The report “Global Trends in Renewable Energy Investment 2016” by the UN Environment Programme said the developing world including China, India and Brazil committed a total of $156 billion in new renewables capacity last year, up 19 per cent on 2014.
Investments by developed countries were down eight per cent in 2015 to $130 billion.
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The year 2015 was the first time when investment in renewables in developing countries outweighed that in developed economies, the report said.
A large part of the record-breaking investment in developing countries took place in China, which lifted its investment by 17 per cent to $102.9 billion, more than a third of global commitments.
India was also among the top 10 investing countries in renewable energy, with its commitments rising 22 per cent to $10.2 billion.
The US, Japan, UK Brazil, South Africa, Mexico and Chile all made it to the top 10 investing countries in 2015.
“The investment (in India) took place against a backdrop of pro-renewable policies introduced by India’s BJP government. These include a target to almost- triple wind capacity to 60 GW by 2022,” the report said.
Within the developing-economy category, the “Big Three” of China, India and Brazil saw investment rise 16 per cent to $120.2 billion, while other developing economies enjoyed a 30 per cent bounce to $36.1 billion.
Among developed countries, investment in Europe was down 21%, from $62 billion in 2014 to $48.8 billion in 2015, the continent's lowest figure for nine years despite record investments in offshore wind projects.
The US was up 19% to $44.1 billion, and in Japan investment was much the same as the previous year at $36.2 billion.
The report said India enjoyed a second successive year of increasing investment, breaching the $10 billion for the first time since 2011.
It added that the highlight of India's performance in 2015 was a jump in utility-scale solar financings to $4.6 billion, up 75% on the previous year, although still a little below the 2011 record of $4.9 billion.
Among the big projects getting the financial go-ahead were the NTPC Kadiri PV plant phase one, at 250 MW, and the Adani Ramanathapuram PV installation, at 200 MW.