Crédit Agricole, HSBC, LBBW and UniCredit have been mandated to arrange the global investor calls in German and English on Thursday and Friday.
A debut euro green bond will follow, subject to market conditions.
The German state is planning to size the green bond at €300m, equalling 98.9% of its eligible green expenditures from its 2020 budget.
The proceeds of Baden-Württemberg’s green bond will be used to refinance ecologically sustainable projects.
“For years, we have focused on investments in environment and climate protection,” said Edith Stizmann, Baden-Württemberg’s finance minister, in a statement. “We are giving the capital market the opportunity to participate in this directly with our green bond.“