A fire has caused Australia's Blakefield South coal mine in New South Wales state to close down, says owner Xstrata.
Eskom says contingency plans are in place to ensure it generates enough electricity in spite of heavy rains disrupting coal supply to stations.
The Richards Bay Coal Terminal managed its best performance in three years during 2010, but the amount of coal being exported remains way below its installed capacity.
Record flooding in Australia's northeast continues to cut coal exports.
Anglo American has pronounced force majeure on its coal mines in Australia's Queensland state due to prolonged heavy rains.
BHP Billiton has declared force majeure on some coal operations in Queensland's Bowen Basin.
Anglo American Metallurgical Coal says heavy rains have impacted its coal production in Australia's Queensland state.
Rio Tinto is bidding for Riversdale Mining and has already secured options over 14.9% of the firm, but it could face stiff opposition from India's Tata Steel.
It's looking good for export thermal coal and rough diamonds in the new year, according to RBC Capital Markets, but the firm is more cautious on the prospects for nickel.
An Indian consortium of state-run companies is considering a bid for a stake in Riversdale Mining as the country steps up its search for African coal assets.