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Home NEWS Science News

Reducing GHGs and energy costs by reusing heat from servers

Bioengineer by Bioengineer
January 25, 2022
in Science News
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Reusing the heat released by servers to power greenhouses while reducing greenhouse gas emissions and energy consumption… Sounds too good to be true? Well, Danielle Monfet and Didier Haillot, both engineering researchers at the École de technologie supérieure de Montréal (ÉTS), have collaborated on a pilot project aimed at recovering the heat released by a data centre to heat an experimental greenhouse on the Côte-Nord Region, in Canada. And the results are very encouraging.

Reducing GHGs and energy costs by reusing heat from servers

Credit: ETS

Reusing the heat released by servers to power greenhouses while reducing greenhouse gas emissions and energy consumption… Sounds too good to be true? Well, Danielle Monfet and Didier Haillot, both engineering researchers at the École de technologie supérieure de Montréal (ÉTS), have collaborated on a pilot project aimed at recovering the heat released by a data centre to heat an experimental greenhouse on the Côte-Nord Region, in Canada. And the results are very encouraging.

This pilot project, spearheaded by the Société d’aide au développement de la collectivité (SADC) Manicouagan, was carried out in collaboration with the Centre d’expertise et de développement de la forêt boréale (CEDFOB) of CEGEP Baie-Comeau. The company Argo Blockchain made its servers available.

The two ÉTS researchers were responsible for estimating the amount of greenhouse gases (GHG) that this pilot project prevented from being released into the air. “In more concrete terms, numerical models of the greenhouse’s thermal behaviour allowed us to compare the amount of GHGs emitted by a conventional greenhouse heated with propane gas, with a greenhouse powered by heat from a data centre,” explained Professor Haillot. However, in order to use the heat that would otherwise have been lost, it had to be increased by a few degrees using a heat pump.

Despite this operation, the data proved to be very conclusive: the greenhouse powered by the data centre would emit 91% less GHGs than a conventional greenhouse. When coupled with a storage system, the heat pump would reduce annual energy consumption by 66% compared to a gas furnace.

It should be noted, however, that this study is only valid for a conventional greenhouse heated with propane. The results could be different if the greenhouse were heated with another energy source, such as solar, wind or natural gas. An in-depth economic study will therefore have to be carried out to investigate the potential of this pilot project.

This is good news for people living in remote areas, who have to deal with food supply issues. Not to mention that the energy supply of these regions often relies on fossil fuels that also generate greenhouse gases. Imagine the possibilities: buildings and even entire neighbourhoods could reuse the heat from the many data centres located on their territory, which would thereby contribute to significantly reducing their ecological footprint.

Now that’s some hopeful news for 2022!

About ÉTS 

École de technologie supérieure is one of ten constituents of the Université du Québec network. It trains engineers and researchers who are recognized for their practical and innovative approach, the development of new technologies and their skill at transferring their knowledge to companies. Almost one-quarter of all engineers in Québec graduated from ÉTS, which boasts 11,000 students, including 2,650 at the graduate and post-graduate level. ÉTS specializes in applied training and research in engineering, and maintains a unique partnership with the business sector and with industry. For more information, please visit etsmtl.ca.

 

 



Method of Research

Computational simulation/modeling

Subject of Research

Not applicable

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