IMS Research yesterday released an estimate of 26.5 GW globally installed solar PV in 2011. The company notes, that these are preliminary data and it is still finalizing its 2011 data.
Alone in Q4, 10 GW shall be installed, according to IMS.
Most important markets became Italy, Germany, UK and China.
Italy: 7 GW
UK: 0,8 GW
IMS forecast fpr 2012:
26-28 GW (globally)