{"id":2150,"date":"2022-09-08T13:22:04","date_gmt":"2022-09-08T13:22:04","guid":{"rendered":"https:\/\/horizon.peachpuff-wolverine-566518.hostingersite.com\/?p=2150"},"modified":"2022-09-08T13:22:04","modified_gmt":"2022-09-08T13:22:04","slug":"european-cities-team-up-to-expand-clean-energy-cut-fossil-fuels","status":"publish","type":"post","link":"https:\/\/scienceblog.com\/horizon\/2150\/european-cities-team-up-to-expand-clean-energy-cut-fossil-fuels\/","title":{"rendered":"European cities team up to expand clean energy, cut fossil fuels"},"content":{"rendered":"

European cities have joined forces to find quicker ways of promoting clean energy and curbing fossil fuels, advancing climate goals made more urgent by Russia\u2019s war in Ukraine.<\/p>\n

BY ALEX WHITING<\/p>\n

Cities are central to the battle against global warming \u2013 they consume two-thirds of global energy and account for more than\u00a070% of the world\u2019s greenhouse-gas emissions<\/a>.<\/p>\n

About three of every four people in Europe live in urban areas. One of the challenges is how to supply them with reliable and affordable climate-friendly energy \u2013 especially if it comes from intermittent sources like wind or solar.<\/p>\n

Utrecht in the Netherlands is spearheading an EU-funded project that is testing a range of clean-energy possibilities, together with Nice in France and Gothenburg in Sweden.<\/p>\n

Utrecht itself is trialling using electric cars to help make the switch to renewable energy.<\/p>\n

\u2018Charging points that are able both to store solar electricity in the car battery and to feed it back into the energy system were installed in the city,\u2019 said Roel Massink, who works for the City of Utrecht. He is also coordinator of the EU project, called\u00a0IRIS<\/a>\u00a0Smart Cities.<\/p>\n

While the Dutch city is not the first to use such \u2018bi-directional\u2019 charging points, it is the first to test them on a district-level scale.<\/p>\n

Such points enable electric vehicles to be charged during the day with energy generated from nearby solar panels, and to act as battery storage for that power.<\/p>\n

When the cars are parked and plugged in, surplus power from the battery can be fed back into the national grid. This is especially useful in the evenings, when home energy consumption peaks.<\/p>\n

\u2018It has a double function\u00a0\u2013 balancing the energy system and providing clean-emissions transport,\u2019 said Massink.<\/p>\n

Virtual power plant<\/strong><\/p>\n

Utrecht has about 500 charging points of this kind already\u00a0\u2013 and all future ones will be bi-directional. The next step is to combine car batteries with stationary storage batteries to form a \u2018virtual power plant\u2019.<\/p>\n

\u2018If you could combine about 100 cars and 10 stationary batteries, you would have quite a big capacity of electricity that you can feed into the electricity grid when it is needed,\u2019 said Massink. And then \u2018you can really earn money on the energy markets.\u2019<\/p>\n

The city is working with a car-sharing initiative \u2013\u00a0We Drive Solar<\/a>\u00a0\u2013 rather than with private vehicles. The aim is to encourage people to opt out of private car ownership where possible and switch to using shared cars or other forms of transport.<\/p>\n

Speedier solutions<\/strong><\/p>\n

IRIS is not the only EU project to work on lowering cities’ carbon footprint on a large scale.<\/p>\n

Austria\u2019s capital Vienna, Munich in Germany and Lyon, France, made clean-energy gains under a project called\u00a0Smarter Together<\/a>, which ended last year.<\/p>\n

Between early 2016 and mid-2021, the three cities refurbished nearly 170 000 square metres of buildings, halving the energy consumption and carbon dioxide emissions of those structures. They also installed nearly 28 megawatts of renewables production.<\/p>\n

\u2018It was a way to test new solutions and then to implement them faster,\u2019 said Etienne Vignali, co-coordinator of the project.<\/p>\n

Speeding up Europe\u2019s green transition has become a bigger priority since Russia\u2019s invasion of Ukraine in February. The war has disrupted supplies of oil, natural gas and coal to the EU, prompting the bloc to step up efforts to expand renewables and conserve energy.<\/p>\n

In Lyon, Smarter Together accelerated work that was already taking place, said Vignali, who is also project manager at SPL Lyon Confluence, a company set up by city authorities to renew a run-down district.
\nLyon has been transforming this deprived area for more than 20 years, replacing former industrial centres with new structures and public spaces, introducing renewables and retrofitting buildings.<\/p>\n

While there was already significant solar output in the neighborhood, \u2018thanks to Smarter Together we managed to double that production within a few years,\u2019 said Vignali.<\/p>\n

Another success was the construction of a district heating system that runs on biomass, a fuel made from organic material including plants.<\/p>\n

The faster results came not only from having partners in various sectors \u2013 including industry, academia and local government \u2013 but also from bringing together cities to test similar energy options in different ways and contexts, said Vignali.<\/p>\n

Data demands<\/strong><\/p>\n

The project also collected detailed data on energy use, helping cities improve the effectiveness of building retrofits.<\/p>\n

For example, analysis of one apartment block in Lyon found that more energy was lost through poorly insulated hot-water pipes than was consumed in the entire building.<\/p>\n

Energy assessments usually just measure the average energy use of buildings rather than study where the consumption comes from, said Vignali.<\/p>\n

Collecting such detailed information is hard, especially because many building contractors lack the training to install data meters and sensors.<\/p>\n

\u2018If the meters are not properly plugged in, you get no data or wrong data and it’s completely useless,\u2019 said Vignali. \u2018The time and effort needed to ensure quality of data were much more than we thought they would be at the beginning of the project.\u2019<\/p>\n

Local links<\/strong><\/p>\n

Cities in the IRIS project have also been testing building retrofits and other ways to move to renewables and curb energy use.<\/p>\n

\u2018We try to demonstrate new solutions for energy transition at district scale \u2013 what is needed to create sustainable, healthy urban districts which people are happy to live in,\u2019 said project coordinator Massink.<\/p>\n

\u2018But you can\u2019t implement solutions single-handedly \u2013 you must integrate across sectors,\u2019 he added.<\/p>\n

The project\u2019s cities are working closely with building owners, technology suppliers, governments, research institutes and \u2013 not least \u2013 residents.<\/p>\n

For Massink, the involvement of city dwellers is indispensable for Europe\u2019s green-energy transition.<\/p>\n

The research in this article was funded by the EU<\/em> and it was originally published\u202fin <\/em>Horizon<\/em><\/a>, the EU Research and Innovation Magazine.\u202f\u00a0<\/em>\u00a0. <\/em><\/p>\n

EU MISSION: 100 CLIMATE-NEUTRAL AND SMART CITIES BY 2030<\/strong><\/p>\n

On 28 April 2022, the Commission announced the\u00a0100 EU cities<\/a>\u00a0that will participate in the EU Mission for 100 climate-neutral and smart cities by 2030, the so-called Cities Mission.<\/p>\n

These 100 cities will act as hubs of experimentation and innovation for green, digital and inclusive transformations. Local, regional and national authorities, citizens, businesses, and investors will work together to make sectors like energy, buildings, waste management and transport climate neutral by 2030.<\/p>\n

The 100 model cities will act as experimentation and innovation hubs to enable all European cities to follow suit by 2050.<\/p>\n

Read more about the Cities Mission\u00a0here<\/a>.<\/p>\n

More info<\/p>\n

Follow the links below for more information.<\/p>\n

IRIS<\/a><\/p>\n

SMARTER TOGETHER<\/a><\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

European cities have joined forces to find quicker ways of promoting clean energy and curbing fossil fuels, advancing climate goals made more urgent by Russia\u2019s war in Ukraine. BY ALEX WHITING Cities are central to the battle against global warming \u2013 they consume two-thirds of global energy and account for more than\u00a070% of the world\u2019s … Read more<\/a><\/p>\n","protected":false},"author":298,"featured_media":2151,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"generate_page_header":"","jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[11,408],"tags":[],"class_list":["post-2150","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-earth-energy-environment","category-transport"],"yoast_head":"\nEuropean cities team up to expand clean energy, cut fossil fuels - Horizon Magazine Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/scienceblog.com\/horizon\/2150\/european-cities-team-up-to-expand-clean-energy-cut-fossil-fuels\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"European cities team up to expand clean energy, cut fossil fuels\" \/>\n<meta property=\"og:description\" content=\"European cities have joined forces to find quicker ways of promoting clean energy and curbing fossil fuels, advancing climate goals made more urgent by Russia\u2019s war in Ukraine. 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