Wattuneed - Your Expert in Photovoltaic Solutions

Solar kit installed on the roof of a house as well as inside it, offering a renewable energy solution.

Solar kits

Solar kit installed on the roof of a house as well as inside it, offering a renewable energy solution.
Our selection of products for the assembly and accessories of your installation

Mounts &
accessories

Our selection of products for the assembly and accessories of your installation
Discover our range of hybrid inverters

Hybrid
inverters

Discover our range of hybrid inverters
Solar panels: rigid all-black, rigid traditional blue, and flexible

Solar panels

Solar panels: rigid all-black, rigid traditional blue, and flexible
TS4-A-O optimiser priced at €53.80 including VAT. Don’t let shade dictate your solar output any longer. TS4-A-O optimiser priced at €53.80 including VAT. Don’t let shade dictate your solar output any longer.
Jolywood 500Wp FULL BLACK N-Type J-TOPCon Bifacial solar panel. TRANSPARENT INTERCELLULAR SPACERS, priced at €113.74 incl. VAT. Jolywood 500Wp FULL BLACK N-Type J-TOPCon Bifacial solar panel. TRANSPARENT INTERCELLULAR SPACERS, priced at €113.74 incl. VAT.
Customise your quotation in just a few minutes. Customise your quotation in just a few minutes.
Discover our new mounting kit for steel roofing panels. Available in portrait or landscape orientation. Quick installation and premium-quality materials from €48.40 (incl. VAT) per panel. Discover our new mounting kit for steel roofing panels. Available in portrait or landscape orientation. Quick installation and premium-quality materials from €48.40 (incl. VAT) per panel.

Latest posts

Deye SUN 6K vs 10K vs 15K : quelle puissance choisir selon votre usage ?
Deye SUN 6K vs 10K vs 15K : quelle puissance choisir selon votre usage ?
Posted in: Inverters, Monitoring and Diagnostics
05/01/2026
1731 views

Expert comparison of the Deye SUN 6K, 10K and 15K hybrid inverters: power output, battery compatibility, three-phase...

Deye SUN 6K vs 10K vs 15K : quelle puissance choisir selo...
MQTT + Deye: 2 ways to integrate your inverter into your home automation system
MQTT + Deye: 2 ways to integrate your inverter into your home automation system
Posted in: Monitoring and Diagnostics
04/21/2026
7088 views

Find out how to send data from your Deye inverter (SUN-5K, 8K, 12K, 20K) to your MQTT home automation system (Home...

MQTT + Deye: 2 ways to integrate your inverter into your ...
V2L vers V2H avec Deye : le hack, le schéma et les limites
V2L vers V2H avec Deye : le hack, le schéma et les limites
Posted in: Inverters
04/02/2026
2871 views

Peut-on transformer un véhicule compatible V2L en pseudo-V2H avec un onduleur hybride Deye ? Oui, dans certains cas,...

V2L vers V2H avec Deye : le hack, le schéma et les limites
Performance agrivoltaïsme : l’essentiel IEA PVPS
Performance agrivoltaïsme : l’essentiel IEA PVPS
Posted in: Solar panels
04/02/2026
1980 views

L’agrivoltaïsme suscite beaucoup de prises de position, mais beaucoup moins de lectures techniques sérieuses. Ce...

Performance agrivoltaïsme : l’essentiel IEA PVPS

Popular posts

Deye Hybrid Inverter Configuration: Complete Engineering Manual 2026
Deye Hybrid Inverter Configuration: Complete Engineering Manual 2026
Posted in: Installation & Configuration, Comparisons & Buying Guides
01/12/2026
63570 views
Comprehensive technical guide to Deye hybrid inverter configuration: energy bus architecture, critical BMS...
Deye Hybrid Inverter Configuration: Complete Engineering ...
French legislation on photovoltaic installations
French legislation on photovoltaic installations
Posted in: Solar kits, Economy & Regulation
03/26/2025
61720 views
This comprehensive guide details French legislation governing photovoltaic installations, from administrative...
French legislation on photovoltaic installations
AC Coupling 2025 Guide 6: Hybrid Inverter Configurations
AC Coupling 2025 Guide 6: Hybrid Inverter Configurations
Posted in: Inverters, Sizing & Selection, Installation & Configuration
11/15/2025
41427 views
Master the 6 AC Coupling configurations to add batteries to your existing photovoltaic installation: Deye, Sofar,...
AC Coupling 2025 Guide 6: Hybrid Inverter Configurations
Complete guide: Installing and setting up the Marstek Venus battery
Complete guide: Installing and setting up the Marstek Venus battery
Posted in: Solar batteries, Technologies & chemicals
07/08/2025
36249 views
Find out how to easily install and set up your Marstek Venus battery to optimise your home solar energy storage.
Complete guide: Installing and setting up the Marstek Ven...
Representational image of the electrical diagrams available on our website

Assembly diagrams

Assembly diagrams
Our solar simulator and its production chart

Production simulator

Production simulator
Discover our various articles on photovoltaics in our blog.

Discover our blog

Discover our blog

Learn How to Install Your Standalone Solar Kit Step by Step

Want to become energy-independent with solar power? With L'ArchiPelle and Julien, discover all the steps to install your standalone solar kit easily, from preparation to commissioning.

Tutorial video: installing your standalone solar kit with L'ArchiPelle and Julien

Discover L'ArchiPelle on YouTube: exclusive videos on self-sufficiency and permaculture! Check out the channel now!