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All articles of topic solar storage

Stephan Rohr, CEO of Twaice  

Second Foundation partners with Twaice for BESS analytics

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Energy trader Second Foundation is connecting its more than 500 MWh battery portfolio to Twaice’s cloud-based analytics platform to strengthen monitoring, optimise performance and support data-driven operation across its growing storage fleet.

Belgium is fostering large-scale battery storage through targeted regulation

Belgium – Wärtsilä 50 MW / 100 MWh storage wins CRM tender

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Gramme Storage 1 is designed to support grid stability and will form part of Belgium’s Capacity Remuneration Mechanism.

Joan Groizard, Spain’s Secretary of State for Energy, opens Unef’s storage summit in Madrid

Unef summit in Madrid – storage central to Spain’s evolving energy system

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The Spanish solar association Unef recently hosted its fourth Storage and Hydrogen Summit in Madrid. Participants from politics, regulatory bodies and industry examined storage, market design, financing and permitting.

Solar Flex Croatia returns for its second event

Zagreb event spotlights battery storage and grid flexibility

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 Croatian Solar Flex 2026 brings together investors to examine battery storage potential and the role of demand-side flexibility in lowering energy costs.

Strong visitor interest at Metlen’s stand 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.

Batteryshelter from Conduct is a snug and safe enclosure for residential batteries

Rising home battery market sharpens focus on safety risks

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Residential batteries are spreading fast alongside rooftop solar, and insurers are starting to pay attention. Dutch solar insurance expert Harry Wolkenfelt highlights the growing importance of siting and protective measures.

Up close with Longi’s new commercial and utility-scale storage systems

KEY 2026 – Longi and JA Solar step up European storage push

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Longi is recruiting service partners and staff for its European storage division, while JA Solar prepares to launch a large-scale battery storage system later this year.

Varta’s new Vartawall BM2 home storage system with monitoring via mobile app

PV Europe products of the week – special focus on KEY Rimini

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Varta introduces a home storage system with bidirectional charging support. Array Technologies highlights new tracker features, while Nidec, Futurasun and others present storage, tracker and module innovations at KEY Rimini.

Franz-Josef Feilmeier (left) of Fenecon in our CEO Talk 2025.

Fenecon – innovations driving C&I storage

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CEO Talk: The market for home storage is sluggish, while C&I and large-scale storage are gradually gaining ground. To boost sales, the right strategy is essential. The key question remains: What factors determine success in this market? Franz-Josef Feilmeier, CEO of Fenecon explains.

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

Smarter, tougher, outdoors – Tesvolt’s latest 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. With high‑temperature LFP cells, traditional applications such as peak load capping and solar self‑consumption are now more cost‑effective. A 15‑year performance guarantee, covering two full cycles per day, ensures long‑term investment security.

Battery energy storage is set to be a major topic at the upcoming KEY conference in Rimini

KEY 2026 – Nidec Conversion debuts next-gen PCS

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At the Rimini trade fair, Nidec Conversion will focus on BESS and e-mobility, presenting a newly developed power conversion system for storage, PV and hydrogen.

Solar, storage and scenery in perfect formation – a template for the next wave of Greek energy projects

Greece – Joint venture for 251.9 MW PV, 375 MWh storage plant

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Metlen and Tsakos Group will jointly invest in one of Greece’s largest hybrid plants, combining large-scale solar generation with 375 MWh of battery storage, scheduled for completion in early 2028.

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.

Home-scale hardware meets pocket-sized command centre – Varta Pro with Varta IQ in control

New Varta system pairs outdoor design with bidirectional charging

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With the Vartawall BM2 battery system, Varta expands its home storage range with a modular LFP system engineered for outdoor use at temperatures as low as minus 10 °C.

A visualisation of the planned 65,400 m² Sungrow factory in Wałbrzych

Poland – Sungrow expands with 12.5 GWh storage and 20 GW inverter site

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Backed by a €230 million investment, Sungrow’s first European factory in Wałbrzych is set to begin operations within 12 months, producing battery storage systems and PV inverters for the European market.

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.

The new JAPlanet C&I storage system – soon on show in Rimini

JA Solar to present advanced TOPCon and C&I storage at KEY 2026

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The Chinese PV manufacturer will present its DeepBlue 5.0 n-type TOPCon modules and the JAPlanet battery energy storage system for commercial applications at the Expo in Rimini from 4 to 6 March.

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.

Space between containers at the test side was reduced to just 10 centimetres

Trina Storage validates Elementa 2 Pro fire safety in large-scale testing

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Supervised by fire engineering consultancy Hiller and certified by TÜV Rheinland, the test demonstrated the system’s enclosure integrity, fire isolation, use of resistant materials, and the reliability of critical systems under extreme fire conditions.

Sofar so good – Kenneth Frey of Sofar (right) explains the benefits of the system.

Sofar – new C&I storage systems

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CEO Talk: Power storage for C&I applications is booming. Sofar is expanding its portfolio with the launch of the new PowerIn system this year, and is ramping up sales across Europe. What's the strategy behind this push? Let‘s find out.

The future of energy, now with extra corners and reinforced hinges

Italy – Trina Storage and Aer Soléir secure 1,000 MWh project in Turin

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Awarded under Italy’s Capacity Market auction for 2027, the 250 MW / 1,000 MWh system in Rondissone will feature Trina’s latest Elementa 2 Pro batteries and a 20-year LTSA.

Ampace develops smart solutions for intelligent and secure batteries.

Ampace – advancing lithium-ion battery technology

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CEO Talk: In a world driven by electric energy, Ampace is one of the forerunners of technology. From cutting-edge batteries to intelligent energy solutions, the company is fuelling the future for all kinds of applications – one charge at a time.

High-voltage premium brand prices rose in January 2026, while prices for other segments declined.

January Battery Index highlights split trends in storage pricing

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Pricing trends in the new year reveal a split between premium, performance, and low-voltage residential systems, while commercial pricing stays largely unchanged compared to December, as per sun.store data.

Agriculture runs at full throttle, storage works quietly behind the scenes

PV Europe’s products of the week – focus on solar storage

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SMA launches an XL commercial storage package, Sungrow debuts Powertitan 3.0 and a new platform, Anker Solix introduces a portable station and EFT Energy Solutions enters C&I with scalable batteries.

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.