Expertise from the
Energy World
On the WEESS blog, you will find analysis, background information and practical knowledge on energy storage, building electricity, energy management and grid-friendly energy systems.
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Intersolar Europe 2026: Residential Energy Storage Trends in Germany
Explore the future of residential energy storage in Germany after Intersolar Europe 2026. Discover how intelligent EMS, simplified installation, digital management, and smart battery systems are transforming homes and Mieterstrom projects.
Know Your Energy: Why smart energy monitoring is becoming key to the energy transition
Many households and businesses only know their electricity consumption via annual bills – too late for genuine optimisation. With dynamic electricity tariffs and growing price volatility, real-time monitoring becomes a commercial advantage. WEESS PowerPulse measures energy flows with second-by-second accuracy at the grid connection point and automatically controls storage systems, charging points and devices. Smart systems enable savings of up to 40% – and turn every power connection into an active energy point.
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Rethinking tenant electricity: scalable system solutions for apartment blocks
Tenant electricity is regarded as a key component of the energy transition – but has long been associated with a high degree of regulatory and technical complexity. New hardware-based system solutions such as the WEESS PowerTower are changing this: behind-the-meter approaches enable local solar power usage in apartment blocks without traditional supply models. The result is economically viable projects with returns of 8–12% – and a market on the cusp of its growth phase.
Cut diesel. Not power. Hybrid energy systems as the new standard for construction and industry
Diesel generators operate inefficiently worldwide – often at less than 40% capacity, with high wear and tear and unnecessary costs. Hybrid energy systems comprising battery storage and a generator solve this problem: the storage system handles peak loads, whilst the generator operates only within its optimal efficiency range. Real-world projects demonstrate diesel savings of up to 56%. The WEESS PowerSite Cube targets this global multi-billion-euro market – with a fast payback period, without replacing existing infrastructure.
From battery storage to revenue generator: grid-friendly storage in the energy system
Energy storage is evolving from a purely trading instrument into systemically important infrastructure. Those who rely solely on arbitrage risk fluctuating returns – stable revenues are generated through a combination of balancing energy, flexibility markets and load optimisation. Large-scale storage facilities such as WEESS Nordsee enable precisely this: multi-dimensional revenue models, revenue-share structures and integration into virtual power plants – energy storage as an investable asset with predictable cash flows.
Industry under power: Energy storage as a new corporate infrastructure
Rising electricity prices, volatile markets and pressure to decarbonise are making energy a strategic resource for businesses. Modern C&I battery storage systems; such as WEESS Bodensee (232 kWh) and Nordsee (4.47 MWh) enable peak shaving, load shifting and higher self-consumption rates – economically predictable and modularly scalable. Energy storage is thus evolving from a cost-saving measure to a strategic asset in industrial transformation.
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