German power companies on Monday warned of a potential gap between conventional electricity capacity and demand by 2023, urging policymakers to help investors by rewarding new capacity and speeding power grid expansions. Germany, Europe’s largest economy, may retire 26,000 megawatts (MW) of electricity capacity by 2023 while probably adding only 4,650 MW as current plans and building activities show, the German energy industry association BDEW said. “New capacity joining the market is not sufficient to compensate for what is disappearing in the successive exits from coal, and nuclear,” said Stefan Kapferer, BDEW’s managing director, in remarks prepared for delivery at a news conference.