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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.

© BYD

EES Europe: BYD unveils slimmer Battery-Box

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The Chinese company is showcasing an upgraded version of its classic battery storage system at the Munich trade fair, alongside matching inverters, all while celebrating a special anniversary.

© Vorsatz Media
PV on Tour

Reinhard Birmuske of SAX Power: Inverter-free AC home storage

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The Primo unit from SAX Power connects directly to a secured socket  – no battery inverter required. Project manager Reinhard Birmuske describes the suprisingly straightforward installation of this all-rounder.

© EnBW

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.

Electric car charging at a station with a robot image, near a building and greenery under a clear sky. - © ADS Tec Energy

Top products of the week

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A boost for power-limited grids from ADS Tec Energy, the update of the planning software T-Sol, the world's smallest wallbox from Mahle and SMA´s new high-performance battery inverter. These are our top products of the week.

© Niels H. Petersen

Top products of the week

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The new commercial storage system with hybrid cooling technology from Huawei, a complete system consisting of an intelligent wallbox and an inverter from Kontron Solar and E-Systems, ZCS Azzurro's high-voltage battery with hybrid inverter and Solaredge’s new app for installers. These are our top products of the week.

© ESS/private

Solar Investors Guide #4: Long-term storage with iron flow technology

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Podcast: Energy Center is an iron flow storage system from ESS Inc. in Oregon, United States. The storage device offers 1.16 MWh of storage capacity and a maximum charging capacity of 174 kW. This modular solution comes in a single container and can be adapted to numerous commercial and network applications. Alan Greenshields, Director EMEA of ESS, discusses term storage systems and the potential of redox flow technlogy with the sustainable materials of iron, salt and water.

White electric car charging at a station outside a building, with multiple charging units visible. - © Mahle ChargeBig

Mahle's dynamic load management saves costs

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Manufacturer Mahle ChargeBig claims have made the world's smallest wallbox. The smallBOX ECO version has a charging capacity of 7.4 kW, while the PRO comes with 22 kW.

© Vorsatz Media
PV Guided Tours

Claudio Moretti of A123 Systems – secure supply for microgrids

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The A Power I 800 is a water-cooled lithium-ion battery system with 836 kWh of storage. Alongside peak energy shifting and frequency control, it can deliver continuous power in solar-supported microgrids. Watch our video!

Electric car charging at a station with a robot image, near a building and greenery under a clear sky. - © ADS Tec Energy

ADS Tec Energy  – A boost for power-limited grids

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The new Chargepost enables ultra-fast EV charging where grid power is limited. An integrated battery stores energy and delivers up to 300 kW to two vehicles, sidestepping costly grid upgrades.

© Vorsatz Media

Yi Ding of Sigenergy: Innovative DC storage system for C&I

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PV on Tour: Sigenergy presents a the commercial storage system SigenStack. The modular storage system uses AI and comes with an external hybrid inverter. Depending on the version, the hybrid delivers between 50 and 125 kilowatts. Like the SigenStor home storage system, the system also has a sophisticated safety concept.

A person moves a large electrical device on wheels in an industrial testing facility. - © SMA

SMA shows a new high-performance battery inverter

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Manufacturer SMA has expanded its portfolio for storage solutions with the Sunny Central Storage 4600 UP-S. The new battery inverter has very good energy conversion efficiency and grid-forming functions in the power plant segment.

© Tesvolt

The pv Europe top products of the week

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A new storage system with high-temperature cells, the first complete storage solution from BYD, Atmoce’s new low-voltage battery and an innovative home storage system featuring an AI-controlled energy management system are our top products of the week.

© Niels H. Petersen

Lumenhaus presents innovative home storage system

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System provider Lumenhaus is showcasing the three-phase Sunsaver home storage system. The modular storage system comprises a power supply module, a control box, two to six battery modules and an AI-controlled energy management system.

© Sungrow

Expert analysis – C&I storage driving a cleaner energy system

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Private-sector integration of renewables brings both challenges and opportunities. Tackling them calls for forward-looking solutions, says Timo Maier, Head of Utility Sales DACH at Sungrow.

© Niels H. Petersen

Atmoce presents new low-voltage battery system

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The young company has introduced two new products – a micro inverter and a low-voltage M-ELV battery that operates at under 30 volts, offering increased safety for installers.

© BYD

BYD presents the Battery-Box HVE as a full storage solution

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Manufacturer BYD Energy Storage presents the new Battery-Box HVE. The home storage system is offered in combination with the single-phase hybrid inverter Power-Box or the three-phase hybrid inverter Power-Box from BYD. This makes it the manufacturer's first integrated home storage system.

© RWE

3rd Germany Solar & Storage Conference 2025 discusses new trends

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Germany has long been at the forefront of the renewable energy revolution, and as the nation accelerates its push towards a decarbonized future, solar energy and battery storage are emerging as critical pillars of the country’s energy strategy. The 3rd Germany Solar & Storage Conference 2025 discusses the newest trends, May 6.

© Tesvolt

Tesvolt presents new storage with high-temperature cells

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The commercial system manufacturer is incorporating high-temperature LFP cells, which do not require liquid cooling, in its latest Forton storage system.

© Peter J. Reese

Guido Dalessi from Elestor: “Between hydrogen pipelines and electrolyzers”

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Flow batteries are considered one of the most economical options for long-duration energy storage. Guido Dalessi, CEO of the Dutch company Elestor, explains how the business uses innovative technologies for its flow batteries to benefit from the synergy of electricity and hydrogen.