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Scottish Water hits renewable energy milestone

Scottish Water has achieved a major energy milestone after it was confirmed that the amount of renewable energy the company generates and facilitates is now more than double its electricity consumption.

Through a combination of Scottish Water’s own investment in renewable energy and hosting private investment on its estate, new figures show the company now generates and hosts 923 Gigawatt hours (GWh) per annum of renewable energy.

The figure, which is UK industry leading in terms of facilitated generation, is enough to power more than 300,000 homes for a year.

First Minister Nicola Sturgeon highlighted the achievement in her speech last week to the All-Energy conference in Glasgow.

Scottish Water is one of the biggest users of electricity in the country and consumes about 440 GWh per year of grid electricity at sites such as water and waste water treatment works.

The company has achieved the impressive energy efficiency figures through a range of initiatives, including self-generation on many of its sites, utilising new technology including hydro, wind, photovoltaic solar, biomass boilers and combined heat and power (CHP), and hosting third-party private generation such as large-scale windfarms.

In just three years, Scottish Water has raised the annual financial benefits of its efforts to reduce its energy bill and increase renewable generation to more than £8m and facilitated more than £390m of private investment on its estate.

More than 70 of the company’s water and wastewater treatment works are either self-sufficient or partly sufficient in their power requirements, leading to lower operating costs and a more sustainable business.

The company’s increase in renewable power generation, which supports the Scottish Government’s ambitious renewable heat and carbon reduction targets, was welcomed by Roseanna Cunningham, the Cabinet Secretary for Environment, Climate Change and Land Reform.

Commenting after the First Minister’s speech in Glasgow, Ms Cunningham said: “Congratulations to Scottish Water for achieving this significant milestone. By generating and hosting more renewable power than they consume, they are providing a great example to other companies of how improving energy efficiency and investing in renewable power can have a real impact.

“This helps to ensure that charges are kept as low as possible with average household water charges £42 lower in Scotland than they are in England and Wales.

“This work feeds into our environmental targets which will help make Scotland a cleaner and greener place to live and provide other businesses and public sector organisations with the confidence to invest in renewable power."

Fraser Purves, Energy Manager of Scottish Water’s energy programme, said Scottish Water was delighted to have reached the milestone in its efforts to reduce its energy bill and increase renewable generation.

He said: “Every day, Scottish Water provides customers with 1.35 billion litres of drinking water before collecting and treating 945 million litres of waste water.

“Providing those essential services requires a lot of power but our infrastructure also provides opportunities for us to maximise value from that asset base and fulfil our duty to act sustainably in the delivery of our services.

“We have invested in a number of innovative measures such as low-carbon, low-cost treatment technologies and doubled our renewable energy capacity to more than 58GWh through hydro, wind, photovoltaic solar, biomass boilers and combined heat and power (CHP).

“Scottish Water has installed more than 4000 smart meters to target energy opportunities and, in just three years, these have raised the annual financial benefits to more than £8m, cut carbon emissions by 16% since 2006-7 and facilitated more than £390m of private investment on its estate.

“Facilitating more renewable power than we consume makes a significant contribution to keeping the long-term cost of providing vital water and waste water services as low as possible, while supporting national economic, carbon and renewable energy targets.”

Author: James Brockett,
Topic: Energy/Water Nexus
Tags: energy efficiency , carbon reduction , Scottish Water

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