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Solar storage

What are the most effective and efficient ways to store solar energy? With technology advancing rapidly, there’s a wide range of systems and products to choose from. What should prospective users keep in mind when it comes to planning and costs? Read on to learn more.

Leonard Friese (right) of Tesvolt presents the new Forton storage system.

Tesvolt – new outdoor storage container

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PV Guided Tours: The new Tesvolt Forton battery system enables commercial enterprises to participate profitably in energy trading for the first time. Thanks to high-temperature cells with LFP technology, classic applications such as peak load capping and solar self-consumption are now more cost-effective. A 15-year performance guarantee with two full cycles per day ensures a secure investment.

Martin Bayer from Lumenhaus explains the power of AI in solar storage control.

Lumenhaus – home storage with AI energy management

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PV Guided Tours: Lumenhaus aims to transform the solar market with its direct-to-customer approach and the SunSaver system – an all-in-one solution integrating PV, EV charging, heat pumps and AI-based energy management to optimise and simplify energy use in private households.

pv Europe guest author Robert von Wahl.

Expert view – storage is powering a new era for C&I

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Energy storage is revolutionising commercial and industrial energy strategies, offering cost savings and resilience. Robert von Wahl of Sungrow Europe highlights its transformative potential.

The plant in Redshaw will be strategically well located for connection to the grid.

Major battery storage to ease power bottleneck between Scotland and England

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A major battery facility will be built at a critical transmission bottleneck between Scotland and England, enhancing grid reliability while opening opportunities for the surrounding economy and community.

Additives are essential to the performance and stability of Li-ion cells

Next-gen Li-ion additives pave way for PFAS-free batteries

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IDTechEx analysts forecast that advanced additives will soon allow lithium-ion cells to be manufactured without PFAS, removing harmful fluorinated materials from commercial battery production.

The latest storage system from Alpha ESS is housed in a 20-foot container

Aster 5000 offers 5 MWh storage and liquid cooling

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Designed for large-scale applications, the new Aster 5000 from Alpha ESS offers 5 MWh of storage capacity in a 20-foot container alongside advanced liquid cooling for improved thermal management.

Yi Ding is the senior product manager for the new commercial storage system.

Yi Ding of Sigenergy – innovative DC storage for C&I

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PV on Tour: Sigenergy presents its commercial storage system, SigenStack. The modular solution incorporates AI and is paired with an external hybrid inverter delivering between 50 and 125 kilowatts, depending on configuration. As with the SigenStor residential system, SigenStack features a sophisticated safety concept.

Reinhard Birmuske (right) discusses the new storage device Primo from SAX power
PV on Tour

SAX Power’s Primo unit enables AC home storage without an inverter

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The Primo unit from SAX Power connects directly to a secured socket, eliminating the need for a battery inverter. Project manager Reinhard Birmuske explains the straightforward installation of this versatile system.

Not a pot of gold at the end of this rainbow, but a battery storage facility in Ireland.

Aviva Investors commits €150 million to battery storage

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The financial agreement will enable German developer Terra One to secure funding for 500 MW of battery energy storage assets.

Follow the arrows – recycling and repurposing technologies are set to play a central role in the future of batteries.

Second-life batteries and AI open new paths for storage

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New battery developments and the use of machine learning could make energy systems more streamlined, efficient and sustainable, according to consultancy IDTechEx.

Flat landscapes, wind turbines and soon a battery park connected to the 110 kV distribution grid

Germany – 240 MWh battery park to ease grid congestion

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Re.venture is developing a 240 MWh battery storage park in Brandenburg, working closely with distribution network operator E.dis.

Premium and performance-focused home battery prices went their separate ways.

Market index – premium battery costs easing

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In August, premium residential battery costs declined, while overall market prices remained stable, based on sun.store index data.

SolarPower Europe forecasts strong BEES growth in 2025, led by utility‑scale systems

Nexta and Octopus secure green light for 50 MW storage project in Italy

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The Italian Ministry of the Environment and Energy Security (MASE) has approved a 50 MW battery storage project developed by Nexta Capital Partners and Octopus Energy Generation.

CEO Bryan Liu (left) tells us all about his company’s latest innovations.

Zendure – AI-powered energy systems for homes

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CEO Talk: Discover the new AI-powered plug-in home energy systems, featuring intelligent energy forecasts, consumption planning and optimisation. Save on costs with real-time tariff data and seamless, secure control of storage systems.

Oskar Öhrman, Technical Manager at Svensk Solenergi.

Swedish government presents Kraftlyftet proposal for grid capacity

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The programme proposes targeted support for bioenergy plants, renewable-fuel gas turbines and storage facilities to strengthen Sweden’s electricity system, though available funding remains constrained.

Axitec’s Axistorage Titan – a square unit aimed squarely at the commercial market

Axitec debuts flexible commerical storage

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Manufacturer Axitec has introduced the Axistorage Titan commercial storage system. Designed for both indoor and sheltered outdoor use, it offers broad installation flexibility.

Michael Hierholzer from Rolls-Royce dicusses the complex projects in which the company is involved.

Rolls-Royce – managing complexity in large-scale storage

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CEO Talk: Demand for large storage systems is surging across Europe, but delivering them involves major challenges – from permitting and financing to construction and operation. Michael Hierholzer of Rolls-Royce explains why experienced and reliable partners are key.

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.

Alan Greenshields (right) from ESS discusses sustainable long-term storage technology.

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

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Podcast: The Energy Center from ESS Inc. in Oregon is an iron flow storage system offering 1.16 MWh of capacity and 174 kW of maximum charge power. Housed in a single container, the modular unit suits a range of commercial and grid applications. Alan Greenshields, Director EMEA at ESS, discusses long-duration storage and the role of redox flow technology using sustainable materials like iron, salt and water.