Sizing & Selection

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

Physical or virtual battery for your solar panel system? Check out our comprehensive 2026 comparison featuring actual prices (MyLight, Urban Solar, JPME) and an ROI analysis for the Wattuneed 6 kit (€ ,900 ).

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.

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.

Find out what causes photovoltaic inverters to shut down and discover effective solutions

Solar battery sizing is changing with the arrival of Belgian dynamic tariffs. Find out how to optimize your energy storage and maximize your savings.  

Discover the pros and cons of 48V and high-voltage batteries to optimise your solar kit and maximise your energy self-sufficiency.

Discover how to maximize self-consumption with a Sofar ESI AC coupling and a BTS battery, without modifying your existing installation.

2024 solar battery comparison: make the right choice for your photovoltaic system! Discover our comprehensive guide to choosing the best solar battery for your budget, your needs and your usage profile. Compare technologies (Lithium, Gel, OPzS, OPzV), analyze the real price per useful kWh and benefit from expert advice to maximize the profitability of your storage. Reliability, durability, cost of use: find the ideal solution with our detailed comparison table. 👉 An essential tool for any...