Featured posts

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  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

  246 Views

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

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  100% self-sufficient in electricity: is that really possible?

  Posted in: Solar panels, Solar kits, Inverters, Solar batteries, Generating sets

  210 Views

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

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  PPE2 2026 Tenders: Complete Guide to Eligibility for Your Solar Panels in France

  Posted in: Technologies & innovations, Economy & Regulation

  1628 Views

  Complete PPE2 2026 guide for photovoltaic installations > 100 kWp: eligibility criteria, ECS carbon footprint, choice of certified panels and strategies for applying for renewable energy tenders.

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  Sofar ESI vs Deye: Which hybrid inverter for your solar storage?

  Posted in: Inverters, Comparisons & Buying Guides

  2629 Views

  Detailed comparison between the integrated Sofar ESI ecosystem (inverter + BTS battery) and the maximum flexibility of Deye inverters with third-party batteries (Delong, Pylontech, Leapton). Discover the ideal solution for your photovoltaic project.

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  Système Triphasé 15 kVA Victron : Autonomie Complète Premium

  Posted in: Solar kits, Inverters, Solar batteries, Charge regulators

  2242 Views

  Découvrez le système triphasé 15 kVA Wattuneed : 29 panneaux AIKO ABC 460W, 3 onduleurs Victron MultiPlus-II, 30 kWh Delong – sécurité énergétique haut de gamme.

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  Solar Batteries 2026: Emerging Technologies and Innovations

  Posted in: Solar batteries, Technologies & chemicals

  5612 Views

  The solar battery industry is undergoing a major technological revolution: active thermal management, sodium-ion, advanced fire safety and intelligent BMS are redefining the standards for residential and commercial energy storage.

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  Rigid vs flexible solar panels: How to choose according to your project?

  Posted in: Solar panels

  3197 Views

  Are you considering equipping your motorhome, boat, tiny house or home with a photovoltaic system? The first question that often arises is: rigid or flexible panels? This decision is far from trivial, as it will determine not only the performance of your installation, but also its durability, cost and ease of integration.

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  Deye Copilot Complete Guide: Configure and Optimise Your Solar Installation

  Posted in: Monitoring and Diagnostics, Comparisons & Buying Guides, Installation & Configuration, Sizing & Selection

  4334 Views

  Discover how to configure Deye Copilot step by step to maximise your energy savings. Comprehensive guide with screenshots, dynamic rates, and advanced settings.

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  Solar self-consumption: 12 actions to gain +20 to +40%

  Posted in: Technical Guides

  3539 Views

  Increase your self-consumption rate by 20 to 40 per cent without investing in new panels. Discover 12 concrete actions to optimise your existing installation and reduce your energy bill today.

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  Batterie Physique vs Virtuelle France 2026 : Comparatif Complet

  Posted in: Sizing & Selection, Technologies & chemicals, Technical Guides

  4040 Views

  Batterie physique ou virtuelle pour votre installation photovoltaïque ? Découvrez notre comparatif complet 2026 avec tarifs réels (MyLight, Urban Solar, JPME) et analyse ROI kit Wattuneed 6 900 €.

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  Deye Hybrid Inverter Configuration: Complete Engineering Manual 2026

  Posted in: Installation & Configuration, Comparisons & Buying Guides

  10129 Views

  Comprehensive technical guide to Deye hybrid inverter configuration: energy bus architecture, critical BMS parameters, Time of Use strategies, network security and advanced diagnostics for professional installers.

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  Photovoltaic Earthing: RGIE/NF C 15-100 BE/FR Standards

  Posted in: Electrical wiring and equipment

  4280 Views

  Photovoltaic earthing compliant with RGIE (Belgium) and NF C 15-100 (France): resistance≤30Ω, PE cable cross-sections, equipotential bonding and mandatory checks.

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