# Noak Raises EUR5m for Tandem Solar Development [![David Coleman](/uploads_resolved/images/261/320.webp) Author profile for David Coleman](/authors/david-coleman/ "Author profile for David Coleman")[LinkedIn profile for David Coleman](https://www.linkedin.com/in/david-martyn-coleman/ "LinkedIn profile for David Coleman")[David Coleman](/authors/david-coleman/ "Author profile for David Coleman") Founder & Renewable Energy Author, kilowatts.uk Article # Noak tandem solar: what EUR5 million of seed funding does and does not establish Published 2026-11-05 20:05:39 Updated 2026-11-05 12:05:49 Noak has raised EUR5 million to develop perovskite-silicon tandem solar. What the European spinout means for UK buyers, and what remains unproven. [ Preferred on Google ](https://www.google.com/preferences/source) ![Illustration of a UK home with rooftop solar panels and a home battery.](/uploads_resolved/images/604/320.webp) ## Home energy decisions and the latest developments Illustration of a home energy system; it does not depict a product or installation announced in this article. *Published 5 November 2026. EnergyVille's primary announcement is dated 29 October; the radar file is a later research snapshot.* Noak, a spinout of imec and Hasselt University within EnergyVille, has raised **EUR5 million** to develop perovskite-silicon tandem solar towards industrial production. It is a company-development milestone, rather than the launch of a panel UK households can order. For buyers following higher-efficiency solar, distinguish a promising cell architecture from a finished module with a price, certification and warranty. ## What the announcement says [EnergyVille's 29 October announcement](https://energyville.be/en/news/noak-new-spin-imec-and-hasselt-university-raises-eur5-million-industrialize-next-generation) identifies seed funding from Helios Foundation, Nuhma and V2HFin. Development will use existing facilities in Genk while preparing for manufacturing partnerships. It describes research experience including five years of outdoor operation across more than ten sites. It does not publish a specific commercial module's dimensions, certified efficiency, degradation curve or warranty. The technology's potential efficiency range cannot substitute for those product results. ## Why combine perovskite and silicon? A tandem combines light-absorbing materials to use different parts of sunlight within a device. The attraction for a roof is more generating capacity in limited space, provided the complete module performs reliably. A roof system is bought for years of operation through changing weather and temperature. Efficiency measured under controlled conditions answers only part of that purchase question. ## Outdoor evidence and a warranty are different Outdoor tests can reveal behaviour laboratory tests miss. To assess their value, buyers still need details about device construction, sample numbers, conditions and what changed over time. Production control also matters. A strong result from selected research devices differs from consistent factory output. Useful next milestones include specified modules, independent tests, manufacturing plans and commercial support. ## What UK homeowners can compare today If roof space is tight, compare current quotes using the same usable area and a realistic layout. Check dimensions, shading, expected output, installed cost and warranty support. Keep future potential separate from equipment actually supplied under the quote. If you can wait, a watch list is more useful than speculative payback. Record whether each milestone concerns a cell, mini-module, full module or production line. Research and fundraising announcements should not be mistaken for successive product launches. ## What to watch from Noak next Look for named manufacturing partners, a specified product, independent performance results and a route to long-term support. Funding advances the industrialisation effort, but those further steps will determine what it offers a UK customer. Tags: [Solar technology](/tags/solar-technology/ "Solar technology")[Perovskite](/tags/perovskite/ "Perovskite")[Tandem solar](/tags/tandem-solar/ "Tandem solar") [ Preferred on Google ](https://www.google.com/preferences/source) Solar comparison ## Compare solar for your property Enter your postcode to assess your roof, compare solar options and get quotes from UK installers. - Free postcode start - Home, business and industrial - RoboMo™ maps your roof ## See which panels fit your roof Choose home, business or industrial, then enter your postcode. RoboMo maps the roof and ranks panel brands by fit. - Home - Business - Industrial UK postcode Fast, free and no obligation to proceed. **1. Postcode** Start the assessment for your property. **2. Pin the roof** Mark the array on the map. **3. Compare** RoboMo™ builds your options. ![Battery storage ROI calculator](/uploads_resolved/images/1012/320.webp) Battery ROI tool ## See what a battery saves on your bill Enter the day rate, off-peak rate and export rate. The calculator ranks batteries in the Kilowatts shop over 10 years. Home batteries also suit offices and small commercial sites. [ **Home** Houses and flats ](/services/residential/renewable-energy/residential-solar-panel-installation/batteries/)[ **Business** Offices and small sites ](/services/commercial/renewable-energy/commercial-solar-panel-installation/batteries/)[ **Industrial** Factories and warehouses](/services/industrial/renewable-energy/industrial-solar-battery-storage/#get-quote-now) [Shop batteries](/shop/kilowatts-uk/range/solar-batteries/) ## Related services - [fitting an EV charger at home](/services/residential/electric-vehicle-infrastructure/residential-ev-charger-installation/) - [arc fault (AFDD) protection for homes](/services/residential/general-electrical-work/residential-afdd-installation/) - [home ventilation fan installation](/services/residential/heating-cooling-ventilation/residential-ventilation-fan/) - [home smart lighting systems](/services/residential/smart-home-security/residential-smart-lighting/) Reading ## Sources & further reading [![Lithium-Sulphur Battery and Perovskite Solar Drone Completes Two-Hour Flight](/uploads_resolved/images/853/320.webp)Lithium-Sulphur Battery and Perovskite Solar Drone Completes Two-Hour Flight A lithium-sulphur battery drone with perovskite solar cells flew almost two hours. What the test does and does not prove for UK energy sites. Read article](/resources/yesterday-uk/ "Lithium-Sulphur Battery and Perovskite Solar Drone Completes Two-Hour Flight")[![Do Solar Panels Die After 25 Years. The Truth About Panel Lifespan](/uploads_resolved/images/305/320.webp)Do Solar Panels Die After 25 Years. The Truth About Panel Lifespan Read article](/resources/solar-panels-do-not-die-after-25-years/ "Do Solar Panels Die After 25 Years. The Truth About Panel Lifespan")[Perovskite Mini-Module Reaches 23.9%: What It Means A peer-reviewed study reports a certified 23.9% perovskite mini-module. Understand its 19.48 cm2 test area and the gap between a lab result and roof panels. Read article](/resources/perovskite-mini-module-fill-factor-239-percent/ "Perovskite Mini-Module Reaches 23.9%: What It Means")[Illumion Battery Imaging: What the GBP1.7m Raise Funds Cambridge spinout Illumion has raised GBP1.7 million for battery imaging technology. 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Free authors can put one followed link to their own site in articles each month. [Write for us](/write-for-us/) [Register or sign in](/login/) ## Frequently Asked Questions ### Has Noak launched a UK retail panel? The 29 October announcement concerns seed funding and industrialisation. It gives no retail module price, UK launch date or warranty. ### Is 30-35% a certified commercial module result? No. A potential range for tandem technology differs from a certified result for a specified product. ### Why distinguish cells from modules? A module combines cells, connections, protective materials and manufacturing processes. Cell performance does not establish the finished panel output or durability.