Medupi Power Plant, South Africa

6 x 800 MW power plant

Medupi Power Plant, South Africa, coal-fired power plant with six 800 MW blocks

Electricity Supply Commission (Escom)
1091 Johannesburg (ZA)

Project description

The Medupi power plant consists of six blocks with a maximum building height of 112 m. The delivered steel sections weight a total of 20,000 tons.

Client, principal contractor

Hitachi Power Europe GmbH
47059 Duisburg, Germany


Donges SteelTec GmbH

Technical specifications

130 m high boiler frame with boiler roof and eight bunker hoppers (BUT)

Steel structure 7,700 t in total (boiler and roof)

480 t steel construction (BUT)


Fabrication and corrosion protection of the steel structure for:
– Boiler frames incl. boiler ceilings
– Air preheater, bunker house, adjoining building
– Auxiliary assembly structures, railings, grates and screws

The scope of services also included:
– Detail engineering, assembly planning
– int. plan management and technical support in the form of production and assembly optimization measures, including those on site.

Construction period

Construction period 2011 / 2013