{"id":1569,"date":"2024-07-27T16:35:25","date_gmt":"2024-07-27T16:35:25","guid":{"rendered":"https:\/\/d66.nl\/amstelveen\/nieuws\/"},"modified":"2024-07-27T16:35:27","modified_gmt":"2024-07-27T16:35:27","slug":"zomercolumn-9-maarten-de-haan","status":"publish","type":"post","link":"https:\/\/d66.nl\/amstelveen\/nieuws\/zomercolumn-9-maarten-de-haan","title":{"rendered":"Zomercolumn #9 &#8211; Maarten de Haan"},"content":{"rendered":"<div\n  id=\"\"\n  class=\"wrapper  wrapper__spacing-bottom-large--50 wrapper__spacing-bottom-desktop--66 wrapper__spacing-bottom-mobile--76  wrapper__gutter--none\"\n  >\n  \t<div class=\"wrapper__container wrapper__container-width-large--default\">\n\t  <div class=\"wrapper__inner wrapper__width-large--14 wrapper__width-desktop--20 wrapper__width-mobile--24 wrapper__offset-large--6 wrapper__offset-desktop--4 wrapper__offset-mobile--0\">\n\t\t<h1 class=\"heading   heading__size--largest heading__font--serif heading__weight--regular  block-heading__heading\" id=\"nav--strong-de-terugkeer-van-het-gemeentelijk-energiebedrijf--strong-5761\"  data-nav-heading-mobile=\"De terugkeer van het gemeentelijk energiebedrijf\" >\n\t<strong>De terugkeer van het gemeentelijk energiebedrijf<\/strong><\/h1>\t  <\/div>\n\t<\/div>\n  <\/div>\n\n\n<div\n  id=\"\"\n  class=\"wrapper  wrapper__spacing-bottom-large--50 wrapper__spacing-bottom-mobile--40  wrapper__gutter--none\"\n  >\n  \t<div class=\"wrapper__container wrapper__container-width-large--default\">\n\t  <div class=\"wrapper__inner wrapper__width-large--13 wrapper__width-desktop--22 wrapper__width-mobile--24 wrapper__offset-large--6 wrapper__offset-desktop--2 wrapper__offset-mobile--0\">\n\t\t<p\n\t\tclass=\"paragraph   paragraph__size--big   block-paragraph__paragraph\"\n\t\t\t>\n\t\t<strong>Terwijl velen van ons staan te trappelen om op vakantie te gaan of al op vakantie zijn, deel ik graag wat overpeinzingen wat betreft de uitdagingen met betrekking tot energietransitie.<\/strong>\t<\/p>\t  <\/div>\n\t<\/div>\n  <\/div>\n\n\n<div\n  id=\"\"\n  class=\"wrapper  wrapper__spacing-bottom-large--30 wrapper__spacing-bottom-desktop--20 wrapper__spacing-bottom-mobile--10  wrapper__gutter--none\"\n  >\n  \t<div class=\"wrapper__container wrapper__container-width-large--default\">\n\t  <div class=\"wrapper__inner wrapper__width-large--14 wrapper__width-desktop--24 wrapper__width-mobile--24 wrapper__offset-large--6 wrapper__offset-desktop--2 wrapper__offset-mobile--0\">\n\t\t<section class=\"block-related-post-metadata js-block-related-post-metadata\">\n\t<div class=\"block-related-post-metadata__content-wrapper\">\n\t\t<div class=\"block-related-post-metadata__persons\">\n\t\t\t\t\t<\/div>\n\t\t<div class=\"block-related-post-metadata__meta\">\n\t\t\t<div class=\"block-related-post-metadata__date\">\n\t\t\t\t27.07.2024<div class=\"post-share js-post-share rs_skip_always\">\n\t<button class=\"post-share__share-button 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class=\"category-link__item\">\n\t\t\t<a href=\"https:\/\/d66.nl\/amstelveen\/category\/d66\/\">\n\t\t\t\tD66\t\t\t<\/a>\n\t\t<\/div>\n\t\t<\/div>\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n<\/section>\n\t  <\/div>\n\t<\/div>\n  <\/div>\n\n\n<div\n  id=\"\"\n  class=\"wrapper  wrapper__spacing-bottom-large--20  wrapper__gutter--none\"\n  >\n  \t<div class=\"wrapper__container wrapper__container-width-large--default\">\n\t  <div class=\"wrapper__inner wrapper__width-large--24 wrapper__width-mobile--24\">\n\t\t<img loading=\"lazy\" decoding=\"async\" width=\"779\" height=\"1024\" src=\"https:\/\/d66.nl\/amstelveen\/wp-content\/uploads\/sites\/53\/2024\/07\/GEB-zomercolumn-Maarten-de-Haan-779x1024.png\" class=\"image block-image__img\" alt=\"GEB-zomercolumn Maarten de Haan\" srcset=\"https:\/\/d66.nl\/amstelveen\/wp-content\/uploads\/sites\/53\/2024\/07\/GEB-zomercolumn-Maarten-de-Haan-779x1024.png 779w, 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block-paragraph__paragraph\"\n\t\t\t>\n\t\tAmstelveen heeft de ambitie om in 2040 onafhankelijk te zijn van fossiele energiebronnen, met andere woorden: van het gas af. <br><br>Dat is makkelijker gezegd dan gedaan want als we kijken naar &#8216;traditionele alternatieven voor gas&#8217; kom je al snel uit bij hoogtemperatuur warmtenetten voor oudere wijken (met slecht ge\u00efsoleerde oudere huizen) of <em>all electric<\/em>-oplossingen voor nieuwe buurten (met goed ge\u00efsoleerde nieuwe huizen).<br><br>Het probleem met de bovenstaande aanpak is dat het warmtenet niet echt duurzaam is want de warmte wordt opgewekt door het verbranden van afval en de aansluitingen op het warmtenet zijn beperkt in Amstelveen. <br><br>Er zijn dus vele (oudere) wijken in Amstelveen waar een goede duurzame (lange-termijn) oplossing ontbreekt.<br><br>Is de hybride lucht-warmtepomp dan geen duurzame oplossing voor matig ge\u00efsoleerde woningen? <br>Op individueel niveau lijkt een lucht-warmtepomp interessant want je bespaart op gas en als het nodig is springt de gasketel aan. <br><br>Maar als iedereen voor deze oplossing kiest in mijn wijk Elsrijk-West, dan zijn er al 11 extra transformatorhuisjes nodig om al die elektriciteit op te wekken voor de lucht-warmtepomp, want het probleem van de lucht-warmtepomp is dat die relatief lage-lucht- temperatuur moet ophogen van 2-6 graden in januari om tot een aangename 20 graden in huis te komen; daar is veel elektriciteit voor nodig.<br><br>Zijn er alternatieve warmtebronnen? Ja, maar we hebben de hulp nodig van de gemeente om deze ontsluiten, denk hierbij aan energie uit (temperaturen in de winter):<br><br>\u2022 geothermie: de diepe bodem, gemiddelde temperatuur van 70 graden<br>\u2022 aquathermie: diep\/stromend water, gemiddelde temperatuur van 10 graden<br>\u2022 riothermie: rioolwater\/waterleiding, gemiddelde temperatuur van 12 graden<br><br>Op het eerste zicht lijkt geothermie natuurlijk een mooie oplossing qua temperatuur maar het ontsluiten van deze bron is helaas een langetermijnoplossing waar nog veel onderzoek, overleg en vergunningen aan vooraf moeten gaan.<br><br>Aquathermie en riothermie zijn echter bestaande warmtebronnen die \u201cslechts\u201d aangesloten moeten worden aan woningen. Door de hogere gemiddelde temperaturen van deze bronnen is er minder elektriciteit nodig om deze te verhogen naar een aangename woningtemperatuur.<br><br>Een ander voordeel is dat deze bronnen al beheerd worden door de gemeente (eventueel in combinatie met het waterschap).<br><br>Hoog tijd dus om na te gaan nadenken over de oprichting van een gemeentelijk energiebedrijf dat de Amstelveners gaat helpen om onze energietransitie handen en voeten te geven.<br><br>Soms moet je achteruit kijken om vooruit te komen!\t<\/p>\t  <\/div>\n\t<\/div>\n  <\/div>\n\n\t<\/div>\n\n\t<div class=\"block-post-content__sidebar\">\n\t\t\n\t\t\n\t\t\t<\/div>\n<\/section>\n\t  <\/div>\n\t<\/div>\n  <\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":720,"featured_media":1568,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"search-tags":[],"labels":[],"class_list":["post-1569","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-d66"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>D66 Amstelveen &#8212; 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