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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.

LONGi's storage range in formation, from compact to container-scale

LONGi bets on integration with new storage range

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Portfolio One brings LONGi‘s modules and in-house 5S storage under a single architecture, tailored to utility-scale, commercial and off-grid use, with the cloud-based Oneos platform handling control and virtual power plant functions.

Sci-fi at first glance: inside SMA‘s Gigawatt Factory and spanking new Sunny Central Flex

SMA powers up a factory built for 60 GW a year

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German manufacturer SMA's new €80 million plant in Niestetal near Kassel will produce inverters, storage systems and energy management technology for large-scale solar, storage and data-centre projects.

A single inverter buffers 36.4 kWh via two battery towers

Solarwatt's hybrid inverter line-up gains 30-kilowatt model

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The Inverter Vision Max fills Solarwatt's 15 to 30 kilowatt range, supporting PV systems of up to 60 kilowatts.

Head of category management Nikola Milenkovic gets hands-on with the latest tech

Energy3000 – new partner, new tech, new storage

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Energy3000 has brought Novafixx on board as a partner and is putting Hithium's liquid-cooled C&I storage system in the spotlight, with Sigenergy a standout in the residential segment. Watch the video for more.

Checking the battery status and market earnings over a coffee break

Denmark – Emaldo batteries gain access to Nordic trading market

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Residential batteries from the Danish battery maker can now trade automatically in Nordic wholesale and balancing markets, following a new partnership with energy trader Hybrid Greentech.

Maximilian Münnicke (left) is an expert in the utility business

Huawei FusionSolar: new utility flagships 506KTL and LUTERRA

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PV Guided Tours: In the utility segment, Huawei FusionSolar is focusing on two innovations this year: an inverter platform with 1,000 V AC technology, and the LUTERRA storage platform with exceptional power and capacity density. Let's take a closer look.

The home battery from Samduo – slim enough to blend into a hallway

PV Europe’s picks of the week – storage gets smarter

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Samduo introduces a slim plug-in home battery. Kostal's battery inverter delivers 25 kW of backup power. AlphaESS targets large-scale storage with a modular cabinet, and Solis enters home storage with its Flexhome, Intellihome and Flexaio range.

Commercial storage opens new trading options while reducing electricity costs

Solar Investors Guide #7 – Commercial storage systems

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Energy costs shape competitiveness in both global and local markets. As fossil and nuclear prices continue to rise, solar and wind are no longer marginal technologies but increasingly represent the smart money in power generation.

Blends in nicely, furniture pending – the Flexhome unit stacks up to 40 kWh of storage

Solis enters home storage with Flexhome, Intellihome and Flexaio range

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A new storage brand brings three-tier modular capacity from five to 40 kilowatt-hours, LFP cells rated for over 6,000 cycles and a decade of expected service life.

Ready to roll – the cabinets comply with international fire safety standards including NFPA 855

AlphaESS targets large-scale storage with modular cabinet

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The Storion-LC 836 delivers 835.9 kWh per cabinet and scales to 6.7 MWh when eight units are connected in parallel, with front-side cabling and standardised transport reducing installation complexity.

The conventional electrode's stripes give way to a few broad bands, full context below

Germany – new Fraunhofer electrode design spans three battery chemistries

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The renowned institute has applied a new electrode architecture to lithium-ion, sodium-ion and zinc-ion battery cells, reporting energy density gains of 10 to 15 percent in each case.

The Plenticore BI 25 battery inverter tops out at an impressive 98.3 percent efficiency

Kostal's inverter pairing gives installers room to manoeuvre

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Splitting solar and battery functions between the Piko CI G2 and Plenticore BI 25 shortens cable runs and permits independent placement, with the BI 25 reaching up to 98.3 percent efficiency.

Hybrid systems are now standard in the majority of applications

Solax Power: new systems for residential and commercial buildings

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PV Guided Tours: The market expects complete and well-integrated systems that are intelligently managed and, increasingly, supported by AI. We find out what makes it possible to build smart energy systems of this kind.

A storage container having a difficult morning at the CATL lab

CATL builds world's largest BESS test lab – open to competitors

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A ten-hectare facility in Xiamen combines grid simulation, thermal safety and EMC testing at a scale the company says exceeds any comparable platform globally.

The home battery from Samduo – slim enough to blend into a hallway

Samduo's home battery trades bulk for slimmer form

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The Nex E6000 offers six kilowatt-hours of plug-in storage in a housing just 11.9 centimetres deep, redesigned from the ground up to fit European homes.

EES Europe in Munich, June 2026: C&I and utility storage is driving the energy transition

Upcoming investor newsletter: storage takes on subsidy-free solar

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An economic solution is emerging in the dispute over EEG feed-in tariffs and grid bottlenecks: battery storage systems that let solar feed-in be managed commercially while easing pressure on the grid, ahead of our next investor newsletter on 16 September.

Alastair Mounsey is Vice President Europe at JA, formerly JA Solar

JA’s Alastair Mounsey: “Europe pushes us technologically”

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The VP Europe at JA discusses why Europe pushes the company technologically, its evolution into an integrated PV and storage supplier, and the European roadshow introducing partners to its next phase.

James Xie is managing director of SAJ Electric

SAJ Electric: innovative storage solutions for residential & C&I

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PV Guided Tours: The HS5 all-in-one offers a complete way to power private homes. It brings together solar, battery storage, a wallbox and backup power in a single unit, with an AI-based energy manager orchestrating the individual components.

ONE is a storage system for large C&I and utilities

LONGi: a look inside the ONE storage platform

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PV Guided Tours: LONGi ONE is an integrated storage platform for C&I applications, featuring intelligent energy management and a TÜV-certified early warning system at cell level. Watch the video to find out why storage is becoming a key component of modern energy infrastructure.