{"id":2156925,"date":"2026-09-22T05:02:07","date_gmt":"2026-09-22T02:02:07","guid":{"rendered":"https:\/\/analyse.optim.biz\/?p=2156925"},"modified":"2026-09-22T05:02:07","modified_gmt":"2026-09-22T02:02:07","slug":"worlds-largest-untapped-energy-source-how-waste-heat-could-help-europe-end-its-reliance-on-gas","status":"publish","type":"post","link":"https:\/\/analyse.optim.biz\/?p=2156925","title":{"rendered":"\u2018World\u2019s largest untapped energy source\u2019: How waste heat could help Europe end its reliance on gas"},"content":{"rendered":"<p>[analyse_image type=&#8221;featured&#8221; src=&#8221;https:\/\/images.euronews.com\/articles\/stories\/09\/92\/15\/70\/1200x675_cmsv2_0506bc28-7045-51ed-99e1-e7f861708a35-9921570.jpg&#8221;]<\/p>\n<article id=\"abe-2927657-pos1-c-latest-stories\" class=\"the-media-object m-modeMobile-1 m-modeDesktop-1 m-modeXL-1\" data-nid=\"2927657\" data-cid=\"9922746\" data-part-label=\"Partner content\">\n<figure id=\"abe-2927657-label-pos1-c-latest-stories\" class=\"the-media-object__figure\"><img decoding=\"async\" class=\"the-media-object__image\" src=\"https:\/\/images.euronews.com\/articles\/stories\/09\/92\/27\/46\/189x106_cmsv2_d6c2c62d-e724-523a-9d0a-10fd68c45e01-9922746.jpg\" loading=\"lazy\" alt=\"A woman walks by a giant screen displaying the Google logo at an event at the Paris Google Lab on the sidelines of the AI Action Summit in Paris, Feb. 9, 2025.\" height=\"9\" width=\"16\"><\/figure>\n<div class=\"the-media-object__content\">\n                    Tech News<\/p>\n<div class=\"the-media-object__title  \">\n<p>    400 people rally against Google data centre in rural Austria\n  <\/p><\/div>\n<\/div>\n<\/article>\n<article id=\"abe-2927597-pos2-c-latest-stories\" class=\"the-media-object m-modeMobile-1 m-modeDesktop-1 m-modeXL-1\" data-nid=\"2927597\" data-cid=\"9922818\" data-part-label=\"Partner content\">\n<figure id=\"abe-2927597-label-pos2-c-latest-stories\" class=\"the-media-object__figure\"><img decoding=\"async\" class=\"the-media-object__image\" src=\"https:\/\/images.euronews.com\/articles\/stories\/09\/92\/28\/18\/189x106_cmsv2_507b8973-5804-5a80-893a-06f212b2a6af-9922818.jpg\" loading=\"lazy\" alt=\"Emmanuel Macron and Donald Trump in New York, United States, 21 September, 2026\" height=\"9\" width=\"16\"><\/figure>\n<div class=\"the-media-object__content\">\n                    Europe News<\/p>\n<div class=\"the-media-object__title  \">\n<p>    Macron says talks with Trump on Red Sea and Ukraine &#8216;constructive&#8217;\n  <\/p><\/div>\n<\/div>\n<\/article>\n<article id=\"abe-2927645-pos3-c-latest-stories\" class=\"the-media-object m-modeMobile-1 m-modeDesktop-1 m-modeXL-1\" data-nid=\"2927645\" data-cid=\"9922673\" data-part-label=\"Partner content\">\n<figure id=\"abe-2927645-label-pos3-c-latest-stories\" class=\"the-media-object__figure\"><img decoding=\"async\" class=\"the-media-object__image\" src=\"https:\/\/images.euronews.com\/articles\/stories\/09\/92\/26\/73\/189x106_cmsv2_0ca80306-2aaf-51c6-add7-7df1e0294039-9922673.jpg\" loading=\"lazy\" alt=\"Brad Pitt returns as Cliff Booth in new trailer \u2013 and everyone has the same complaint  \" height=\"9\" width=\"16\"><\/figure>\n<div class=\"the-media-object__content\">\n                    Cinema<\/p>\n<div class=\"the-media-object__title  \">\n<p>    Brad Pitt returns as Cliff Booth in new trailer \u2013 and everyone is complaining about the same thing\n  <\/p><\/div>\n<\/div>\n<\/article>\n<article id=\"abe-2927641-pos4-c-latest-stories\" class=\"the-media-object m-modeMobile-1 m-modeDesktop-1 m-modeXL-1\" data-nid=\"2927641\" data-cid=\"9922747\" data-part-label=\"Partner content\">\n<figure id=\"abe-2927641-label-pos4-c-latest-stories\" class=\"the-media-object__figure\"><img decoding=\"async\" class=\"the-media-object__image\" src=\"https:\/\/images.euronews.com\/articles\/stories\/09\/92\/26\/32\/189x106_cmsv2_d9c7d127-d8f5-5857-a389-0add5f9b9ba8-9922632.jpg\" loading=\"lazy\" alt=\"Passports wrapped in aluminium foil?\" height=\"9\" width=\"16\"><\/figure>\n<div class=\"the-media-object__content\">\n                    Travel News<\/p>\n<div class=\"the-media-object__title  \">\n<p>    Wrapping passports in foil to stop hackers: new travel trend goes viral\n  <\/p><\/div>\n<\/div>\n<\/article>\n<article id=\"abe-2927657-pos1-c-latest-stories-sidebar\" class=\"the-media-object m-modeMobile-2 m-modeDesktop-2 m-modeXL-2\" data-nid=\"2927657\" data-cid=\"9922746\" data-part-label=\"Partner content\">\n<figure id=\"abe-2927657-label-pos1-c-latest-stories-sidebar\" class=\"the-media-object__figure\"><img decoding=\"async\" class=\"the-media-object__image\" src=\"https:\/\/images.euronews.com\/articles\/stories\/09\/92\/27\/46\/189x106_cmsv2_d6c2c62d-e724-523a-9d0a-10fd68c45e01-9922746.jpg\" loading=\"lazy\" alt=\"A woman walks by a giant screen displaying the Google logo at an event at the Paris Google Lab on the sidelines of the AI Action Summit in Paris, Feb. 9, 2025.\" height=\"9\" width=\"16\"><\/figure>\n<div class=\"the-media-object__content\">\n                    Tech News<\/p>\n<div class=\"the-media-object__title  \">\n<p>    400 people rally against Google data centre in rural Austria\n  <\/p><\/div>\n<\/div>\n<\/article>\n<article id=\"abe-2927597-pos2-c-latest-stories-sidebar\" class=\"the-media-object m-modeMobile-2 m-modeDesktop-2 m-modeXL-2\" data-nid=\"2927597\" data-cid=\"9922818\" data-part-label=\"Partner content\">\n<figure id=\"abe-2927597-label-pos2-c-latest-stories-sidebar\" class=\"the-media-object__figure\"><img decoding=\"async\" class=\"the-media-object__image\" src=\"https:\/\/images.euronews.com\/articles\/stories\/09\/92\/28\/18\/189x106_cmsv2_507b8973-5804-5a80-893a-06f212b2a6af-9922818.jpg\" loading=\"lazy\" alt=\"Emmanuel Macron and Donald Trump in New York, United States, 21 September, 2026\" height=\"9\" width=\"16\"><\/figure>\n<div class=\"the-media-object__content\">\n                    Europe News<\/p>\n<div class=\"the-media-object__title  \">\n<p>    Macron says talks with Trump on Red Sea and Ukraine &#8216;constructive&#8217;\n  <\/p><\/div>\n<\/div>\n<\/article>\n<article id=\"abe-2927645-pos3-c-latest-stories-sidebar\" class=\"the-media-object m-modeMobile-2 m-modeDesktop-2 m-modeXL-2\" data-nid=\"2927645\" data-cid=\"9922673\" data-part-label=\"Partner content\">\n<figure id=\"abe-2927645-label-pos3-c-latest-stories-sidebar\" class=\"the-media-object__figure\"><img decoding=\"async\" class=\"the-media-object__image\" src=\"https:\/\/images.euronews.com\/articles\/stories\/09\/92\/26\/73\/189x106_cmsv2_0ca80306-2aaf-51c6-add7-7df1e0294039-9922673.jpg\" loading=\"lazy\" alt=\"Brad Pitt returns as Cliff Booth in new trailer \u2013 and everyone has the same complaint  \" height=\"9\" width=\"16\"><\/figure>\n<div class=\"the-media-object__content\">\n                    Cinema<\/p>\n<div class=\"the-media-object__title  \">\n<p>    Brad Pitt returns as Cliff Booth in new trailer \u2013 and everyone is complaining about the same thing\n  <\/p><\/div>\n<\/div>\n<\/article>\n<article id=\"abe-2927641-pos4-c-latest-stories-sidebar\" class=\"the-media-object m-modeMobile-2 m-modeDesktop-2 m-modeXL-2\" data-nid=\"2927641\" data-cid=\"9922747\" data-part-label=\"Partner content\">\n<figure id=\"abe-2927641-label-pos4-c-latest-stories-sidebar\" class=\"the-media-object__figure\"><img decoding=\"async\" class=\"the-media-object__image\" src=\"https:\/\/images.euronews.com\/articles\/stories\/09\/92\/26\/32\/189x106_cmsv2_d9c7d127-d8f5-5857-a389-0add5f9b9ba8-9922632.jpg\" loading=\"lazy\" alt=\"Passports wrapped in aluminium foil?\" height=\"9\" width=\"16\"><\/figure>\n<div class=\"the-media-object__content\">\n                    Travel News<\/p>\n<div class=\"the-media-object__title  \">\n<p>    Wrapping passports in foil to stop hackers: new travel trend goes viral\n  <\/p><\/div>\n<\/div>\n<\/article>\n<article class=\"helper-site-row o-article-newsy\">\n<div class=\"helper-site-container o-article-newsy__container\">\n<div class=\"o-article-newsy__main\">\n<header class=\"h-grid o-article-newsy__main__header\">\n<nav aria-label=\"Breadcrumbs\" class=\"c-article-breadcrumbs\">\n<div id=\"adb-article-breadcrumb\" class=\"c-article-breadcrumbs__list\">\n<p>                          Earth<\/p>\n<p>                          Ecotech<\/p><\/div>\n<\/nav>\n<h1 class=\"c-article-redesign-title\">\n                            \u2018World\u2019s largest untapped energy source\u2019: How waste heat could help Europe end its reliance on gas<\/h1>\n<div class=\"c-article-image-video u-position-relative \">\n<div class=\"js-superdiv u-aspect-ratio-16x9 u-position-relative \" data-controller=\"video-player\" data-sponsored=\"Partner content\"><img fetchpriority=\"high\" decoding=\"async\" class=\"js-poster-img c-article-media__img\" src=\"https:\/\/images.euronews.com\/articles\/stories\/09\/92\/15\/70\/1536x864_cmsv2_0506bc28-7045-51ed-99e1-e7f861708a35-9921570.jpg\" width=\"1536\" height=\"864\" loading=\"eager\" alt=\"Steam leaves a cooling tower of the Lichterfelde gas-fired power plant in Berlin, Germany, on March 30, 2022.\"><\/div>\n<div class=\"c-article-caption u-position-absolute\"><i id=\"article-caption-content\" class=\"c-article-caption__content\"><span class=\"c-article-caption__text\"><br \/>\n              Steam leaves a cooling tower of the Lichterfelde gas-fired power plant in Berlin, Germany, on March 30, 2022.<br \/>\n                    <span class=\"u-color-white\">&#8211;\u00a0<\/span><span class=\"c-article-caption__copyright\">Copyright\u00a0<\/span><span class=\"c-article-caption__credit\">Copyright 2022 The Associated Press. All rights reserved<\/span><\/span><\/i><\/div>\n<div class=\"c-article-image-copyright c-article-image-copyright--novideo\">\n      Copyright\u00a0Copyright 2022 The Associated Press. All rights reserved\n  <\/div>\n<\/div>\n<\/header>\n<div class=\"h-grid o-article-newsy__main__body u-article-content\">\n<div class=\"o-article-newsy__contributors-publication-date\">\n<div class=\"c-article-contributors\">\n  By&amp;nbspLiam Gilliver\n<\/div>\n<div class=\"c-article-publication-date\" data-timestamp=\"1790053327\">\n                    Published on                 <time datetime=\"2026-09-22 07:02:07 +02:00\">22\/09\/2026 &#8211; 7:02 GMT+2<\/time><span class=\"c-article-publication-date__bullet\">\u2022<\/span>Updated<br \/>\n                                     <time datetime=\"10:32\">10:32<\/time><\/div>\n<\/div>\n<div class=\"c-article-share-comment u-align-items-center u-display-flex\"><span class=\"c-article-share-comment__links u-align-items-center u-display-flex u-justify-content-center js-c-article-share-comment-share\"><span class=\"c-article-share-comment__label\">Share<\/span><\/span><span class=\"c-article-share-comment__label\">Comments<\/span><span 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class=\"u-display-flex u-gap-1 u-show-for-mobile-only\"><img decoding=\"async\" src=\"https:\/\/static.euronews.com\/website\/images\/vector\/social-icons\/article-redesign-threads.svg\" width=\"24\" height=\"24\" alt=\"threads\" loading=\"lazy\"><span>Threads<\/span><\/span><img decoding=\"async\" src=\"https:\/\/static.euronews.com\/website\/images\/vector\/social-icons\/article-redesign-threads.svg\" width=\"48\" height=\"48\" alt=\"threads\" class=\"u-show-for-desktop\" loading=\"lazy\"><span class=\"u-display-flex u-gap-1 u-show-for-mobile-only\"><img decoding=\"async\" src=\"https:\/\/static.euronews.com\/website\/images\/vector\/social-icons\/article-redesign-whatsapp.svg\" width=\"24\" height=\"24\" alt=\"whatsapp\" loading=\"lazy\"><span>Whatsapp<\/span><\/span><img decoding=\"async\" src=\"https:\/\/static.euronews.com\/website\/images\/vector\/social-icons\/article-redesign-whatsapp.svg\" width=\"48\" height=\"48\" alt=\"whatsapp\" class=\"u-show-for-desktop\" loading=\"lazy\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<h2 class=\"c-article-summary\">\n        \u201cWe are throwing away energy that we have already paid for.&#8221;<br \/>\n    <\/h2>\n<div class=\"c-article-content c-article-content--earth js-article-content\">\n<p>Capturing and reusing waste heat could be the next \u201cbreakthrough\u201d in Europe\u2019s energy security and competitiveness \u2013 helping sever its reliance on gas.<\/p>\n<div>\n<div class=\"c-ad u-show-for-mobile-only\">\n<div class=\"c-ad__placeholder\"><img decoding=\"async\" class=\"c-ad__placeholder__logo\" src=\"https:\/\/static.euronews.com\/website\/images\/logos\/logo-euronews-stacked-outlined-72x72-grey-9.svg\" width=\"72\" height=\"72\" alt loading=\"lazy\"><span>ADVERTISEMENT<\/span><\/div>\n<\/div>\n<div class=\"c-ad u-show-for-desktop\">\n<div class=\"c-ad__placeholder\"><img decoding=\"async\" class=\"c-ad__placeholder__logo\" src=\"https:\/\/static.euronews.com\/website\/images\/logos\/logo-euronews-stacked-outlined-72x72-grey-9.svg\" width=\"72\" height=\"72\" alt loading=\"lazy\"><span>ADVERTISEMENT<\/span><\/div>\n<\/div>\n<\/div>\n<p>A new report from Danish engineering firm Danfoss found that two-thirds of global energy was wasted as heat in 2024. As energy demand continues to increase, this is expected to hit 55 per cent by 2030.<\/p>\n<p>It\u2019s why experts are now describing waste heat from facilities such as supermarkets, factories, wastewater treatment plants and data centres as the world\u2019s \u201clargest untapped\u201d energy source. However, governments are lagging when it comes to unlocking its potential.<\/p>\n<h2>How much heat does Europe waste and how can it be reused?<\/h2>\n<p>Waste heat is the excess warmth given off by everyday processes, such as a supermarket running its refrigerators. Instead of letting this escape into the air, which risks contributing to the urban heat island effect, it can be captured.<\/p>\n<p>This is usually done using heat pumps that \u201cupgrade\u201d the temperature and then pipe the heat into the same building or a nearby district heating network that provides spaces with heating and hot water.<\/p>\n<p>One aluminium manufacturer in Denmark has stopped using gas on-site through this process, which is projected to save the annual heating and hot water gas use of 132 Danish homes.<\/p>\n<div class=\"c-widget-related\" data-stories-id data-event=\"widget_related\">\n<div class=\"c-widget-related__title\"><b class=\"c-widget-related__title__text\" lang=\"en\">Related<\/b><\/div>\n<ul class=\"c-widget-related__list\" id=\"abe-article-related-1\">\n<li class=\"c-widget-related__item\">\u2018Recovery becomes self-propelling\u2019: Five positive tipping points that can save the world<\/li>\n<li class=\"c-widget-related__item\">Born into a burning Europe: How extreme fire weather will worsen for children and how to stop it<\/li>\n<\/ul>\n<\/div>\n<p>The analysis states that reusing waste heat could save Europe a staggering \u20ac140 billion a year, based on the 3,1000 TWh that was dumped in 2023. It means that Europe\u2019s waste heat alone could power the entire city of Paris for 48 years.<\/p>\n<p>In Germany, existing industrial waste heat emitters could supply more than 30 per cent of the country\u2019s district heating demand. This doesn\u2019t include data centres, which experts say could push the coverage considerably higher \u2013 considering that the country has more than 3,000 servers already.<\/p>\n<h2>Europe \u2018cannot afford\u2019 wasting heat<\/h2>\n<p>\u201cWe\u2019re throwing away energy we\u2019ve already paid for,\u201d says Kristian Strand, President of Danfoss Climate Solutions. <\/p>\n<p>\u201cWaste heat is one of the world\u2019s biggest untapped energy sources and reusing it is one of the fastest ways to strengthen Europe\u2019s competitiveness, energy security and resilience. We cannot afford to keep letting it go to waste.\u201d<\/p>\n<p>Strand argues that to make the most out of waste heat, industry must make heat recovery \u201cstandard practice\u201d. Energy operators also need to make connections easier while governments need to remove the barriers that make electricity more expensive than gas for these investments.<\/p>\n<p>\u201cGet those pieces in place and waste heat stops being waste,\u201d he adds. \u201cIt becomes a source of cheaper energy, greater resilience and stronger competitiveness.\u201d<\/p>\n<\/div>\n<p>                                  Go to accessibility shortcuts<\/p>\n<div class=\"c-article-share-comment u-align-items-center u-display-flex\"><span class=\"c-article-share-comment__links u-align-items-center u-display-flex u-justify-content-center js-c-article-share-comment-share\"><span class=\"c-article-share-comment__label\">Share<\/span><\/span><span class=\"c-article-share-comment__label\">Comments<\/span><span class=\"c-article-share-comment__label c-article-share-comment__label--always\">Add Euronews on Google<\/span><\/div>\n<div id=\"adb-article-you-might-also-like\" class=\"perf-cv-auto c-article-you-might-also-like\">\n<h2 class=\"c-article-you-might-also-like__title\">\n        Read more<br \/>\n      <\/h2>\n<div class=\"c-article-you-might-also-like__container\">\n<article id=\"abe-2912078-pos0-c-article-you-might-also-like__item\" class=\"the-media-object m-modeMobile-1 m-modeDesktop-1 m-modeXL-1 the-media-object--has-video\" data-nid=\"2912078\" data-cid=\"9848185\" data-part-label=\"Partner content\">\n<figure id=\"abe-2912078-label-pos0-c-article-you-might-also-like__item\" class=\"the-media-object__figure\"><img decoding=\"async\" class=\"the-media-object__image\" src=\"https:\/\/images.euronews.com\/articles\/stories\/09\/84\/81\/85\/480x270_cmsv2_1696b398-d6c2-5dea-9233-69c17d3f4dce-9848185.jpg\" loading=\"lazy\" alt=\"Doctors gather to protest in London, Saturday Oct. 12, 2019, to highlight deaths caused by air pollution\" height=\"9\" width=\"16\"><\/figure>\n<div class=\"the-media-object__content\">\n                    Earth News<\/p>\n<h3 class=\"the-media-object__title  \">\n<p>    Europe&#8217;s clean air crisis: Cities act to cut pollution deaths<br \/>\n  <\/h3>\n<\/div>\n<\/article>\n<article id=\"abe-2924926-pos1-c-article-you-might-also-like__item\" class=\"the-media-object m-modeMobile-1 m-modeDesktop-1 m-modeXL-1\" data-nid=\"2924926\" data-cid=\"9910110\" data-part-label=\"Partner content\">\n<figure id=\"abe-2924926-label-pos1-c-article-you-might-also-like__item\" class=\"the-media-object__figure\"><img decoding=\"async\" class=\"the-media-object__image\" src=\"https:\/\/images.euronews.com\/articles\/stories\/09\/91\/01\/10\/480x270_cmsv2_80a993b7-5dc9-5ef8-a6a3-a41248f6b8f6-9910110.jpg\" loading=\"lazy\" alt=\"Promising limitless clean power, is nuclear fusion the future of energy \u2013 or an expensive distraction from existing solutions?\" height=\"9\" width=\"16\"><\/figure>\n<div class=\"the-media-object__content\">\n                    Earth News<\/p>\n<h3 class=\"the-media-object__title  \">\n<p>    Billions are spent on nuclear fusion energy. Will it be worth it?<br \/>\n  <\/h3>\n<\/div>\n<\/article>\n<article id=\"abe-2924086-pos2-c-article-you-might-also-like__item\" class=\"the-media-object m-modeMobile-1 m-modeDesktop-1 m-modeXL-1 the-media-object--has-video\" data-nid=\"2924086\" data-cid=\"9905857\" data-part-label=\"Partner content\">\n<figure id=\"abe-2924086-label-pos2-c-article-you-might-also-like__item\" class=\"the-media-object__figure\"><img decoding=\"async\" class=\"the-media-object__image\" src=\"https:\/\/images.euronews.com\/articles\/stories\/09\/90\/58\/57\/480x270_cmsv2_3d03c418-97b4-5e80-a5ab-dccb9f8cc24a-9905857.jpg\" loading=\"lazy\" alt=\"Vattenfall and design studio Superuse converted a nacelle, the top part of a wind turbine, into a tiny house. \" height=\"9\" width=\"16\"><\/figure>\n<div class=\"the-media-object__content\">\n                    Ecotech<\/p>\n<h3 class=\"the-media-object__title  \">\n<p>    Retired wind turbines are turning into tiny homes and alpine skis<br \/>\n  <\/h3>\n<\/div>\n<\/article>\n<\/div>\n<\/div>\n<div class=\"perf-cv-auto\">\n<ul id=\"adb-article-tags\" class=\"c-tags-list\">\n<li class=\"c-tags-list__item\">\n<section class=\"tc-cta\" data-twig-component=\"Cta-default\">\n  Gas<br \/>\n<\/section>\n<\/li>\n<li class=\"c-tags-list__item\">\n<section class=\"tc-cta\" data-twig-component=\"Cta-default\">\n  heat pump<br \/>\n<\/section>\n<\/li>\n<li class=\"c-tags-list__item\">\n<section class=\"tc-cta\" data-twig-component=\"Cta-default\">\n  electricity<br \/>\n<\/section>\n<\/li>\n<li class=\"c-tags-list__item\">\n<section class=\"tc-cta\" data-twig-component=\"Cta-default\">\n  clean energy<br \/>\n<\/section>\n<\/li>\n<li class=\"c-tags-list__item\">\n<section class=\"tc-cta\" data-twig-component=\"Cta-default\">\n  Energy<br \/>\n<\/section>\n<\/li>\n<li class=\"c-tags-list__item\">\n<section class=\"tc-cta\" data-twig-component=\"Cta-default\">\n  Fossil fuels<br \/>\n<\/section>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"tp-vuukle\">\n<div class=\"c-vuukle-skeleton\" aria-hidden=\"true\">\n<div class=\"c-vuukle-skeleton__header\"><span class=\"c-vuukle-skeleton__title\">Comments<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<aside class=\"o-article-newsy__aside\">\n<div class=\"c-ad-wrapper o-article-newsy__aside__content-1\" data-ad-name=\"adzone-halfpage\">\n<div class=\"c-ad c-ad-halfpage u-show-for-desktop\">\n<div class=\"c-ad__placeholder\"><img loading=\"lazy\" decoding=\"async\" class=\"c-ad__placeholder__logo\" src=\"https:\/\/static.euronews.com\/website\/images\/logos\/logo-euronews-stacked-outlined-72x72-grey-9.svg\" width=\"72\" height=\"72\" alt><span>ADVERTISEMENT<\/span><\/div>\n<\/div>\n<div class=\"c-ad u-show-for-mobile-only\">\n<div class=\"c-ad__placeholder\"><img loading=\"lazy\" decoding=\"async\" class=\"c-ad__placeholder__logo\" src=\"https:\/\/static.euronews.com\/website\/images\/logos\/logo-euronews-stacked-outlined-72x72-grey-9.svg\" width=\"72\" height=\"72\" alt><span>ADVERTISEMENT<\/span><\/div>\n<\/div>\n<\/div>\n<div id=\"adb-article-top-stories\" class=\"perf-cv-auto c-top-stories\">\n<h2 class=\"c-top-stories__title\">Top stories<\/h2>\n<div class=\"c-top-stories__item\">\n<article id=\"abe-2927407-pos2-top-stories\" class=\"the-media-object m-modeMobile-2 m-modeDesktop-2 m-modeXL-2 the-media-object--no-label\" data-nid=\"2927407\" data-cid=\"9921405\" data-part-label=\"Partner content\">\n<figure id=\"abe-2927407-label-pos2-top-stories\" class=\"the-media-object__figure\"><img decoding=\"async\" class=\"the-media-object__image\" src=\"https:\/\/images.euronews.com\/articles\/stories\/09\/92\/14\/05\/320x180_cmsv2_340550ba-88d5-5015-a929-4a935caa2290-9921405.jpg\" loading=\"lazy\" alt=\"Deforestation is seen near the city of Santarem in the Brazilian state of Para, Dec. 2, 2004.\" height=\"9\" width=\"16\"><\/figure>\n<div class=\"the-media-object__content\">\n<h3 class=\"the-media-object__title  \">\n<p>    &#8216;Planetary boundaries&#8217; 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Will it be worth it?<br \/>\n  <\/h3>\n<\/div>\n<\/article>\n<article id=\"abe-2924086-pos2-c-article-you-might-also-like__item\" class=\"the-media-object m-modeMobile-1 m-modeDesktop-1 m-modeXL-1 the-media-object--has-video\" data-nid=\"2924086\" data-cid=\"9905857\" data-part-label=\"Partner content\">\n<figure id=\"abe-2924086-label-pos2-c-article-you-might-also-like__item\" class=\"the-media-object__figure\"><img decoding=\"async\" class=\"the-media-object__image\" src=\"https:\/\/images.euronews.com\/articles\/stories\/09\/90\/58\/57\/480x270_cmsv2_3d03c418-97b4-5e80-a5ab-dccb9f8cc24a-9905857.jpg\" loading=\"lazy\" alt=\"Vattenfall and design studio Superuse converted a nacelle, the top part of a wind turbine, into a tiny house. \" height=\"9\" width=\"16\"><\/figure>\n<div class=\"the-media-object__content\">\n                    Ecotech<\/p>\n<h3 class=\"the-media-object__title  \">\n<p>    Retired wind turbines are turning into tiny homes and alpine skis<br \/>\n  <\/h3>\n<\/div>\n<\/article>\n<article id=\"abe-2927407-pos2-top-stories\" class=\"the-media-object m-modeMobile-2 m-modeDesktop-2 m-modeXL-2 the-media-object--no-label\" data-nid=\"2927407\" data-cid=\"9921405\" data-part-label=\"Partner content\">\n<figure id=\"abe-2927407-label-pos2-top-stories\" class=\"the-media-object__figure\"><img decoding=\"async\" class=\"the-media-object__image\" src=\"https:\/\/images.euronews.com\/articles\/stories\/09\/92\/14\/05\/320x180_cmsv2_340550ba-88d5-5015-a929-4a935caa2290-9921405.jpg\" loading=\"lazy\" alt=\"Deforestation is seen near the city of Santarem in the Brazilian state of Para, Dec. 2, 2004.\" height=\"9\" width=\"16\"><\/figure>\n<div class=\"the-media-object__content\">\n<h3 class=\"the-media-object__title  \">\n<p>    &#8216;Planetary boundaries&#8217; necessary for life breached, scientists warn<br \/>\n  <\/h3>\n<\/div>\n<\/article>\n<article id=\"abe-2926205-pos3-top-stories\" class=\"the-media-object m-modeMobile-2 m-modeDesktop-2 m-modeXL-2 the-media-object--has-video the-media-object--no-label\" data-nid=\"2926205\" data-cid=\"9918679\" data-part-label=\"Partner content\">\n<figure id=\"abe-2926205-label-pos3-top-stories\" class=\"the-media-object__figure\"><img decoding=\"async\" class=\"the-media-object__image\" src=\"https:\/\/images.euronews.com\/articles\/stories\/09\/91\/57\/69\/320x180_cmsv2_e7246f2a-8f81-547f-9673-f6d4cf6b0b8b-9915769.jpg\" loading=\"lazy\" alt=\"Potato planting on Naxos\" height=\"9\" width=\"16\"><\/figure>\n<div class=\"the-media-object__content\">\n<h3 class=\"the-media-object__title  \">\n<p>    Naxos potatoes: A centuries-old traditional crop is under threat<br \/>\n  <\/h3>\n<\/div>\n<\/article>\n<article id=\"abe-2926778-pos4-top-stories\" class=\"the-media-object m-modeMobile-2 m-modeDesktop-2 m-modeXL-2 the-media-object--no-label\" data-nid=\"2926778\" data-cid=\"9918782\" data-part-label=\"Partner content\">\n<figure id=\"abe-2926778-label-pos4-top-stories\" class=\"the-media-object__figure\"><img decoding=\"async\" class=\"the-media-object__image\" src=\"https:\/\/images.euronews.com\/articles\/stories\/09\/91\/87\/82\/320x180_cmsv2_9ac0eed6-4f2e-5f69-a233-433ff5c36600-9918782.jpg\" loading=\"lazy\" alt=\"A firefighter moves beehives away from flames while battling a wildfire in San Martin de Valdeiglesias, west of Madrid, Spain, July 26, 2026.\" height=\"9\" width=\"16\"><\/figure>\n<div class=\"the-media-object__content\">\n<h3 class=\"the-media-object__title  \">\n<p>    Europe\u2019s babies face 84% more &#8216;fire weather&#8217; than their grandparents<br \/>\n  <\/h3>\n<\/div>\n<\/article>\n<article id=\"abe-2912078-pos5-top-stories\" class=\"the-media-object m-modeMobile-2 m-modeDesktop-2 m-modeXL-2 the-media-object--has-video the-media-object--no-label\" data-nid=\"2912078\" data-cid=\"9848185\" data-part-label=\"Partner content\">\n<figure id=\"abe-2912078-label-pos5-top-stories\" class=\"the-media-object__figure\"><img decoding=\"async\" class=\"the-media-object__image\" src=\"https:\/\/images.euronews.com\/articles\/stories\/09\/84\/81\/85\/320x180_cmsv2_1696b398-d6c2-5dea-9233-69c17d3f4dce-9848185.jpg\" loading=\"lazy\" alt=\"Doctors gather to protest in London, Saturday Oct. 12, 2019, to highlight deaths caused by air pollution\" height=\"9\" width=\"16\"><\/figure>\n<div class=\"the-media-object__content\">\n<h3 class=\"the-media-object__title  \">\n<p>    Europe&#8217;s clean air crisis: Cities act to cut pollution deaths<br \/>\n  <\/h3>\n<\/div>\n<\/article>\n<article id=\"abe-2926841-pos6-top-stories\" class=\"the-media-object m-modeMobile-2 m-modeDesktop-2 m-modeXL-2 the-media-object--no-label\" data-nid=\"2926841\" data-cid=\"9919018\" data-part-label=\"Partner content\">\n<figure id=\"abe-2926841-label-pos6-top-stories\" class=\"the-media-object__figure\"><img decoding=\"async\" class=\"the-media-object__image\" src=\"https:\/\/images.euronews.com\/articles\/stories\/09\/91\/90\/18\/320x180_cmsv2_8745ee60-fbc3-520c-aa45-cf82c0f5c230-9919018.jpg\" loading=\"lazy\" alt=\"In Argentina, a new train runs entirely on renewable - and wireless - electricity\" height=\"9\" width=\"16\"><\/figure>\n<div class=\"the-media-object__content\">\n<h3 class=\"the-media-object__title  \">\n<p>    In Argentina, solar power from the Andes keeps this train running<br \/>\n  <\/h3>\n<\/div>\n<\/article>\n<article id=\"abe-2926841-pos1-mostViewed\" class=\"the-media-object m-modeMobile-3 m-modeDesktop-3 m-modeXL-3 the-media-object--has-related the-media-object--no-label\" data-nid=\"2926841\" data-cid=\"9919018\" data-part-label=\"Partner content\">\n<div class=\"the-media-object__content\">\n<h3 class=\"the-media-object__title  \">\n<p>    In Argentina, solar power from the Andes keeps this train running<br \/>\n  <\/h3>\n<\/div>\n<\/article>\n<article id=\"abe-2912078-pos2-mostViewed\" class=\"the-media-object m-modeMobile-3 m-modeDesktop-3 m-modeXL-3 the-media-object--has-video the-media-object--no-label\" data-nid=\"2912078\" data-cid=\"9848185\" data-part-label=\"Partner content\">\n<div class=\"the-media-object__content\">\n<h3 class=\"the-media-object__title  \">\n<p>    Europe&#8217;s clean air crisis: Cities act to cut pollution deaths<br \/>\n  <\/h3>\n<\/div>\n<\/article>\n<article id=\"abe-2926778-pos3-mostViewed\" class=\"the-media-object m-modeMobile-3 m-modeDesktop-3 m-modeXL-3 the-media-object--has-related the-media-object--no-label\" data-nid=\"2926778\" data-cid=\"9918782\" data-part-label=\"Partner content\">\n<div class=\"the-media-object__content\">\n<h3 class=\"the-media-object__title  \">\n<p>    Europe\u2019s babies face 84% more &#8216;fire weather&#8217; than their grandparents<br \/>\n  <\/h3>\n<\/div>\n<\/article>\n<article id=\"abe-2926742-pos4-mostViewed\" class=\"the-media-object m-modeMobile-3 m-modeDesktop-3 m-modeXL-3 the-media-object--has-related the-media-object--no-label\" data-nid=\"2926742\" data-cid=\"9918527\" data-part-label=\"Partner content\">\n<div class=\"the-media-object__content\">\n<h3 class=\"the-media-object__title  \">\n<p>    Scientists discover new wild cat species for first time in a century<br \/>\n  <\/h3>\n<\/div>\n<\/article>\n<article id=\"abe-2927182-pos5-mostViewed\" class=\"the-media-object m-modeMobile-3 m-modeDesktop-3 m-modeXL-3 the-media-object--has-related the-media-object--no-label\" data-nid=\"2927182\" data-cid=\"9920466\" data-part-label=\"Partner content\">\n<div class=\"the-media-object__content\">\n<h3 class=\"the-media-object__title  \">\n<p>    Climate Week warns of challenges in delivering the energy transition<br \/>\n  <\/h3>\n<\/div>\n<\/article>\n<div class=\"articleBody\" data-key=\"articleBody\">Capturing and reusing waste heat could be the next \u201cbreakthrough\u201d in Europe\u2019s energy security and competitiveness \u2013 helping sever its reliance on gas.A new report from Danish engineering firm Danfoss found that two-thirds of global energy was wasted as heat in 2024. As energy demand continues to increase, this is expected to hit 55 per cent by 2030.It\u2019s why experts are now describing waste heat from facilities such as supermarkets, factories, wastewater treatment plants and data centres as the world\u2019s \u201clargest untapped\u201d energy source. However, governments are lagging when it comes to unlocking its potential.How much heat does Europe waste and how can it be reused?Waste heat is the excess warmth given off by everyday processes, such as a supermarket running its refrigerators. Instead of letting this escape into the air, which risks contributing to the urban heat island effect, it can be captured.This is usually done using heat pumps that \u201cupgrade\u201d the temperature and then pipe the heat into the same building or a nearby district heating network that provides spaces with heating and hot water.One aluminium manufacturer in Denmark has stopped using gas on-site through this process, which is projected to save the annual heating and hot water gas use of 132 Danish homes.The analysis states that reusing waste heat could save Europe a staggering \u20ac140 billion a year, based on the 3,1000 TWh that was dumped in 2023. It means that Europe\u2019s waste heat alone could power the entire city of Paris for 48 years.In Germany, existing industrial waste heat emitters could supply more than 30 per cent of the country\u2019s district heating demand. This doesn\u2019t include data centres, which experts say could push the coverage considerably higher \u2013 considering that the country has more than 3,000 servers already.Europe \u2018cannot afford\u2019 wasting heat\u201cWe\u2019re throwing away energy we\u2019ve already paid for,\u201d says Kristian Strand, President of Danfoss Climate Solutions.\u00a0\u201cWaste heat is one of the world\u2019s biggest untapped energy sources and reusing it is one of the fastest ways to strengthen Europe\u2019s competitiveness, energy security and resilience. We cannot afford to keep letting it go to waste.\u201dStrand argues that to make the most out of waste heat, industry must make heat recovery \u201cstandard practice\u201d. Energy operators also need to make connections easier while governments need to remove the barriers that make electricity more expensive than gas for these investments.\u201cGet those pieces in place and waste heat stops being waste,\u201d he adds. \u201cIt becomes a source of cheaper energy, greater resilience and stronger competitiveness.\u201d<\/div>\n<p>[analyse_source url=&#8221;https:\/\/www.euronews.com\/2026\/09\/22\/worlds-largest-untapped-energy-source-how-waste-heat-could-help-europe-end-its-reliance-on&#8221;]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[analyse_image type=&#8221;featured&#8221; src=&#8221;https:\/\/images.euronews.com\/articles\/stories\/09\/92\/15\/70\/1200x675_cmsv2_0506bc28-7045-51ed-99e1-e7f861708a35-9921570.jpg&#8221;] Tech News 400 people rally against Google data centre in rural Austria Europe News Macron says talks with Trump on Red Sea and Ukraine &#8216;constructive&#8217; Cinema Brad Pitt returns as Cliff Booth in new trailer \u2013 and everyone is complaining about the same thing Travel News Wrapping passports in foil to stop [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[90],"tags":[226,36],"class_list":["post-2156925","post","type-post","status-publish","format-standard","hentry","category-international","tag-crawlmanager","tag-euronews-com"],"_links":{"self":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts\/2156925","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2156925"}],"version-history":[{"count":0,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts\/2156925\/revisions"}],"wp:attachment":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2156925"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2156925"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2156925"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}