Solar power in Germany consists mostly of photovoltaics (PV) and accounted for an estimated 6.2 to 6.9 percent of the country's net-electricity generation in 2014. The country has been the world's top PV installer for several years and still leads in terms of the overall installed capacity, that amounts to 38,359 megawatts (MW) by January 2015, ahead of China, Italy, Japan, and the United States.About 1.4 million photovoltaic systems are installed all over the country, ranging from small roof-top systems, to medium commercial and large utility-scale solar parks, that altogether contributed 35.2 terawatt-hours, or about 6.9 percent in 2014 (preliminary estimate). This brings the country's share of renewable electricity to about 31 percent, and in line with the official governmental goal of reaching 35 percent by the end of the decade. However, new installations of PV systems have declined steadily since the record year of 2011 and continued to do so throughout 2014. It's estimated that about half of the country's jobs have been lost in the solar sector in recent years. While proponents from the PV industry blame the lack of governmental commitment, others point out the financial burden associated with the fast paced roll-out of photovoltaics, rendering the transition to renewable energies unsustainable in their view.