The report shows that the global cumulative installed solar PV capacity increase of 100% demonstrated during 2009-2011 is likely to grow even further as mass power consumers China and the US reach grid parity within the next few years.

In the US, solar PV technology is expected to reach grid parity for some PV projects in 2014, and by 2017 most regions in the country are expected to reach grid parity in alignment with average electricity prices in the residential sector.

China is also due to witness similar developments, with grid parity for solar expected to reach in most regions by 2015-2016.

Levelized cost of electricity is the price at which electricity must be generated from a specific source to account for the cost of the energy-generating system. The LCOE for solar PV will continue to decrease, due to declining capital costs and increasing capacity factor.

These factors, combined with a lack of fuel costs, low operations and maintenance costs mean that the LCOE of solar PV technology is expected to be lower than average retail electricity prices from 2017 onwards.

Solar PV is a major renewable source of energy across the globe, accounting for around 14% of the global renewable capacity. It is also the fastest growing renewable power source in the world, having grown at a compound annual growth rate (CAGR) of 56.4% over the past five years.

The global solar PV market had high growth in 2010 and 2011, with 44.3 gigawatts (GW) of installed capacity coming online in these two years, in contrast to the 14.8 GW installed during 2008 and 2009.

Europe is currently the largest market for solar PV, but is expected to lose its market share to newly emerging markets such as India and China.

These countries have announced ambitious PV targets, and are seen as the next hotbeds for PV investment, cushioned by favorable policy frameworks for the development of the renewable energy market. The global solar PV installed capacity will continue to grow at a CAGR of 20.2% 2011-2020, to reach 362,842 MW by 2020.