Solar panel owners need to change their strategy. With the latest update to decree S21 of March 25, 2025, the government has significantly reduced financial aid and purchase prices for solar electricity. For individuals, the time when reselling surplus energy was synonymous with good business is over. From now on, self-consumption is becoming essential, and with it, energy storage is emerging as the new card to play.
A reduction in aid and an increase in costs
Financial incentives have been revised downwards:
- The self-consumption premium has gone from €200 to €100 per kilowatt-peak.
- The feed-in tariff for surplus electricity has fallen from 12.7 cents to 4 cents per kWh!
At the same time, the average electricity bill has increased by 80% in ten years, and EDF subscriptions have jumped by 116%. According to UFC-Que Choisir, a further 20% increase is expected from January 2026 with the end of regulated access to historic nuclear power (ARENH).
Storage, an essential solution
In this context, many French people are turning to storing their own electricity. An OpinionWay survey reveals that 68% of individuals now prefer to store their solar energy rather than resell it at a low price.
Beem Battery: a modular and intelligent solution
The Beem Battery, developed by the French startup Beem Energy, represents a significant advance in the field of solar energy storage for individuals. Designed to offer a modular and scalable solution, it allows users to adapt their storage capacity according to their energy needs.
The Beem Battery is available in three capacities: 6.6 kWh, 10 kWh and 13.4 kWh. This modularity is made possible by the addition of modules of 3.3 kWh each, thus allowing customization according to the household consumption. The technology used is based on lithium-iron-phosphate (LiFePO4) cells, recognized for their longevity and thermal safety. In addition, the battery is compatible with all types of solar panels, offering installation flexibility. Thanks to the Beem Energy app, users can monitor their energy production and consumption in real time, thus optimizing their self-consumption.
In addition to the Beem Battery, several other solar energy storage solutions are available on the French market:
- Storelio: This all-in-one system integrates an inverter, a lithium battery, and an intelligent energy management system. Designed and assembled in France, Storelio provides modular and scalable storage capacity, adapted to household needs.
- Enphase IQ Battery: This solution offers intelligent energy management, maximizing savings based on different electricity rates. It also integrates micro-inverters and advanced monitoring systems.
Even more affordable and flexible solutions
- EcoFlow PowerStream: This system is designed for individuals wishing to optimize their self-consumption without undertaking complex work. This kit includes solar panels, a micro-inverter and a portable charging station from the DELTA range (DELTA 2, DELTA Max or DELTA Pro), allowing excess energy to be stored for later use. The system is compatible with standard household outlets, making it easy to install, even for renters. According to EcoFlow, its solution can reduce a household's annual energy bill by up to 33% by maximizing the use of solar energy.
- Zendure SolarFlow: This system offers a modular approach to solar storage. With 1920 Wh AB2000 batteries, stackable up to four units, users can adapt the storage capacity according to their needs, reaching up to 7680 Wh. The SolarFlow 1200 hub allows the connection of solar panels up to 1000 W, optimizing production even in low sunlight. The Zendure app offers intelligent energy management, taking into account consumption habits and weather forecasts, to maximize energy efficiency.
These different options allow individuals to choose the storage solution best suited to their needs, based on their energy consumption, their budget and their autonomy objectives.
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