Optimum Coal Holdings has been hit by lower export prices for coal and the stronger rand.
Resource Generation took an important step forward in developing its Boikarabelo coal mine in the Waterberg after signing an offtake agreement.
Eskom has dismissed claims that SA faces a dire situation because of delays with the Medupi power station.
A farm swap between Rio Tinto, the UK miner, and Coal of Africa Ltd has been approved which CoAL boss John Wallington said would lead to larger project developments.
A solid set of results despite difficult trading conditions has put Petmin in the position where it could declare a maiden dividend while investing R120m at its Somkhele anthracite mine.
The Gulf of Mexico oil spill involving British petroleum giant BP continues to dig into the company's pockets having cost about $8bn since April.
Keaton Energy is confident its first large coal mining project, Vanggatfontein in Mpumalanga, will be a major supplier of A-grade coal in the local market.
US crude oil prices have posted the first monthly decline since May as concerns about faltering economic growth, weak demand and bulging oil inventories pressured crude and gas.
Eskom has expressed concern over the quality of coal from domestic suppliers, which might affect its operations and push up prices.
The strike by more than 600 workers at Exxaro Sands inKwaZulu-Natal, now in its fourth day, will spread "like wildfire", the National Union of Mineworkers says.