Reviewed 15 August 2026

Prior notification is common, not universal
For many rooftop installations on urban property, a comunicación previa is the relevant municipal route. Rural land, listed buildings, historic centres, ground-mounted arrays and visible work in protected settings can require different checks.
Solar self-consumption also has technical registration and grid procedures. IDAE’s professional guide sets out national routes for individual and collective systems, while local execution belongs with an authorised installer and the relevant authorities.
Check before equipment is ordered
Fincas can raise questions about the legal building record and landscape rules. Apartment communities need a valid ownership decision and an agreed method for using or allocating generation.