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Water usage and consumption

Volume of water used per person

Volume of water saved by water efficiency promotion

 

Volume of water used per person - The average volume of water used by a person per day. This is also referred to as per capita consumption (PCC).

We are targeting a reduction in PCC over AMP6, from 135 l/p/day in 2015-16 reducing by 1 l/p/day annually to 131 l/p/day in 2019-20. PCC is largely driven by external factors outside of the company's control and so no financial ODI is attached to this PC.

In 2017-18 the PCC was 143 l/p/day, 10 l/p/day higher than the target of 133 l/p/day. We attribute this to a dry and warm spring and early summer in 2017 and a lower number of water meter installations than forecast. Due to the impact of external factors it is difficult to forecast or manage the delivery of this measure, other than to reflect the actual performance each year.


Volume of water saved by water efficiency promotion - We are committed to helping customers reduce their water use as part of our efforts to operate a sustainable water supply and waste water business. 


Between 2010 and 2015 we met the target set by Ofwat of achieving savings of 0.55 Ml/d (or ~0.44 l/head/day) each year. We are now committed to achieve a saving of 3.26litres/person/day by 2020.

The savings delivered cumulatively to 2017-18 have exceeded our performance commitment target. We are currently reporting cumulative savings of 2.48l/p/d against a target of 1.92l/p/d. If we miss the target in any given year, we will refund customers £1.89m for each l/p/day.

This remains a challenging target overall and we are working hard to ensure we continue to perform well.