Wind turbines – drinking water – gas

Find the most important news from April 2nd to 8th on topics that concern engineers and technicians of local authorities: environment, waste, transport…


sea ​​winds – AFP journalists, including BFMTV in particular, attended the installation of the first offshore wind turbine in France. The site of this offshore farm off Saint-Nazaire is expected to house 80 wind turbines by the end of the year, but commissioning is expected in early May. Covering an area of ​​78 km2, the 80 wind turbines will each have a power of six megawatts and the entire park will have the capacity to generate the equivalent of the electricity consumption of 700,000 inhabitants, ie 20% of the total consumption of the Loire-Atlantic department. While the other offshore farm projects are waiting to see the light of day, Saint-Nazaire’s wind turbines will be installed four by four, reaching a height of almost 180 meters.

Do not pour clean water – An article in Actu Environnement draws attention to the new methodology for monitoring the presence of pollutants in drinking water. Although the list of searched pesticides has been updated, the maximum health values ​​of the substances contained have not all been evaluated. This would mean that a certain number of drinking water catchments would result in non-compliance, but the article is nonetheless reassuring about the exceedances observed. In order not to restrict the use of water as a simple precautionary principle, the Directorate-General for Health has proposed four options, including relying on the health values ​​currently in force in Germany.

heat shield – The Via Seva association, which brings together public and private actors and users of the heating and cooling network sector, welcomed in a press release the government’s decision to extend gas tariff protection to collective heat. The decree of April 10, which effectively extends this system of freezing tariffs, therefore affects condominiums, social housing and buildings connected to a heating network. The press release also specifies that the heating network operators are responsible in particular for providing and managing all the information intended for users.

In all sobriety – Presented on the Ademe website, the So.Num (Digital Sobriety) program aims to raise awareness and educate users on digital sobriety, relying in particular on tools to measure electricity consumption and environmental impact. Local authorities (through representatives) are among the targeted targets. Three calls for expressions of interest will be published shortly, including one identifying local authorities who are committed to the issue and who are already implementing tools and processes to achieve this digital sobriety.

To mark – After transport on demand, public lighting on demand. As explained by 20 Minutes, the city of Epron (Calvados) is currently experimenting with a solution from a Norman engineer that allows residents to turn on streetlights (now off at night) using an application on their smartphone. In detail, the application, triggered by a passer-by, is connected to the electricity boxes and street lamps in the area. The latter then light up for a time set by the municipality.

Diet with and without salt – A project led by the Compagnie Nationale du Rhône will soon make it possible to use an osmotic plant to generate the equivalent of twice the annual electricity consumption of the city of Marseille. Installed in the Rhône delta, as the Lenergeek site explains, it will benefit from the encounter between salty sea water and fresh river water. Expected in 2023, the project is currently undergoing environmental impact studies to determine where the site will be installed.

hits of the year How selective sorting allowed the creation of a rainwater network in Créhen? This explains a press release from this Côtes d’Armor town hall, which used 100% recycled HDPE corrugated pipes. The 1,500 meters of hoses are equivalent to 210,000 bottles of milk or washing powder.

And also…

In the Vendée, an old quarry is being brought back to life in the form of a reservoir and water reservoir [Actu.fr] ;

The city of Yssingeaux (Haute-Loire) introduces on-demand transport for seniors for one euro [L’Eveil] ;

The Rhône department is launching a campaign to combat and raise awareness of the tiger mosquito [Rhône.fr].

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