Articles written by Erik Wallnér

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Research & Development
Update: New tech to produce hydrogen from tap water A Spanish scientist has developed a system that reportedly produces hydrogen on-site without expensive electrolysis. The prototype utilises a water tank that is initially filled with water, ferrosilicon, and sodium hydroxide.
Pilar Sánchez Molina
Jul 28, 2022
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Research & Development
Fully autonomous robot for solar O&M OnSight Technology has developed a tele-operated vehicle to clean solar arrays. It is equipped with a radiometric thermal imaging camera and an optical zoom camera backed by artificial intelligence. It has a range of 12 hours and a speed of 1.6 km per hour.
Pilar Sánchez Molina
Mar 13, 2022
1
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Applications & Installations
Hybridising PV, redox flow batteries and geothermal heat pumps A Spanish consortium is equipping one of Madrid’s largest metro and bus stations with a hybrid system that combines PV, geothermal pumps, and vanadium redox flow batteries to provide cooling and heating.
Pilar Sánchez Molina
Mar 08, 2022
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Applications & Installations
Australian-led consortium acquires French solar company with 15GW under development A consortium led by Australian financial group Macquarie Asset Management will acquire French solar developer Reden Solar. The $3.7 billion (€2.5 billion) transaction is expected to be finalised in the third quarter of this year.
Pilar Sánchez Molina
Mar 07, 2022
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Markets & Policy
New PV module recycling tech French start-up Rosi Solar has developed an industrial solution claimed to be capable of recovering high purity silicon, silver and copper contained in end-of-life PV modules. The company’s technology is based on a pyrolysis process that makes it possible to isolate the different metals from the cells.
Marie Beyer
Feb 15, 2022
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Applications & Installations
Australian zinc-bromide batteries chosen for Acciona’s Spanish testing field Gelion’s zinc-bromide Endure batteries will undergo commercial tests at the 1.2 MW Montes del Cierzo testing field Spanish renewable energy company Acciona Energía operates in Navarra, in the north of Spain.
Bella Peacock, Pilar Sánchez Molina
Feb 01, 2022
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Applications & Installations
Canadian fund Omers plans to acquire 49% of FRV Australia Fotowatio Renewable Ventures’ (FRV) Australian platform includes 637 MW (DC) in projects already operational or under construction, and a pipeline comprising 7 GW of solar projects and 1.3 GWh of battery storage.
Pilar Sánchez Molina
Oct 18, 2021
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Research & Development
New tracker design for agrivoltaics Spanish company Axial Structural is introducing a new type of tracker for agrivoltaic installations. The product can be adapted to various ground conditions and gradients, with programmable to optimise light and shade for different crops in different climates.
Pilar Sánchez Molina
Oct 17, 2021
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Applications & Installations
When does revamping pay off? With projects in many PV markets ageing past the 10-year mark – with major leaps in technology having occurred in that time – revamping is a popular topic among asset owners. Pv magazine spoke with Asier Ukar, general manager of the Spanish subsidiary of German testing company PI Berlin, to uncover the benefits of revamping PV projects with new components and also to examine the challenges and risks involved.
Pilar Sánchez Molina
Jul 11, 2021