Energy autonomy
Integrated light harvesting, LiFePO₄ storage and digital cooking management in one portable solution.
Clean cooking · Autonomous energy
Cook anywhere.
Off-grid.
Fuel-free.
A patented French technology that captures solar, diffuse natural or artificial light, stores it and turns it into clean cooking energy.
✦ French + PCT patents▣ 24 V — 40 Ah LiFePO₄ battery◌ Clean Cooking
01 Capture02 Store03 Cook
2.6 bnpeople without access to clean cooking
€1.5–3mtarget funding round
$200 bnestimated sustainable cooking market by 2033
The TOUAWEN product
PlaqueSol One.
Autonomy takes shape.
A portable solar cooktop designed for everyday use, outdoor activities and situations where access to energy is uncertain.
5 kg Portable format24 V — 40 Ah LiFePO₄ battery2 zones Adjustable cooking
Demonstrations
See PlaqueSol One
in action.
These videos come from TOUAWEN’s official archives and present the concept, format and intended uses.
Everyday resilience
A practical answer for camping, remote sites, prolonged outages and emergency preparedness.
Controlled cooking
Adjustable temperature, an optimized surface for pots and pans, and splash-resistant design.
Technical transparency
Light powers the charging process; cooking uses previously stored energy. Actual autonomy depends on the selected power, sunlight and use scenario. Final performance will be published after prototype validation and certification.
Reserve or order
Choose your TOUAWEN option.
Secure card payment through Stripe. Your information is entered directly in Stripe’s secure checkout.
Option 01
Reserve PlaqueSol One
Secure your reservation today. The deposit will be deducted from the final balance.
€25Deposit incl. tax
- Reservation registered
- Confirmation by the TOUAWEN team
- Shipping paid with the balance
Option 02 · Metropolitan France
Buy PlaqueSol One
Pay for your device and delivery in one secure transaction.
€280€260 incl. tax + €20 delivery
- Secure payment in full
- Delivery address collected by Stripe
- Confirmation and invoice after payment
Also available on Amazon
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PlaqueSol One gallery
The product
from every angle.
Explore PlaqueSol One’s format, cooking surface and portable design.
A patented technological breakthrough
From light to heat,
in a single device.
TOUAWEN combines light harvesting, intelligent storage and cooking in an autonomous architecture designed to operate wherever the grid is absent, unstable or unavailable.
Any light source
Direct sunlight, diffuse natural light and artificial light.
Available energy
24 V — 40 Ah LiFePO₄ battery with intelligent energy management.
Controlled heat
Two cooking zones without gas, charcoal, wood or a grid connection.
Human & environmental impact
Clean cooking is essential infrastructure.
TOUAWEN aims to reduce household smoke exposure, dependence on fuels and pressure on forests, while strengthening autonomy for households and organizations.
3.7mannual deaths linked to cooking smoke
100m+refugees and displaced people worldwide
SDG 7Affordable and clean energy
0fossil fuel required during use
“
Clean, decentralized energy that is useful every day — available wherever there is light.
Simplice ZAMBO-BEDOSFounder & inventor of TOUAWEN11 addressable segments
One platform.
Global markets.
From off-grid households to humanitarian operations, TOUAWEN addresses autonomy, resilience and decarbonization needs.
Sub-Saharan Africa
More than 600 million people off-grid. B2C, B2G and institutional partnership models.
Priority marketHumanitarian & emergency
UN agencies, NGOs, refugee camps and remote-area response.
Defense & resilience
Autonomous smoke-free cooking without a fuel logistics chain.
Mobility & premium
Van life, boating, eco-housing, camping and home autonomy.
Essential services
Schools, healthcare facilities, worksites, mines and technical sites.
International reference
TOUAWEN at We Make Future 2026.
TOUAWEN presented its clean and autonomous cooking technology during the CleanTech & Energy Pitch Session at We Make Future in Bologna, Italy.
International recognition of TOUAWEN’s CleanTech & Energy positioning.
Event video
TOUAWEN live from WMF Italy
Relive TOUAWEN’s presence at this international gathering dedicated to CleanTech and Energy innovation.
Archive · 2021
Media & references
Interview with TOUAWEN’s founder
Simplice ZAMBO-BEDOS discusses TOUAWEN’s vision, his journey as an inventor and the ambition to develop an autonomous clean-cooking solution in an interview produced by Stop & Work.
Stop & Work interview · 3 minutesJoin TOUAWEN
Industrialize a patented technology unlike any other.
€1.5–3mFirst funding round — French convertible bond structure
40%Industrial R&D
25%Supply chain
20%Certifications
15%Commercial
2026 — Q3Design freezeEngineering & supply chain
2026 — Q4Pre-seriesTesting & certifications
2027IndustrializationProduction & distribution
First closing€150,000
Convertible bond · 5% capitalized rate · 36-month maturity per tranche · IP preserved · Governance protected
Speak with the founderCommercial network
Become a TOUAWEN distributor
Join the PlaqueSol One rollout in your territory. The program is open to companies able to market between 400 and 5,000 units.