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The grid near Jönköping, where regulators want more use made of existing lines

Sweden – regulators move towards grid rules that reward flexibility

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A new revenue-cap method for 2028–2031 and a proposed central data hub could change how network operators earn money and how storage and demand response reach the market.

Solar on every level – the Leimholz Haag plant, with Lake Constance in the background

Switzerland – fire safety shaped the solar build at a timber plant

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Leimholz Haag, which lost an earlier site to a blaze, made arc fault protection and safe DC shutdown central to its 521 kW rooftop system. Two batteries will follow this autumn.

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.

Each zone gets its own threshold, and the crosshair marks the hottest point in view

Flir cameras gain first UL listing as thermal fire detectors

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The A40 and A70 from Teledyne Flir have gained listing under ANSI/CAN/UL 2684, which sets the rules in North America for video and thermal imaging detectors in fire alarm systems.

A row of Fronius inverters that helps keep the power flowing in Parsdorf, Germany

Forget the modules: Europe’s solar future is in BOS

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Panels get the attention, but balance-of-system components now account for a third of utility-scale project costs. A SolarPower Europe report shows where Europe can keep its edge.

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.

Prices for residential systems eased in October

October Battery Index: residential prices slip, commercial diverges

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Residential storage prices fell in all three segments in October 2026, with low-voltage systems at €92.6/kWh, while commercial pricing climbed in the 20–60 kWh band and eased in the 60–120 kWh band, according to sun.store data.

The modules travelled from eastern Germany to a children’s hospital in Ukraine

Dismantling and reinstalling a solar power system for Ukraine

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In 2024, Greenpeace and the Biohaus Foundation took down a 100 kW solar system in eastern Germany and rebuilt it at a children’s hospital in Kremenchuk. The video shows the technical and logistical hurdles involved.

The upgraded Soluxtec line now back in motion and set up for G12 TOPCon

Soluxtec bets on bigger wafers and a German address

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After a full upgrade, the module maker is back in production, launching a GT series alongside Das Modul and counting on local manufacturing to win customers at home and in four neighbouring markets.

Jorge Arenillas of Encavis (left) and Alejandro Tejero-Garcés of Visalia at the solar and wind parks in Aragón

Spain – Encavis signs its first hybrid solar-wind PPA

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The Hamburg-based renewables group will supply Spanish energy and telecoms operator Visalia from two solar parks and three wind farms in Aragón, delivering 60 GWh a year for three and a half years.

Ludwig Schletter (right) talks about bigger projects and bigger solar roofs

SL Rack: innovations in roof mounting

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CEO Talk: Demand for private and commercial solar rooftops is picking up and the expansion of solar parks continues to accelerate. Yet rising metal prices and energy costs are putting pressure on suppliers of mounting technology. Ludwig Schletter, CEO of SL Rack, talks about the challenges.

Pick the manufacturer, follow the steps, and the device is connected

New my-PV app links heaters, inverters and storage

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The Austrian manufacturer’s new app for installers and end customers automatically detects devices on the home network, including hardware from more than 90 partner brands.

The current is rising, and so is the pace of commercial EV charging

Solar Investors Guide – Energy for cars and trucks

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The number of electric cars worldwide is rising rapidly. Making affordable charging power available means speeding up the rollout of charge points on private land, in semi-public areas and in public spaces.

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.

How the four module segments have moved since January

PV Index: Full Black leads price rises as demand eases

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All four module segments rose in price in October, according to sun.store data, while its PV PMI slipped to 65 from 67, just below the long-term average of 68.

Burgos lies in the north of the region, where less sunshine would make a per-hectare tax harder to bear

Spain – Castile and León plans per-hectare tax on solar parks

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The proposal has drawn sharp criticism from the industry association UNEF, which warns that investors, host municipalities and consumers will all be worse off.

A minute-by-minute pattern in grid frequency, now traced to its source

Germany – a 60-second grid mystery, solved with a simple fix

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Large backup batteries that check their charge at the start of each minute cause a regular dip in frequency worldwide, Jülich researchers report after a search lasting several years.

Installers get a closer look at Alpha ESS’s new single-phase and three-phase storage in Zagreb

Croatia – Alpha ESS widens its storage push across the Adriatic

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The battery specialist, which has already supplied more than 300 units to regional grids, went to Zagreb’s Green Energy Fair to find new installers and launch new C&I and utility-scale systems.

Philipp Kunze (right) has plenty to say about project business

NextPower: more value from utility-scale projects

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CEO Talk: Utility-scale solar projects across Europe are under growing cost pressure, even as expectations around yield, grid integration and long-term profitability continue to rise. Which new ideas boost project value, and which innovations matter most to the market? Let‘s find out.