New figures from consultancy Frost & Sullivan suggest installed capacity of non-hydro-based renewable energy will grow from 9% in 2012 to 23% by 2030 as utility-scale PV challenges conventional gas-fired generation at peak times.

Wind power, which suffered a backslide in investment in large part due to the to the expiry of production tax credit in the US, is expected to continue its recent rebound, bolstered by emerging markets in developing economies.

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