The Dec11 EUA contract recovered after falling below €17 ($24.30) in the last week of March, but there was little enthusiasm for levels above €17.30. However, prices received support from concerns that the three-month shutdown of seven German nuclear reactors may be extended, with coal- and gas-fired power plants having to make up the shortfall.. The EU released preliminary data for 2010 emissions under the EU ETS on 1 April, and although it showed emissions had risen 3.5%