Changes sweeping the electricity sectors in Japan and China suggest a hugely uncertain future for coal-fired power and a rapidly increasing risk of stranded assets.
Australia's Taurus raised $683m to invest in mining company debt last year, while two funds currently in the market are targeting investor capital of $800m.
Strong performance also came on the back of strategic initiatives, such as non-core asset sales, aggressive cost control measures and a disciplined approach in reducing debt.