The issuance saw high interest totaling 112 million euro, GEN-I said in a filing with the Ljubljana Stock Exchange on Friday.
The bonds were issued in digital form and will be listed on the Ljubljana Stock Exchange after regulatory approval, GEN-I said.
Nova Ljubljanska Banka [LJE:NLBR] is providing advisory services for the issuance.
In March 2017, electricity and gas trading company GEN-I Sonce, a fully owned subsidiary of GEN-I, issued a seven-year green bond worth 14 million euro, with the proceeds to be invested in photovoltaic projects.
($ = 0.9346 euro)