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Solar storage

What are the best and most efficient ways to store solar energy? The technology is developing rapidly and there are numerous systems and products to choose from. What should prospective users consider from a planning and cost perspective? Read on to find out.

Jiang Li, vice president of CATL, speaking at London Climate Action Week

CATL and Ellen MacArthur Foundation join forces for battery circularity

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The collaboration will focus on rethinking battery life cycles, with new pilot projects and policy dialogues aimed at scaling up reuse, remanufacturing and recycling across the supply chain.

Maximilian Münnicke from Huawei (right) takes a deep dive into new solutions for project busness.

Huawei FusionSolar – utility storage with a Prime security certificate

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PV Guided Tours: Huawei FusionSolar is unveiling its new Luna2000 utility-scale battery storage system with a capacity of five MWh. The current 4.5 MWh systems have already received the Prime safety certificate from TÜV Rheinland.

The sintered solid-state battery cell developed at Fraunhofer IPA.

Solid-state battery sector eyes $9 billion market by 2035

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Technological progress and rising demand are accelerating the development of solid-state batteries. The sector is expected to gain significant market traction by 2025, according to a new report from IDTechEx.

Sand and solar panels as far as the eye can see, and soon to feature a vast battery facility.

SMA to power 918 MWh battery project in Chile

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The storage system in the Atacama Desert complements an existing 220 MW PV plant and includes black-start capability.

Vinzent Weiler (right) goes into the many details of the powerful SAX Power storage system.

SAX Power – capable inverter-free AC storage

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PV Guided Tours: SAX Power offers an AC storage system that operates without a battery inverter. It is also a multi-talent – suitable for both new solar systems and retrofits. Is this storage system really as simple as the provider promises? Watch the video to find out.

Marie Isabelle Grote from Denios says: No compromises on safety!

Denios – storing energy safely

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PV Guided Tours: The new integrated system Power Store, combining a C&I battery storage unit with a safety container, offers comprehensive protection in the event of thermal runaway. When designing storage systems for commercial applications, both customised system design and rapid amortisation are essential considerations. Watch the video to learn more!

Fabian Thral (right) gives us the details of the new systems from Fenecon.

Fenecon – three new storage systems for C&I

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PV Guided Tours: Fenecon presents the Industrial XL with 1.5 megawatts and four megawatt hours in a new container format for large-scale projects, alongside a new flexible power pack for SMEs and the updated Commercial 92 in an innovative split tower design.

David Niehaus (right) presents the new Huwei products in Munich.

Huawei FusionSolar – storage with hybrid cooling

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PV Guided Tours: The system supplies three-phase backup power and utilises an intelligent EMS. The focus is clearly on safety and efficiency – including for the new, hybrid-cooled Luna2000-215kWh battery storage system for C&I. It has been awarded the highest safety certificate by TÜV Rheinland.

Sofar so good – Kenneth Frey of Sofar (right) explains the benefits of the system.

Sofar – new C&I storage systems

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CEO Talk: Power storage for C&I applications is booming. Sofar is expanding its portfolio with the launch of the new PowerIn system this year, and is ramping up sales across Europe. What's the strategy behind this push? Let‘s find out.

Ampace develops smart solutions for intelligent and secure batteries.

Ampace – advancing lithium-ion battery technology

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CEO Talk: In a world driven by electric energy, Ampace is one of the forerunners of technology. From cutting-edge batteries to intelligent energy solutions, the company is fuelling the future for all kinds of applications – one charge at a time.

AI is a mighty tool for improving storage systems and energy supply.

Sigenergy – new app optimises energy management with AI

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PV Guided Tours: The new Sigenergy app uses AI to optimise energy management, with new features that support the integration of DC optimisers, bidirectional charging and energy tradin  – good news for cost-conscious users. The second-generation hybrid inverter, with battery packs and easy retrofit options, is now available.

Franz-Josef Feilmeier (left) of Fenecon in our CEO Talk 2025.

Fenecon – innovations driving C&I storage

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CEO Talk: The market for home storage is sluggish, while C&I and large-scale storage are gradually gaining ground. To boost sales, the right strategy is essential. The key question remains: What factors determine success in this market? Franz-Josef Feilmeier, CEO of Fenecon explains.

Alec Curry (right) tells us about their promising new solutions.

Atmoce – low voltages increase safety

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PV Guided Tours: Atmoce presents two new innovative products – a micro inverter and a low-voltage battery. The M-ELV battery operates at less than 30 volts, increasing safety for installers and simplifying day-to-day work. Intelligent energy management system connects both components. The low-voltage technology is designed to benefit private households as well as commercial users.

Peter Gutendorf (right) provides insights into the new solutions offered by EcoFlow.

EcoFlow – more intelligence, more yield

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PV Guided Tours: Intelligent systems are replacing standalone components and AI now manages storage systems, wall boxes and energy flows to make the most of solar power. It’s not science fiction, it’s already here. Still sceptical? Prepare to be surprised!

A full house – members of the European Parliament vote in Strasbourg on 19 June 2025.

EU needs a tenfold boost in battery storage by 2030

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Members of the European Parliament are calling on the European Commission to propose an EU strategy on energy flexibility – an initiative backed by SolarPower Europe.

Big, bigger, biggest – BESS projects call for high capacity and cost-effectiveness.

The pv Europe top products of the week

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This week’s product highlights include Sungrow’s new PowerTitan 3.0 storage system, a dual-axis tracker from Anywhere Solar, Over Easy Solar’s vertical mounting solution and the new Reserva battery from Fronius.

A legion of power – storage in Százhalombatta.

MET flips the switch on Hungary’s biggest battery project

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With a nominal output of 40 MW and a storage capacity of 80 MWh, the facility marks the latest in a series of energy storage investments by MET Group across Europe.

This week‘s top item: the new DC storage system from Fronius.

Fronius launches Reserva battery storage system

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The new DC storage from Austrian manufacturer Fronius fills an important gap in its product portfolio, making it a complete system provider. The Reserva is a high-voltage battery that provides almost loss-free charging and discharging power.

Large battery containers are opening new paths for investments.

Solar Investors Guide – Storage for revolutionising the grid

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Large-scale storage systems are gaining ground across Europe, driven by growing demand for grid stabilisation and peak load shifting. Italy, Great Britain and Germany are leading the charge. Download the new e-paper for free.