The heat that comes from the organic matter at a wastewater works combined with hot water from showers, baths, dishwashers, and washing machines, could provide a valuable source of warmth. For example, our Belfast wastewater sites are close to housing, government buildings, the harbour estate and other potential customers with an interest in decarbonising their source of heating.
In Great Britain heat obtained in this way is also being used in the agri-food sector to reduce carbon emissions, create jobs and increase resilience by bringing overseas food production to the UK. The electrolysis process required to produce hydrogen also creates heat that can be captured and used to feed a district heating scheme. For example, producing hydrogen at scale for buses and HGVs, could supply heating to many of Belfast’s key buildings.
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