PV permitting in Jura: notification or permit?

Roof geometry determines the first procedural route. On pitched roofs, the system may project no more than 20 cm perpendicular to the roof and must not extend beyond the roof edge when viewed from above. On flat roofs, the maximum is 1.00 m above the upper roof edge; the system must also be hidden from below at a 45-degree viewing angle.

Protected status can exclude the notification route. In Jura, a building permit is required, among other cases, for sites in the Federal Inventory of Landscapes of National Importance (IFP), ISOS sites with protection objective A, protected buildings under Art. 24d para. 2 RPG or Art. 39 para. 2 RPO, and buildings listed in the Répertoire des biens culturels (RBC). For IFP and ISOS-A cases, the Commission des paysages et des sites (CPS) can give a preliminary opinion; for RBC buildings, the Office de la culture is the relevant specialist authority.

A ground-mounted location is not a normal notification case. Under the Jura guide, solar systems on the ground in a building zone always require a building permit. On an undeveloped plot, the necessary link to a primary use is generally missing; outside building zones, Art. 24 and 24ter RPG and Art. 32c and 32d RPO also need to be assessed.

Local building rules can specify the federal and cantonal framework. The municipality must check any local provisions in the règlement communal sur les constructions (RCC); the Jura guide refers to Art. 32a para. 2 RPO. A roof surface that appears to meet the formal limits is therefore not automatically permit-free if special local rules apply at the site.

Complete documents are decisive for the 30-day review. The form dated 1 July 2026 requires, among other things, a signed site plan, signed plan, section and facade views, and the panel data sheet with evidence of low reflectivity. If attachments are missing, the municipality requests additions and work may not start in the meantime.

The responsible authorities act in sequence. The municipality decides within 30 days at the latest after receiving a complete notification whether notification or a permit applies. If notification is allowed, it forwards the complete submission to ECA Jura for its report on fire protection and natural hazards; a permit application is filed through JURAC. Construction can start only after the applicable procedure is complete.