TransAlta Corp said that it will shut down two units at the Sundance coal-fired power plant in Alberta, Canada, to inspect boiler tube conditions.
The Sundance 1 and 2 power units, which have a combined generating capacity of 560MW, will be unavailable up to 15 February.
The Sundance 1 unit was commissioned in 1970, while Sundance 2 was originally commissioned in 1973.
The units are part of the 2,126MW Sundance power plant, which has six individual units and serves as a baseload facility for the Alberta electricity system.
Canada-based TransAlta is a power generation and wholesale marketing company.