Almost 4.4 gigawatts (4,373.5 megawatts) of photovoltaic capacity were installed in Germany in the first half of 2012, according to new estimated numbers from the Federal Association of Energy and Water (Bundesverbandes der Energie- und Wasserwirtschaft, or BDEW). It was the biggest first half of solar PV growth in Germany’s history of subsidized solar PV development, a 47 percent advance on the first half of 2011. Adjustments in the feed-in tariff (FIT) and planned further adjustments were a major factor in driving growth. Growth leapt after a fast first quarter of 1.9 gigawatts....