Power plant regulations at Balkon: an exploration of EcoFlow Stream's legal workarounds
The EcoFlow Stream Ultra, a cutting-edge All-in-One storage system, is making waves in the world of balcony power plants. With a weight of 23.1 kilograms and dimensions of 284 x 255 x 458 millimetres, this device is compact yet powerful.
Priced at €779 (with a promotional discount, originally €879), the EcoFlow Stream Ultra is an affordable solution for those seeking to harness solar energy. For self-collection, shipping is free.
One of the standout features of the EcoFlow Stream Ultra is its ability to bypass the legal 800-watt limit for balcony power plants. This is achieved through a higher AC output of 1200 watts, which can be expanded up to 2300 watts with the Stream Ultra X model. This increased output allows for the powering of high-demand appliances and the handling of higher feed-in power from solar systems.
The Stream Ultra's high power electronics design and scalability through multiple units enable it to exceed the usual 800-watt feed-in barriers. The system can be expanded with multiple STREAM Series products connected in parallel, increasing aggregate capacity and power output.
Moreover, the EcoFlow Stream Ultra is packed with AI innovations, including Automatic Multi-Battery Coordination, Decentralized Energy Usage, Intelligent Energy Flow and Storage Automation, Integration with EcoFlow Smart App, Energy Price and Weather Forecasting, Predictive Maintenance, and more.
For those considering installing a rooftop photovoltaic system, Power recommends using the free quote comparison service from Solaranlagen-Portal.com to obtain up to five offers from certified professionals.
PowerNess offers a balcony power plant set with the EcoFlow Stream Ultra and two JA Solar bifacial full black solar modules, each with 440 watts. The price for this set is €999, with free shipping for self-collection.
Customers can also opt for a balcony power plant set from PowerNess without a storage system, which features an EcoFlow inverter and costs €229 (€279 with the code "PowerNess50off").
Power, a popular destination for customers in the German-speaking region for balcony power plants, solar modules, batteries, and inverters, receives excellent reviews on Trustpilot and Trusted Shops, with ratings of "very good" (4.6 stars) on Trustpilot and "very good" with 4.7 stars on Trusted Shops (as of 04/2025). Customers can pick up their orders for free at Power's locations in Weinheim, Munich, Berlin, Hamburg, Meerbusch, Tuttlingen, or Ennsdorf.
[1] Source: EcoFlow Stream Ultra User Manual [4] Source: EcoFlow Stream Ultra Technical Specifications
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