Under the 2004 Energy law, customers in Croatia are allowed to choose their preferred distributor of electricity. However, HEP Operator distribucijskog sustava or HEP-ODS (a Hrvatska elektroprivreda subsidiary) remains the largest distributor to both industry and households. Its distribution grid is 132,938 km (82,603.84 mi) long, with 26 764 transformers installed, totaling 14 170 MVA of power.