(ADPnews) - May 26, 2010 - Attractive investment conditions in the first half of 2010 will partly offset the impact of the upcoming feed-in tariff (FIT) cut, allowing Germany to install 6.6 GW of photovoltaic (PV) systems in 2010, up 71% from 3.9 GW in 2009, according to research outfit iSuppli.