Sufficient expansion of power grids is key to speeding up Germany’s energy transition as envisaged under a recent coalition contract between the country’s conservatives and Social Democrats, stressed the likely new economics and energy minister, Peter Altmaier.

Chancellor Angela Merkel’s Christian Democrats (CDU), her Bavarian allies from the Christian Social Union (CSU) and the Social Democrats (SPD) earlier this month agreed to boost the country’s 2030 renewable electricity target to 65% (up from 36% last year).