Arnot Coal Power Station in Mpumalanga, South Africa, is a coal-fired power plant operated by Eskom.

Construction of Arnot Coal Power Station started in 1968, this generation unit went on line in 1971 and the station was fully operational by 1975. Between 1992 and 1997 three of its units were mothballed due to Eskom's surplus generating capacity, but they were brought back online in January 1997, November 1997 and December 1998 respectively.

Power generation is by six 350MW units with at total installed capacity of 2,100MW. Turbine Maximum Continuous Rating is 35.60%.

In addition to feeding the South African grid, Arnot, along with Camden Power Station, also feeds the Mozal Aluminium smelter in Mozambique via 400kV transmission lines. Mozal consumes around 950MW.