
Earnings Update: Invinity Energy Systems plc (LON:IES) Just Reported Its Annual Results And Analysts Are Updating Their Forecasts
Invinity Energy Systems plc ( LON:IES ) missed earnings with its latest annual results, disappointing overly-optimistic...Analysis Article • Jan 19
Why We're Not Concerned About Invinity Energy Systems plc's (LON:IES) Share Price
When you see that almost half of the companies in the Electrical industry in the United Kingdom have price-to-sales...Analysis Article • Oct 03
What Invinity Energy Systems plc's (LON:IES) P/S Is Not Telling You
With a price-to-sales (or "P/S") ratio of 5.1x Invinity Energy Systems plc ( LON:IES ) may be sending very bearish...Analysis Article • Jun 29
Is Invinity Energy Systems (LON:IES) In A Good Position To Deliver On Growth Plans?
We can readily understand why investors are attracted to unprofitable companies. For example, biotech and mining...Shareholder Returns
| IES | GB Electrical | GB Market | |
|---|---|---|---|
| 7D | -2.7% | -7.3% | -0.02% |
| 1Y | 128.1% | -1.0% | 16.8% |
Return vs Industry: IES exceeded the UK Electrical industry which returned -0.1% over the past year.
Return vs Market: IES exceeded the UK Market which returned 16.7% over the past year.
Price Volatility
| IES volatility | |
|---|---|
| IES Average Weekly Movement | 13.8% |
| Electrical Industry Average Movement | 7.5% |
| Market Average Movement | 5.6% |
| 10% most volatile stocks in GB Market | 11.7% |
| 10% least volatile stocks in GB Market | 3.2% |
Stable Share Price: IES's share price has been volatile over the past 3 months compared to the UK market.
Volatility Over Time: IES's weekly volatility (14%) has been stable over the past year, but is still higher than 75% of UK stocks.
About the Company
| Founded | Employees | CEO | Website |
|---|---|---|---|
| 2006 | 162 | Jonathan Anthony Marren | invinity.com |
Invinity Energy Systems plc manufactures and sells vanadium flow batteries and related hardware for energy storage markets in Asia, Australia, Europe, and North America. It also provides other services. The company sells its products under the Invinity ENDURIUM and Invinity VS3 brands.
Invinity Energy Systems plc Fundamentals Summary
| IES fundamental statistics | |
|---|---|
| Market cap | UK£207.60m |
| Earnings (TTM) | -UK£24.09m |
| Revenue (TTM) | UK£8.18m |
25.4x
P/S Ratio-8.6x
P/E RatioIs IES overvalued?
See Fair Value and valuation analysisEarnings & Revenue
| IES income statement (TTM) | |
|---|---|
| Revenue | UK£8.18m |
| Cost of Revenue | UK£11.10m |
| Gross Profit | -UK£2.92m |
| Other Expenses | UK£21.18m |
| Earnings | -UK£24.09m |
Last Reported Earnings
Dec 31, 2025
Next Earnings Date
n/a
| Earnings per share (EPS) | -0.042 |
| Gross Margin | -35.65% |
| Net Profit Margin | -294.48% |
| Debt/Equity Ratio | 0% |
How did IES perform over the long term?
See historical performance and comparisonCompany Analysis and Financial Data Status
| Data | Last Updated (UTC time) |
|---|---|
| Company Analysis | 2026/06/08 05:19 |
| End of Day Share Price | 2026/06/08 00:00 |
| Earnings | 2025/12/31 |
| Annual Earnings | 2025/12/31 |
Data Sources
The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.
| Package | Data | Timeframe | Example US Source * |
|---|---|---|---|
| Company Financials | 10 years |
| |
| Analyst Consensus Estimates | +3 years |
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| Market Prices | 30 years |
| |
| Ownership | 10 years |
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| Management | 10 years |
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| Key Developments | 10 years |
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* Example for US securities, for non-US equivalent regulatory forms and sources are used.
Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.
Analysis Model and Snowflake
Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.
Learn about the world class team who designed and built the Simply Wall St analysis model.
Industry and Sector Metrics
Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.
Analyst Sources
Invinity Energy Systems plc is covered by 5 analysts. 2 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.
| Analyst | Institution |
|---|---|
| Alexander Brooks | Canaccord Genuity |
| Adam Forsyth | Longspur Clean Energy |
| Max Campbell | Longspur Clean Energy |