The fourth edition of the Solar Winter School took place from 16 to 20 February 2026 at the Pierre Laffitte campus in Sophia Antipolis, organized by the SciDoSol Sponsorship Chair of the Centre O.I.E., at Mines Paris – PSL.

The school welcomed 32 international attendees, including engineers, master's students and PhD candidates from academia and industry, working in renewable energy and interested in modelling the solar resource at the surface of the Earth. Participants came from France, Germany, Trinidad and Tobago, Cyprus, Spain, La Réunion, Belgium, Austria and the United States.

The five-day program combined courses, hands-on workshops, a tour of the SciDoSol solar monitoring station, PhD posters and flash presentations, a master class day, and networking sessions to foster collaboration and experience sharing amongst the attendees and lecturers.

The courses covered during fourth edition of Solar Winter School included:

• basics of solar modelling,
• in-situ pyranometric measurements,
• solar resource assessment and forecasting based on Earth Observation with satellites, numerical weather models, chemical transport models and in-situ measurements
• environmental assessment of PV and agriPV plants
• site prospection for urban PV

Lecturers were affiliated with the Centre O.I.E., CalibSun and an external expert.

The attendees and the team of the Solar Winter School 2026.

Visit to the SciDoSol solar monitoring station.

Presentation by Yves-Marie Saint-Drenan.

PhD students and Postdocs showcasing their activities in the poster session.