olivLaw · European equity research
Quantum Data Energy PLC QDE.L
United Kingdom · London Stock Exchange · ISIN GB00BNG90H86 · Vertical: Listed companies from United Kingdom
Quantum Data Energy PLC develops and operates small flexible gas-fired power plants in the United Kingdom that supply backup energy at peak times to the grid. The company has expanded its project pipeline and is exploring power supply for AI data centres, in a context of high price volatility and rising demand for dispatchable capacity, while revenue from its single operating asset remains modest.
At the close of 05 Nov 2026, Quantum Data Energy PLC (QDE.L) stock was 0.02 GBP (−6.67% on the day), with market capitalisation 455.6 k GBP, beta -7.18, 52-week range 0.00–0.20 GBP.
Data as of · AI analysis dated · Source: ESEF annual reports and closing prices, computed by olivLaw.
Price history
Loading chart…
Technical reading
- RSI (14)
- 45.7
- neutral
- Bollinger (20, 2)
- 0.02 – 0.03
- in the lower half of the band · %B 0.22 · band width 33.8%
- SMA 50 / 200
- 0.02 / 0.17
- downtrend (price < SMA50 < SMA200)
- MACD (12, 26, 9)
- -0.00 / -0.00
- MACD below signal
Indicators describe past prices; on their own they do not predict direction. On our history the RSI ≤ 40 filter added no return (see the signals methodology).
Performance
| Company | EURO STOXX 50 | vs EURO STOXX 50 | Vertical median | |
|---|---|---|---|---|
| 1 month | −10.3% | −0.6% | −9.6 pp | — |
| 3 months | unavailable | −4.2% | unavailable | — |
| 6 months | +17,400.0% | +4.3% | +17,395.7 pp | — |
| Year to date | −48.7% | +7.5% | −56.2 pp | — |
| 1 year | −90.9% | +9.9% | −100.9 pp | +5.8% |
| 3 years | −95.8% | +49.8% | −145.6 pp | +26.3% |
| 5 years | −99.5% | +42.8% | −142.4 pp | — |
Price returns, dividends excluded.
Quarterly results
ESEF annual reports carry no quarters: the results are annual (below).
E/P over time
E/P = trailing-12-month diluted EPS / price at quarter end. E/P is the inverse of P/E and stays defined when earnings are negative.
Fiscal years
| Fiscal year | 2024 | 2025 |
|---|---|---|
| Revenue | 737.2 k | 1.6 m |
| Revenue YoY | unavailable | +121.0% |
| Net income | -1.1 m | -1.5 m |
| Net income YoY | unavailable | unavailable |
| Diluted EPS | -0.32 | -0.07 |
| Diluted EPS YoY | unavailable | unavailable |
| net % | -148.9% | -93.2% |
| Free cash flow | -2.9 m | -1.1 m |
Balance sheet & financial health
Fiscal year 2025 · 31 Dec 2025
- Cash
- 1.4 m GBP
- Financial debt
- unavailable GBP
- Net debt
- unavailable GBP
- Equity
- 1.1 m GBP
- Total assets
- 4.9 m GBP
- Debt / equity
- unavailable
- Current ratio
- unavailable
- ROE
- unavailable
- ROA
- -34.0%
- FCF margin
- -66.7%
Financial statements (source on every figure)
Revenue and net income (GBP)
Margins
Income statement · GBP
| Line | 2024 | 2025 | Source (latest year) |
|---|---|---|---|
| Revenue | 737.2 k | 1.6 m | esef· 02 Sept 2026verified |
| Cost of revenue | 441.5 k | 1.1 m | esef· 02 Sept 2026verified |
| Gross profit | 295.6 k | 496.3 k | esef· 02 Sept 2026verified |
| Operating income | -939.8 k | -1.2 m | esef· 02 Sept 2026verified |
| Interest expense | 244.6 k | 369.9 k | esef· 02 Sept 2026verified |
| Pre-tax income | -1.1 m | -1.5 m | esef· 02 Sept 2026verified |
| Income tax | 0 | 0 | esef· 02 Sept 2026verified |
| Net income | -1.1 m | -1.5 m | esef· 02 Sept 2026verified |
| Diluted EPS | -0.32 | -0.07 | esef· 02 Sept 2026verified |
Balance sheet · GBP
| Line | 2024 | 2025 | Source (latest year) |
|---|---|---|---|
| Cash | 146.4 k | 1.4 m | esef· 02 Sept 2026verified |
| Current assets | 510.9 k | 1.6 m | esef· 02 Sept 2026verified |
| Property, plant & equipment, net | 3.3 m | 3.2 m | esef· 02 Sept 2026verified |
| Intangibles (excl. goodwill) | 247.4 k | 0 | esef· 02 Sept 2026verified |
| Total assets | 4.0 m | 4.9 m | esef· 02 Sept 2026verified |
| Total liabilities | 5.3 m | 3.7 m | esef· 02 Sept 2026verified |
| Equity | -1.2 m | 1.1 m | esef· 02 Sept 2026verified |
| Shares outstanding at year end | 3.4 m | 21.7 m | esef· 02 Sept 2026derived |
Cash flow · GBP
| Line | 2024 | 2025 | Source (latest year) |
|---|---|---|---|
| Operating cash flow | -1.2 m | -1.1 m | esef· 02 Sept 2026verified |
| Capex | 1.6 m | 0 | esef· 02 Sept 2026verified |
| Free cash flow | -2.9 m ≈ | -1.1 m ≈ | esef· 02 Sept 2026derived |
| Investing cash flow | -1.1 m | -14.4 k | esef· 02 Sept 2026verified |
| Financing cash flow | 2.5 m | 2.4 m | esef· 02 Sept 2026verified |
≈ computed by olivLaw from the reported lines of the same year: Operating cash flow − Capex.
Computed indicators
Growth
Profitability
Returns
Balance sheet
Liquidity
Cash
Efficiency
Market and valuation
1 indicators that do not apply to the sector.
Valuation
olivLaw classification
- indicators available: 3 of at least 6
- score weight coverage: 20.8% of at least 60%
- valuation methods computed: 0 of at least 1
A scoring methodology on indicators and valuation, not investment advice.
Closing price
05 Nov 2026Source: olivLaw, closing series
Market cap: 455.6 k GBP
Key indicators
Coverage and freshness
Score by group
21% · Insufficient data
Estimated value range
unavailable — no valuation assumptions for the reporting currency
Valuation assumptions are editorial choices, not measured; beta is not measured.
Valuation methods
Assumptions (illustrative, editorial)
- Risk-free rate
- 6.5%
- Equity risk premium
- 6.0%
- Beta (default)
- 1.00
- Cost of equity
- 12.5%
- Terminal growth
- 3.0%
Factor scorecard
Insufficient data
Minimum-evidence gate: indicators available: 3 of at least 6; score weight coverage: 20.8% of at least 60%; valuation methods computed: 0 of at least 1
| Factor | Value | Score | Weight used |
|---|---|---|---|
| ROIC · Quality | unavailable | unavailable | — |
| Net margin · Quality | -93.2% | 9 (vs peers) | 30% |
| FCF conversion · Quality | unavailable | unavailable | — |
| Revenue CAGR 3Y · Growth | unavailable | unavailable | — |
| EPS CAGR 3Y · Growth | unavailable | unavailable | — |
| Net debt / EBITDA · Balance sheet | unavailable | unavailable | — |
| Interest coverage · Balance sheet | -3.2x | 0 (on a fixed band) | 30% |
| Current ratio · Balance sheet | unavailable | unavailable | — |
| P/E (TTM) · Valuation | unavailable | unavailable | — |
| EV/EBITDA · Valuation | unavailable | unavailable | — |
| FCF yield · Valuation | -238.6% | 0 (on a fixed band) | 40% |
| Shareholder yield (distributions) · Returns | unavailable | unavailable | — |
| Payout ratio (FCF) · Returns | unavailable | unavailable | — |
Factors without a value were dropped; the remaining weights were renormalised.
Score groups
- Balance sheet· partial0/100 · 1/3 factors with a value
- Growth· partialunavailable · 0/2 factors with a value
- Quality· partial9/100 · 1/3 factors with a value
- Returns· partialunavailable · 0/2 factors with a value
- Valuation· partial0/100 · 1/3 factors with a value
A «partial» group is computed from under half of its weight or from one factor: it is not a full assessment of the group.
Memo
QUANTUM DATA ENERGY PLC (QDE.L). Latest full fiscal year: 2025; data up to 2025-12-31.
Figures computed from the financial statements: revenue 1.6 m GBP in 2025; YoY growth 121.0%; net margin -93.2%.
Valuation cannot be computed from the available data.
Insufficient data for a verdict (indicators available: 3 of at least 6; score weight coverage: 20.8% of at least 60%; valuation methods computed: 0 of at least 1).
Text generated deterministically from the figures shown; no language model. Not investment advice.
What supports the thesis
No signal among the computed factors. That is not an absence of risk: factors without data were not assessed, and business risks (margins, inventory, demand) are in the source-based analysis.
What contradicts it
- Net margin: -93.2%
- Interest coverage: -3.2x
- FCF yield: -238.6%
Not assessed (insufficient data or a ratio without meaning): ROIC, FCF conversion, Revenue CAGR 3Y, EPS CAGR 3Y, Net debt / EBITDA, Current ratio, P/E (TTM), EV/EBITDA, Shareholder yield (distributions), Payout ratio (FCF).
Versus the vertical median
Listed companies from United Kingdom · same country · compared with 39 companies
Multiples and returns vs the median
Price rebased to 100 (monthly, 5 years)
Companies in the vertical
| Market cap | P/E | ROE | Net margin | Revenue YoY | 1A / 3A | |
|---|---|---|---|---|---|---|
| BATS.LBritish American Tobacco P.L.C. | 104.3 bn | 13.5 | 16.5% | 30.3% | −1.0% | +7% / +88% |
| ABF.LAssociated British Foods PLC | 14.7 bn | 14.3 | 9.2% | 5.3% | −3.1% | −5% / −15% |
| 0EV1.LCarnival PLC | 5.5 bn | 4.1 | 46.7% | 13.4% | +6.4% | unavailable / unavailable |
| BAB.LBabcock International Group PLC | 5.1 bn | 24.7 | 34.7% | 4.1% | +7.2% | −10% / +158% |
| AUTO.LAutotrader Group PLC | 4.8 bn | 16.4 | 60.2% | 47.1% | +3.9% | −13% / −23% |
| BBY.LBalfour Beatty PLC | 4.2 bn | 16.3 | 23.2% | 2.8% | +15.2% | +20% / +160% |
| ABDN.LAberdeen Group PLC | 4.1 bn | 10.8 | 8.0% | 28.9% | −2.1% | +11% / +41% |
| BKG.LThe Berkeley Group Holdings PLC | 3.6 bn | 11.3 | 8.8% | 13.4% | −4.2% | −0% / −22% |
| BME.LB&M European Value Retail PLC | 2.9 bn | 17.4 | 21.2% | 2.8% | +3.7% | +68% / −51% |
| AJB.LAj Bell PLC | 2.4 bn | 22.8 | 49.9% | 33.1% | +18.0% | +8% / +128% |
| ASHM.LAshmore Group PLC | 1.4 bn | 13.9 | 13.1% | 71.6% | −0.1% | +28% / +18% |
| BCG.LBaltic Classifieds Group PLC | 1.2 bn | 23.2 | 15.8% | 57.6% | +6.9% | −99% / −99% |
| APN.LApplied Nutrition PLC | 763.6 m | 36.2 | 41.2% | 19.7% | +24.2% | +71% / unavailable |
| BAG.LA.G. Barr P.L.C. | 671.9 m | 14.4 | 14.4% | 10.8% | +4.0% | −7% / +26% |
| ASC.LAsos PLC | 494.5 m | — | -81.3% | -12.0% | −14.7% | +71% / +8% |
| ALFA.LAlfa Financial Software Holdings PLC | 486.8 m | 16.3 | 61.5% | 23.8% | +15.3% | −28% / +10% |
| AML.LAston Martin Lagonda Global Holdings PLC | 344.3 m | — | -93.4% | -39.2% | −20.6% | −45% / −85% |
| APTD.LAptitude Software Group PLC | 111.3 m | 28.5 | 7.2% | 6.2% | −7.3% | −30% / −23% |
| AMGO.LAmigo Holdings PLC | 9.9 m | — | — | — | −81.9% | +325% / +844% |
| ASBE.LAssociated British Engineering PLC | 605.3 k | — | -19.1% | — | unavailable | unavailable / unavailable |
| QDE.LQuantum Data Energy PLC | 455.6 k | — | — | -93.2% | +121.0% | −99% / −96% |
| AMIF.LAmicorp Fs (uk) PLC | 221.6 k | 0.1 | 27.5% | 9.1% | +8.1% | unavailable / unavailable |
| AAF.LAirtel Africa PLC | — | — | 24.1% | 10.6% | +29.5% | −7% / +164% |
| AAL.LAnglo American PLC | — | — | -19.3% | -20.2% | +4.5% | +30% / +76% |
| ACG.LAcg Metals Limited | — | — | -80.3% | -32.0% | +134.8% | +60% / +63% |
1- and 3-year price returns: for QDE.L from daily closes (the same as the performance table), for the other companies from month-end closes.
olivLaw engine forecast
The world engine ran after the company's latest material disclosure. Probabilities are of TOUCHING a level within the horizon (not closing there) and sit next to the random walk (p_rw), the no-information benchmark.
The engine has no published run for this company yet.
Valuation scenarios (editable assumptions)
Illustrative scenarios
Illustrative: not forecasts and without probabilities. Each case is one coherent set of assumptions, computed on today's figures.
Estimated price (GBP)
| Estimated price | Bear | Base | Bull |
|---|---|---|---|
| 1 years | insufficient data Total return unavailable · Per year unavailable | insufficient data Total return unavailable · Per year unavailable | insufficient data Total return unavailable · Per year unavailable |
| 3 years | insufficient data Total return unavailable · Per year unavailable | insufficient data Total return unavailable · Per year unavailable | insufficient data Total return unavailable · Per year unavailable |
| 5 years | insufficient data Total return unavailable · Per year unavailable | insufficient data Total return unavailable · Per year unavailable | insufficient data Total return unavailable · Per year unavailable |
AI analysis
AI-generatedAI-generated analysis (Claude) from cited public sources; it may contain errors. Not investment advice. As of 27 Oct 2026 · Model: claude-haiku-5-5.
In brief
Quantum Data Energy PLC develops and operates small flexible gas-fired power plants in the United Kingdom that supply backup energy at peak times to the grid. The company has expanded its project pipeline and is exploring power supply for AI data centres, in a context of high price volatility and rising demand for dispatchable capacity, while revenue from its single operating asset remains modest 1.
SWOT
Strengths
- An operating asset that has grown revenue significantly and sells electricity above the market average.
- Long-term Capacity Market revenues that give visibility over cash flows.
- Corporate-level debt was reduced after the 2025 fundraise, which improves financial flexibility.
Weaknesses
- Almost total reliance on a single operating asset, Pyebridge, for revenue generation.
- Small company size with no direct employees, which limits the capacity to execute several projects at once.
- Important projects depend on financing and construction by external partners.
Opportunities
- Growing demand for backup power as wind and solar are integrated into the grid.
- Possible development of AI data centre and holiday park projects, if partnerships materialise.
- The portfolio of projects with confirmed grid access could be extended faster than competitors without such access.
Threats
- Grid connection reform can delay or block new projects.
- Decarbonisation policies may over time narrow the role of gas-fired plants.
- Falling wholesale prices could reduce margins of the asset already in operation.
Risks
- Concentration on a single assethigh
Revenue depends largely on Pyebridge; any technical or performance interruption would have a material effect on results.
- Grid connection delayshigh
The connection reform process may postpone projects under development, as happened at Stather Road.
- Execution of projects under constructionmedium
Hindlip and Bordesley must be completed on the targeted timetable; cost or schedule overruns could affect expected revenue.
- Wholesale price volatilitymedium
Realised prices could fall if market conditions normalise, reducing revenue from electricity sales.
- New strategies with high uncertaintylow
The AI data centre and holiday park projects are at an early stage and may not turn into significant revenue.
Investment thesis
What would need to be true (bull case)
- If Hindlip and Bordesley enter operation on schedule, the company could have more long-term contracted revenue-generating assets.
- Pyebridge has shown that flexible assets can achieve prices above the market average during periods of volatility.
- If demand for backup energy and for AI data centre power grows, the development portfolio could have significant potential.
What would break the thesis
- Revenue remains concentrated on one small asset, and dependence on it makes results sensitive to individual events.
- Many projects are still in development or funded by partners, which could limit the company's control over timing and outcomes.
- Grid connection reform and decarbonisation policies could reduce the long-term outlook for gas-fired projects.
What to watch
- Commercial start-up of the Hindlip plantQ3 2026
- Completion and production start at the Bordesley siteQ4 2026
- Pyebridge revenue and output in fiscal 20262026
Products, market & competition
AI-generatedAI-generated analysis (Claude) from cited public sources; it may contain errors. Not investment advice. As of 27 Oct 2026 · Model: claude-haiku-5-5.
The business
The company, incorporated in England and Wales, aims to acquire, develop and operate a portfolio of small flexible gas engine plants that can start quickly to balance the national grid. Its only operating asset is Pyebridge, an 8.1 MW plant in Derbyshire, which generated revenue of about £1.6 million in 2025, up roughly 121% on the prior year 1. The business model combines wholesale electricity sales with long-term capacity contracts and stakes in project companies 1.
The group is structured through a special purpose vehicle (SPV) for each site: Pyebridge (in production), Bordesley and Hindlip (in construction) and Stather Road (in development) 1. Hindlip is fully funded by an external partner, with the company keeping a 25% stake 1. The company changed its name in November 2025 to reflect its flexible power strategy 1.
Over the medium term, management is targeting the development or acquisition of a portfolio of over 300 MW of flexible capacity 1. That ambition depends on financing and access to grid connections, and its achievement is not assured.
Segments
Development and new strategies (AI and holiday parks)
The development portfolio includes projects acquired in July 2025, with a combined capacity of about 25 MW and a path to about 100 MW, together with initiatives for AI data centres and holiday parks 1. These segments are at an early stage and have no reported revenue.
Market context
Wholesale electricity prices have eased from the exceptional levels of 2022-2023 but remain structurally elevated and volatile, due to wind and solar intermittency and network constraints 1. In this setting, flexible gas plants remain essential for system stability and security of supply 1.
The UK capacity market, through the Capacity Market, offers long-term contracted revenue, and grid connection reform limits new capacity, which may favour projects already connected 1. Demand for reliable power for AI data centres is a new but still uncertain factor 1.
Trends
- Wholesale price volatilitytailwind
Intraday and seasonal swings create trading opportunities for flexible assets that can run in high-price windows, as Pyebridge has done 1.
- Electrification of transport and heatingmixed
Changing consumption patterns add pressure on the grid and could increase the need for backup capacity, but also add uncertainty over long-term volumes 1.
- Grid connection reformheadwind
Constraints and reform of the connection process can block new projects, as happened at Stather Road, but can also favour projects that already have confirmed access 1.
- Demand from AI data centrestailwind
Large announced investments in UK data centres could create demand for on-site backup energy if these projects materialise 1.
Competitive position
The company competes with other developers and operators of flexible gas plants in the United Kingdom for capacity contracts and for sites with grid connections. The supplied sources do not name competitors, so its competitive position cannot be compared directly.
The company's stated advantage lies in asset flexibility, capacity contracts and confirmed grid access for the acquired projects 1. In new markets such as AI data centres, competition and demand are still unclear.
- Independent UK flexible power developers and operators
The sources do not name competitors; they could be identified from Capacity Market registers.
- Gas plant operators with capacity contracts
They compete for the same UK capacity auctions.
- Energy solution providers for data centres
Potential players in the AI segment that could offer on-site backup power.
- Battery storage providers
A technological alternative for flexibility services, which the company mentions as a possible extension.
News & filings
In the press
No news in our archive over the last 180 days.
Annual reports (ESEF)
- Annual report 202502 Sept 2026
Sources
- [1] Annual report, fiscal year ended 2025-12-31 (ESEF) · SEC / Quantum Data Energy PLC · 31 Dec 2025
Figures computed by olivLaw from ESEF annual reports and closing prices; the qualitative analysis is AI-generated from cited sources. Not investment advice.