The global solar photovoltaic power market has added about 6.4GW of installed capacity in 2009, totalling over 20GW according to the European Photovoltaic Industry Association (EPIA).

Despite difficult financial and economical conditions, the surge has been supported by government subsidies that include feed-in tariff schemes.

Last year Germany remained the largest market adding 3GW of capacity, closely followed by Italy, Japan and the US markets.

Germany is expected to remain the largest market in 2010, while new markets, in particular from Southern Europe, Asia and the US will grow significantly.

Spain however, faced by cap in subsidies, only added 60MW in 2009.

The EPIA predicts global cumulative installed PV capacity to grow by at least 40% in 2010 with Germany still leading the solar markets.