31121310 - Windmills

CPV code 31121310 in the EU Common Procurement Vocabulary refers to Windmills. It sits at level 6 of the CPV hierarchy as a subcategory within the 31 division. This code is nested directly under 31121300, narrowing the broader category into the specific area of windmills. As a leaf code, 31121310 has no further subdivisions and represents the most precise classification available in this branch — buyers should reference it directly in tender notices when the procurement primarily concerns windmills. Contracting authorities across the EU use 31121310 in TED notices and national procurement portals to signal that a tender relates to windmills.