Sail, geothermal energy: tomorrow’s solution for swimming pools

Sail, geothermal energy: tomorrow’s solution for swimming pools

On 1 June 2016, the Melun swimming pool was badly affected by the flooding of the Seine. More than a year later, elected officials have launched a major project: the pool should not reopen before the start of the 2018 school year © Julien Van Caeyseele

It is a real challenge to maintain a large swimming pool such as the one from swimming pool of Watermelon (Seine and Marne) to good temperature. At the time when energy prices get up and take care municipalities try limit their spending. Melun Town Hall decided invest in original equipment.

350,000 euros for the device

One of the city’s battles over swimming pools is the battle over heat loss. Having a pool with a temperature of 27°C is really necessary to ensure the comfort of swimmers, but it is necessary to be able to maintain this temperature. To reduce these costs, the town hall in Melun wanted to set up a facility that could retain as much heat as possible.

“We will be installing a new thermal cover soon. It will reduce the electricity bill by around 30%,” explains Jérôme Olzier, General Manager of Technical Services.

The first type of blind of this kind has already been installed before, but it will be restored in the coming months: “The old one was a honeycomb blind that had air blown into it to reassemble it. If it worked very well, it has a lifespan and needs to be replaced. From now on, it will be two neoprene blinds 50 meters by 10 meters that will cover the Olympic tank,” he describes.

If work were to be carried out over the summer to place the new facility, it would be an “investment of €350,000” which would save money:

The price of gas was 107%. A megawatt was at €80 and today it has risen to €165

Jérôme Olzier, General Manager of Technical Services at Melun

Geothermal energy as the future?

Today, with rising prices, the budget has exploded: “We’ve had these expenses under control since 2000, but we want to go even further,” reports the general manager of technical services. Another source of energy and heat is used to heat the water in the pool: geothermal energy.

“The pool would then have to be connected to the geothermal network of Melun and especially Almont. If 8,000 housing units are currently benefiting from this, we would like to extend it to the south bank for the swimming pool, the bus stop, the administrative town, but also the residents,” he concludes.

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