Skip to main content Skip to main navigation Skip to site search

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.

Battery containers lined up on a factory floor in Bohumín

Czech firm lines up 307 MW of storage, including direct transmission

-

Technology and energy trading company Second Foundation is developing 307 MW of battery storage across three sites, including Czechia's future largest installation, due online by end of 2026.

On a solid footing: structural fire protection starts at ground level

BESS fire protection | 2: detection, suppression, response

-

Sensors, extinguishing systems and pressure relief packaged into a single technical container can simplify planning, speed permitting and give emergency services a clear point of intervention.

Advertisement

BLUETTI Unites Open Energy Ecosystem Partners to Advance Home Energy Independence at Intersolar Europe 2026

-

At Intersolar Europe 2026, BLUETTI showcased its commitment to home energy independence through an open energy ecosystem integrating balcony solar solutions, residential energy storage and smart energy management. 

Easy does it: a few tonnes of risk-assessed lithium chemistry coming in to land

BESS fire protection | 1: the groundwork

-

Lithium-ion storage carries real risks of thermal runaway, fire and explosion. Certified technical containers can shield installations from external hazards and ease the route through building approval processes.

The sleek Ocean 2, quietly outclassing every tool on the pegboard

Ecoflow rolls out Ocean 2 three-phase storage with backup

-

Built on LFP cells and compatible with the earlier series, the Ocean 2 offers three-phase storage for residential use, scalable to twelve modules and equipped with whole-house backup power as standard.

Long-duration energy storage is essential for 24/7 renewables

Long-duration storage emerges as credible flexibility option for Europe

-

A new Eurelectric-AFRY report finds that long-duration energy storage technologies are approaching commercial viability in several European markets, with each gigawatt installed potentially delivering €150–250 million in annual system-level savings while easing curtailment and grid congestion.

White, vertical, vaguely commanding: the new Powerwall 3P

Tesla rolls out three-phase Powerwall 3P for homes

-

With 15.4 kW continuous and 21 kW peak AC output, the 3P brings three-phase capability to households running heavier loads.

Battery use in Spanish self-consumption up 65 percent last year

Spanish home storage expands on lower costs and rising demand

-

New figures from UNEF show installed storage capacity for self-consumption rose by 65 percent last year, with residential deployments nearly doubling as battery costs continue to drop.

Solaredge's new C&I battery cabinet, paired with a 50 kW inverter

Solaredge C&I storage delivers up to four MWh

-

Each 197 kWh cabinet pairs with one or two 50 kW battery inverters and can be scaled modularly, reaching up to 1 MW of power and 4 MWh of storage per installation.

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

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

-

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 charging power. Housed in a single container, the modular unit is designed for 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 such as iron, salt and water.

Philipp Rasche is Managing Director of ENEO

PV grows up: from generation to integrated energy

-

That energy storage is needed is no longer in question. What matters now is the system it forms together with generation, controllable loads and e-mobility, as Philipp Rasche of ENEO explains.

Ja Planet is making its Intersolar debut in 2026

JA Solar targets C&I and grid markets with new storage duo

-

Ja Planet and Ja Galaxy, the manufacturer's two new lithium iron phosphate systems, cover applications from commercial and industrial sites up to large-scale grid-connected projects.

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

SAX Power – capable inverter-free AC storage

-

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.

The Anker Solix X1 Home Energy System including Power Dock Pro backup hub

PV Europe products of the week – fresh off the line

-

Anker Solix expands its Home Energy System with a new backup power hub, Heckert Solar unveils a bifacial module with shingled cells, Atmoce launches a Backup Box for three-phase emergency power, and AlphaESS presents a modular storage system scaling up to 6.7 MWh.

Fabian Thral (right) lays out the details of the new systems from Fenecon.

Fenecon – three new storage systems for C&I

-

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

Product of the week is the Backup Box from Atmoce

Atmoce retrofits three-phase backup to existing PV

-

Designed for straightforward integration, the unit adds three-phase emergency supply to PV installations already in service, broadening resilience options for homeowners and commercial operators.

Commercial storage opens new trading options while reducing electricity costs

Solar Investors Guide #7 – Commercial storage systems

-

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.

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

AlphaESS targets large-scale storage with modular cabinet

-

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.

A storage container having a difficult morning at the CATL lab

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

-

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.