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Our guest author Thomas Hartauer is founder and CEO of CAV Partners

How Italy is advancing the solar energy transition

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Germany pioneered the expansion of photovoltaics, but has also encountered the limits of its system: overloaded grids, negative electricity prices and lengthy permitting processes. Thomas Hartauer of CAV Partners explains how Italy is tackling these challenges.

Businesses in Croatia can access low-interest loans for constructing their own solar power systems

Croatia sets new rules for commercial solar funding

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From 2025 to 2029, companies will have access to low-interest loans, including for the construction of photovoltaic systems, though several eligibility criteria must be met.

The Clusterbox stacks up literally and figuratively

New Clusterbox – scalable storage from Solarwatt

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The new Battery Vision Clusterbox from Solarwatt enables users to link up to ten storage units, creating a single system with a usable capacity of up to 182 kilowatt-hours.

Kristian Ruby, Secretary General of Eurelectric.

Kristian Ruby: “We must accelerate electrification in all sectors”

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Boosting electricity demand and flexibility is key to unlocking the benefits of the energy transition, says Eurelectric.

Leafing through innovations in solar, one module at a time

Innovation Gallery presents solar, storage and digital advances

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This November, Madrid’s international Genera and Matelec fairs will showcase cutting-edge developments in photovoltaics, energy efficiency and digitalisation. Free tickets are available for our readers.

The Solar Investors Guide is published at regular intervals.

Solar Investors Guide – ELTIF 2.0 and PPAs open doors for investment

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The updated European Long Term Investment Fund regulation broadens access to solar projects for institutional and private investors, while PPAs now offer returns independent of public subsidies.

PMT’s titanium system specialises in balancing out irregular ground

Solar parks – tough terrain no longer a deal-breaker

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Slopes and scrappy plots are no longer off-limits for PV. A new generation of mounting systems is making it easier to install in once seemingly impossible locations. Read our innovation report for insights into the new technologies.

Patrick Schmidt-Bräkling, Head of PPA Europe South-West at BayWa r.e.

BayWa r.e.: “Co-located storage is a more complex challenge”

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Patrick Schmidt-Bräkling of BayWa r.e. explores uncertainty and future prospects in Europe’s solar PPA market and co-location sector.

Our guest author, solar market expert Gerhard Scheper

China’s solar rebate rollback signals squeeze on margins

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The world’s solar markets are set for major upheaval following a subtle shift in Chinese policy – a move that was long overdue and will have painful consequences, says European Solar CEO Gerard Scheper.

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 charge power. Housed in a single container, the modular unit suits 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 like iron, salt and water.

Our guest author Benjamin von Berg is an agri-PV expert and key account manager at Trinasolar

Agri-PV – from niche solution to mainstream adoption

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With advances in standard PV equipment and proven mounting systems, agrivoltaics is moving beyond its experimental phase and entering mainstream deployment, explains Benjamin von Berg of Trinasolar.

Beatriz Corredor, head of grid operator Redeia, addresses the XII Solar Forum in Madrid

UNEF: PV and storage central to Spain’s industrial future

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At the XII Solar Forum in Madrid, Spain’s solar industry urged regulatory action to better integrate photovoltaics and storage, highlighting grid stability, reindustrialisation and the crucial role of battery storage.

A row of five C Series battery cabinets

Delta debuts its high-capacity battery cabinet for C&I

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The new C Series battery cabinet delivers 125 kilowatts of power and 261 kilowatt-hours of storage, all within a compact footprint of less than 1.5 square metres.

Marija Hanzec (left), spokesperson, and Filip Kušević, legal advisor, represent the Zagreb-based Renewable Energy Sources of Croatia (OIE)

RES Croatia: “Lengthy approval processes are an obstacle”

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With an abundance of sunshine and long coastlines, Croatia offers immense PV potential. But investors, developers and homeowners face major challenges. Experts Marija Hanzec and Filip Kušević from the Croatian Renewable Resources Association (OIEH) share their insights.

Parking garages are attractive assets that enhance their worth through solar facades.

Solar Investors Guide: Solarised parking and charging

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The era of petrol and diesel dominance is drawing to a close. Mobility is transitioning to electric, with millions of private electric cars, company fleets, and commercial vehicles creating new demands on the energy supply. Filling stations, parking garages, and parking lots now represent opportunities to provide EVs with solar power.

Solar on the open seas – modules are installed on the carrier deck.

Hybrid cargo ship sets sail with Longi solar tech

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China’s largest dual-propulsion car carrier has been equipped with over 500 solar modules, combining LNG and PV to advance clean maritime operations.

Packing a punch – the insides of an InstaVolt battery storage unit

UK – InstaVolt adds storage to ultra-rapid EV charging

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Battery storage will soon power InstaVolt’s ultra-rapid chargers at a new UK motorway site, helping to deliver faster and more reliable charging for electric vehicle drivers.

Volkswagen’s factory in Poznan was recently solarised

Next investor newsletter: Polish markets opening up

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The Polish market remains challenging, yet solar and storage remain resilient, with strong growth for e-mobility, C&I, and grid-connected parks. Don’t miss our upcoming investor newsletter on 19 November 2025 – sign up now.

Stephan Schindele (right) and Karsten Schäfer discuss the emerging opportunities for PV in Europe.

Solar Investor’s Guide #11: Agri-PV reimagines farmland for the future

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Podcast: Elevated solar modules and solar fences are helping farmers generate clean solar power on their pastures and arable land. Stephan Schindele, head of the agri-PV division at BayWa r.e., explains how agricultural transformation and the energy transition are interconnected, offering clear benefits for both farmers and investors. Several countries across Europe are already leading the way with large-scale agri-PV projects.