The January to March period saw investments of $50.5bn, down from $59.3bn in the same period of 2014 and $67.6bn in the preceding three months, according to BNEF’s latest quarterly figures.

The analyst said the first quarter is usually the weakest of the year for clean-energy finance.

It pointed to factors such as dollar exchange-rate changes and offshore wind investments in the year-ago first quarter.

“Without