With the words “Wärme frei!” (“Release the heat!”), heat began to flow to the Hamburg district HafenCity East today. On the Aurubis plant premises, First Mayor of Hamburg Peter Tschentscher, Environmental Senator Jens Kerstan, Aurubis AG CEO Jürgen Schachler, enercity AG CEO Susanna Zapreva, and Aurubis’ Head of Energy Affairs Ulf Gehrckens turned a large dial, starting up the new heat pipeline.