Power Stations

Central Energy Fund / CCE – Biomass Power Station (George – South Africa)


Central Energy Fund (CEF) through their subsidiary company CCE, awarded MBH Energy with a R 96m contract to design, manufacture and erect a 8.3MW biomass power island in George (Western Cape). The contract included for a complete wood fired boiler island that will generate superheated steam at 45 bar and 430C to supply the steam turbine.

To date all pressure parts, gas clean up and water treatment equipment as well as the turbine and generator has been delivered to site. The project has had its delays due to unforeseen political stumbling blocks but is back on track having just made it through the REIPPP bidding round which will ensure an Eskom PPA.

Construction of the plant is expected to start before the end of 2014 which will allow us to be generating for the George area in late 2015.

Update will be posted.


NamPower – Van Eck Power Station               (Windhoek – Namibia)


NamPower awarded a R 65m contract to MBH Energy for the rehabilitation work of their Van Eck Power Station in Windhoek, this contract includes the renewing and improving the firing equipment on all four boilers to ensure successfully and efficient firing of the mixed fuel.

The scope of work included a range of new and modernized equipment. Firstly in order to successfully introduce the more brittle green coal into the furnace area without pulverising it, the decision was taken to replace all the old mechanical coal feeder spreaders with new DSC underthrow feeders. The new feeder design combines air assist with an Underthrow rotor mechanism.  This unique design discharges the fuel in the underside of the rotor, enabling the blades to contact the coal for a longer period of time.  This design feature, in conjunction with the pneumatic distributor plate, facilitates a more horizontal trajectory of the fuel, which distributes the fine particles more consistently onto the bed area.  This promotes better combustion efficiency by reducing the carbon content of the ash.  This system is ideal for distributing fuels of inconsistent size and is a first for the African continent.

Another upgrade to the Van Eck Power Station is the replacement and modernisation of the moving DSC Roto Grate system. Modernisation of this includes a new support beam structure, air seals, chains and grate bars as well as a new arrangement for the rear tuyeres, all of these components have developed and drastically improved over the last two decades. The grit re-firing system has also being rebuilt and optimised with 10 new re-firing lines inclusive of cinder return nozzles and return pick up assembly.  The changes made to the grate and furnace system will ensure better performance and less down time for the plant which will give increased annual productivity and efficiency of the boilers.

MBH Energy will return two boilers back into service for NamPower in April 2014 with the other two expected to be back in service by August. The van Eck Power station is expected to be running at its full capacity of 120 Mega Watts before 2015 allowing the country to reduce its energy imports from neighbouring countries.


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