Bulgaria's Power Distribution South launches equipment supply tender Transmission lines. Author: Nayu Kim. License: Creative Commons, Attribution 2.0 Generic. SOFIA (Bulgaria), March 5 (SeeNews) - Bulgaria's Power Distribution South, part of Austrian energy group EVN, said on Friday that it opened a 1.5 million levs ($915,400/766,900 euro) tender for the delivery of different types of 20kV cable adapters. The tender envisages the supply of some 1,700 cable adapters within a period of 24 months, the company said in a tender notice. The deadline for submitting offers is April 5. The public procurement procedure is open to candidates that have conducted works under contracts with similar scope in the last three years.