OKD, a coal mine, plans to increase its price for coal supplied to CEZ by over a quarter. OKD supplies CEZ with about 1m t of coal annually, which represents about 3.5% of total coal purchased by CEZ. No agreement between CEZ and OKD has been reached so far. The coal supplied by OKD is used for the Detmarovice power plant, which does not run at full capacity. There is speculation that OKD’s owner, Karbon Invest, is using the price hikes to push CEZ to sell it the power plant.