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All articles of topic solar storage

A different kind of spirit in the pipes at the Annandale Distillery

Scotland – £10m boost for Exergy3 heat storage tech

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Funding will accelerate commercial rollout of modular units that convert surplus electricity into industrial heat, with first deployments showing potential to relieve balancing pressures and lower emissions.

A box built for balance – SMA Altenso fully developed the 220 MWh Alapitkä battery park

Finland – SMA Altenso advances 220 MWh BESS

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Located in Lapinlahti, the 95 MW system will support grid operations and help manage variability as renewable generation grows across Finland.

Rendering of Metlen and Karatzis’ planned 790 MWh battery storage project in Thessaly

Greece – battery storage market shifts as small investors exit

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The domestic battery storage sector is entering a new phase, with deal activity emerging around merchant projects expected to be prioritised under the Ministry of Environment and Energy support scheme.

Battery storage could unlock renewable energy growth in Croatia

Croatia – grid batteries can ease renewable bottlenecks

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Strategically placed battery storage would unlock gigawatt hours of additional renewable feed-in and shore up Croatia's volatile midday power prices, a new study finds.

Energy Storage Inspection is a TÜV-style check for home batteries

Energy Storage Inspection 2026 shows wide efficiency spread

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HTW Berlin’s latest annual study of residential PV battery systems finds new efficiency highs among leading products, but persistent gaps between top and lower-ranked systems.

Opening up the economics of battery storage in Croatia

Croatia – batteries unlock savings and ten-year payback

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A study by the Hrvoje Požar Energy Institute and the University of Zagreb finds battery storage cuts system costs by up to 15 percent, supporting payback within around ten years.

Metlen draws steady visitor traffic at KEY 2026 in Rimini

Greek energy group Metlen: “Italy is a core market for us”

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With a 3 GW pipeline of solar and battery projects, Metlen is strengthening its position in Italy through new storage projects, tolling agreements and partnerships with industrial energy consumers.

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 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.

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

Atmoce – low voltages for increased 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.

Large-scale storage installations underpin flexibility in evolving power systems

Croatia – study outlines need for large-scale battery deployment

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New analysis finds Croatia may require up to 1,620 MW of battery storage to support renewable expansion and shows how needs vary across different deployment scenarios.

Luis Haya is Chint's expert for safety.

Chint Power Systems – safe storage for C&I

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PV Guided Tours: Industry and commercial enterprises can reduce electricity costs in various ways using storage systems – but security is key. Luis Haya, Solution Manager Chint Power Systems, explains which features are needed to ensure security is safeguarded.

Stephan Lehrke, Head of Second Foundation Germany and former BCG consultant, brings decades of experience to the energy sector.

Why trading is central to BESS profitability

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As European balancing markets near saturation, the business model for battery storage is undergoing a fundamental shift. Securing long-term returns now demands that optimisers adopt sophisticated spot trading strategies, argues Stephan Lehrke of Second Foundation.

Contribution of demand-side flexibility to peak electricity demand in France in 2025

Analysis: Demand-side flexibility challenges storage in key markets

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Flexible demand is already competing with battery storage in parts of ancillary services and capacity markets, though evidence of broader effects on wholesale price spreads remains limited, says Pexapark analyst Nicolas Briet.

Guest author Felix Krause, founder and CEO of Vireo Ventures

Energy limits – the real constraint on AI expansion

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Chips and valuations dominate the AI narrative, but reliable electricity is emerging as a key constraint on infrastructure build-out and long-term competitiveness, says Vireo Ventures CEO Felix Krause.

Guest author Moritz Rolf, Vice President Europe at Sungrow

How to tackle the gridlock challenge

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Europe’s power grids resemble a congested highway, with renewable projects queuing for connection. Moritz Rolf of Sungrow outlines how storage and coordination can help ease the bottlenecks.

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.

René Gelfert (right) lifts the lid on Solis’ C&I storage solution

Solis enters the ring with all-in-one C&I storage

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PV on Tour – The Evercore series from Solis integrates inverter, battery and energy management in a single unit, offering 100 kW power and 120 kWh capacity. The larger version delivers up to 261 kWh, paired with a hybrid inverter rated at 50 or 60 kW.

Prices for low-voltage residential systems edged up, and declined for high-voltage premium

March Battery Index – residential prices fall, C&I softens

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Figures from sun.store show a broad price correction in residential batteries, while commercial and industrial prices declined across both capacity ranges, with sharper drops in smaller systems.

A box of backup – the Powercore G2

Tesvolt presents 500 kWh Powercore G2 storage for C&I

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Built on Whes hardware and proprietary software, the system is designed to scale across commercial and industrial settings, with additional applications in smaller utility environments.

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Fronius Reserva Pro – storage for high energy demand

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As energy demands grow, flexibility and reliability become even more essential. Designed for commercial operations, agricultural businesses and larger residential buildings, the new Fronius Reserva Pro delivers both. This high-performance battery system offers impressive capacity, European cell and module manufacturing, and seamless integration into the Fronius ecosystem.

 

Visualisation only, but the real-world physics of hybrid renewable energy is equally dramatic

Hybrid PV and finance models take centre stage at Intersolar Europe

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Hybrid power plants combining PV with wind and battery storage are gaining ground across Europe and will feature prominently at the industry gathering in Munich from 23 to 25 June.

Large-scale battery containers are opening up new paths for investors.

Solar Investors Guide #2 – 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 our latest free e-paper now.

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.

Hithium’s new large-scale battery energy storage system (BESS) on display in Rimini

KEY - Hithium rolls out modular Power Flexsso easing BESS transport constraints

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Hithium’s modular Power Flexsso, offered in 3.125 MWh and 6.25 MWh (four-hour) configurations, weighs under 26 tons per unit, allowing standard road transport and simplifying deployment across regions with logistical constraints.

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.