45232221 - Transformer substation

CPV code 45232221 in the EU Common Procurement Vocabulary refers to Transformer substation. It sits at level 6 of the CPV hierarchy as a subcategory within the 45 division. This code is nested directly under 45232200, narrowing the broader category into the specific area of transformer substation. As a leaf code, 45232221 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 transformer substation. Contracting authorities across the EU use 45232221 in TED notices and national procurement portals to signal that a tender relates to transformer substation.