As a steam-heated laundry, we use minimal electricity and to maintain a constant supply of power during outages, we have a newly installed automatic switch over diesel generator. This alternative source of electricity ensures that the Coral Clean factory will be able to render services to all our clients despite the current unpredictable supply of electricity from Eskom.
We are currently using 2 forms of energy:
1. Electrical power to drive all the motors of the machines.
We are extremely efficient in our use of electrical power in order to reduce our Eskom dependency and costs (Eskom has recently indicated that energy prices will increase,
at least, on average 16% p.a. over the next five years – this is more than double after 5 years) as much as possible and to prevent any ‘shut downs’ in times of Eskom’s power outages, but also to reduce our carbon footprint. We are investigating further alternative power options (inter alia generators) in order to ensure 100% Eskom power independence.
2. Thermal energy of steam to generate heat for the washing, drying, ironing and finishing.
We have 2 coal/charcoal/biomass fired boilers. We also have 1 “energy recycling” units in action. We “harvest” most of the energy from our tumble dryers exhaust air, in order to pre-heat the supply to the dryers. We also use heat-plate exchangers to “harvest” energy from our condensate return to pre-heat our main wash water for the washing machines. We estimate this as a 30% saving on total energy used.
We are also currently investigating a joint-venture with the Centre for Renewable and Sustainable Energy Studies of the University of Stellenbosch in making use of Solar Energy to assist in our energy supply.