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

Our selection of products for the assembly and accessories of your installation

Mounts &
accessories

Discover our range of hybrid inverters

Hybrid
inverters

Solar panels: rigid all-black, rigid traditional blue, and flexible

Solar panels

Promotion on the Deye 5 kVA single-phase hybrid inverter - SUN-5K-SG04LP1-BE | Synergrid Price: €1084 incl. VAT instead of €1247
AIKO NEOSTAR 3S+ DUAL GLASS-GEN3 470Wp solar panel for £120 instead of £130.95.
Customise your quotation in just a few minutes.
Take a look at the Delong Top Energy 15kWh lithium battery
Popular products

Latest posts

Sécuriser sa maison en cas de coupure : la solution onduleur hybride + batterie
Sécuriser sa maison en cas de coupure : la solution onduleur hybride + batterie
Posted in: Solar panels, Solar kits, Inverters, Solar batteries, Heat pump / air conditioning
03/14/2026
224 views

Protégez vos appareils essentiels lors des coupures de courant grâce à un onduleur hybride et une batterie solaire....

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100% self-sufficient in electricity: is that really possible?
100% self-sufficient in electricity: is that really possible?
Posted in: Solar panels, Solar kits, Inverters, Solar batteries, Generating sets
03/14/2026
202 views

100% self-sufficient with solar power? We explain a realistic approach: solar panels, batteries, a generator and...

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PPE2 2026 Tenders: Complete Guide to Eligibility for Your Solar Panels in France
PPE2 2026 Tenders: Complete Guide to Eligibility for Your Solar Panels in France
Posted in: Technologies & innovations, Economy & Regulation
03/03/2026
1591 views

Complete PPE2 2026 guide for photovoltaic installations > 100 kWp: eligibility criteria, ECS carbon footprint,...

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Sofar ESI vs Deye: Which hybrid inverter for your solar storage?
Sofar ESI vs Deye: Which hybrid inverter for your solar storage?
Posted in: Inverters, Comparisons & Buying Guides
02/16/2026
2613 views

Detailed comparison between the integrated Sofar ESI ecosystem (inverter + BTS battery) and the maximum flexibility...

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Popular posts

Photovoltaic installations: Everything you need to know about French legislation
Photovoltaic installations: Everything you need to know about French legislation
Posted in: Solar kits, Economy & Regulation
03/26/2025
43644 views
This comprehensive guide details French legislation governing photovoltaic installations, from administrative...
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Guide complet : Installation et paramétrage de la batterie Marstek Venus
Guide complet : Installation et paramétrage de la batterie Marstek Venus
Posted in: Solar batteries, Technologies & chemicals
07/08/2025
21786 views
Découvrez comment installer et configurer facilement votre batterie Marstek Venus pour optimiser votre stockage...
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How to install and commission Pylontech US5000 batteries
How to install and commission Pylontech US5000 batteries
Posted in: Solar batteries, Installation & Configuration
08/27/2025
20626 views
Complete guide to installing and commissioning Pylontech US5000 solar batteries, including parallel configuration and...
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AC Coupling 2025: Complete Guide 6 Hybrid Inverter Configurations
AC Coupling 2025: Complete Guide 6 Hybrid Inverter Configurations
Posted in: Inverters, Sizing & Selection, Installation & Configuration
11/15/2025
15671 views
Master the 6 AC Coupling configurations to add batteries to your existing photovoltaic installation: Deye, Sofar,...
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Representational image of the electrical diagrams available on our website

Assembly diagrams

Our solar simulator and its production chart

Production simulator

Discover our various articles on photovoltaics in 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!