Renewable energy

ORES rejects 27 high-voltage substations and warns of 10,000 vulnerable circuits. The much-vaunted PV + heat pump duo reveals its critical flaws: winter undervoltage, grid saturation, total dependence. Factual analysis and pragmatic solutions.

Découvrez comment installer, configurer et utiliser WatchPower pour surveiller votre onduleur solaire en temps réel. Guide pratique pour particuliers avec explications pas à pas sur la connexion RS232/USB, le paramétrage et la récupération des données.

Ajouter des batteries LiFePO4 neuves à un parc existant exige un équilibrage préalable rigoureux. Découvrez pourquoi les BMS passifs sont insuffisants et comment réaliser cette opération critique sans équipement de laboratoire.

Find out how the Walloon incentive tariff 2026 and dynamic contracts radically transform the electricity bill of electrified households (heat pump + electric vehicle). Full technical analysis and optimisation strategies.

From individuals to prosumers, from homes without panels to off-grid sites: discover which storage battery exactly matches your energy profile. The complete Wattuneed guide with real scenarios in France & Belgium, 48V vs High Voltage comparison, and precise profitability calculations.

Master the 6 AC Coupling configurations to add batteries to your existing photovoltaic installation: Deye, Sofar, Fronius compatible inverters, three-phase without neutral, zero injection.

Discover the 10 critical mistakes that compromise your photovoltaic installation and how to avoid them to ensure optimal performance and maximum profitability of your solar panels.

Discover everything about 800 VA plug & play solar kits in 2025: Belgian & French legislation, compatibility, sizing, safety and profitability.

Master every step of your photovoltaic panel installation with this comprehensive technical guide: from site study to component selection, become a solar energy producer.

Discover our complete toolkit for sizing, calculating, and optimizing your photovoltaic system. Free simulators, calculators, and guides to help you succeed with your solar project.

Déjouez la hausse des prix de l'énergie et profiter de l'avantage du taux de TVA réduit en France.

Starting in January 2026, Wallonia will significantly change its electricity pricing. Three new time slots – green, orange, and red – will apply different rates depending on the time of day. The goal is to spread out consumption to ease the grid, but this reform could increase bills for households that do not adjust their habits. No more weekend pricing benefits, and peak-hour caution is key: here’s what you need to know to avoid higher costs.