{"id":5539,"date":"2019-03-01T16:56:47","date_gmt":"2019-03-01T15:56:47","guid":{"rendered":"https:\/\/www.miljomagasinet.se\/?p=5539"},"modified":"2019-03-01T17:05:03","modified_gmt":"2019-03-01T16:05:03","slug":"karnkraften-dyr-elproducent","status":"publish","type":"post","link":"https:\/\/www.miljomagasinet.se\/index.php\/2019\/03\/01\/karnkraften-dyr-elproducent\/","title":{"rendered":"K\u00e4rnkraften dyr elproducent"},"content":{"rendered":"\t\t
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\n\t\t\t\t\t\t\tAktiviteterna kring klimatfr\u00e5gan har under h\u00f6sten\/vintern varit intensiva. Gamla k\u00e4rnkraftsv\u00e4nner har dykt upp och tycker att k\u00e4rnkraft borde vara en del av l\u00f6sningen. \t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Ringhalsverket utanf\u00f6r Varberg.\nFoto: tubaist\/Creative Commons<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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K\u00e4rnkraften dyr elproducent<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Aktiviteterna kring klimatfr\u00e5gan har under h\u00f6sten\/vintern varit intensiva. Gamla k\u00e4rnkraftsv\u00e4nner har dykt upp och tycker att k\u00e4rnkraft borde vara en del av l\u00f6sningen. <\/span><\/span><\/span><\/p>

Kan det vara s\u00e5? L\u00e5t oss titta p\u00e5 n\u00e5gra fakta och fr\u00e5getecken r\u00f6rande k\u00e4rnkraften.<\/span><\/span><\/span><\/p>

Kostnaderna.<\/b> K\u00e4rnkraftverk \u00e4r dyra att bygga, driva och riva, vilket g\u00f6r att el fr\u00e5n dessa verk blir klart dyrare \u00e4n el fr\u00e5n vind och sol. Eftersom vi beh\u00f6ver mycket ny el f\u00f6r att ers\u00e4tta fossila br\u00e4nslen (kol, olja och gas) vore det v\u00e4l b\u00e4ttre att satsa p\u00e5 det som ger mest el f\u00f6r pengarna.<\/span><\/span><\/span><\/p>

Tidsaspekten.<\/b><\/span> Att bygga k\u00e4rnkraftverk tar l\u00e5ng tid, 15-20 \u00e5r fr\u00e5n beslut tills elen kommer. Men det \u00e4r nu (= de n\u00e4rmaste 5-10 \u00e5ren) vi beh\u00f6ver en massa ny, fossilfri el. Vindkraftverk och solcellsanl\u00e4ggningar \u00e4r snabbt byggda i j\u00e4mf\u00f6relse.<\/span><\/span><\/span><\/p>

Uranet. <\/b><\/span>Uran \u00e4r en \u00e4ndlig resurs. I dag st\u00e5r k\u00e4rnkraften f\u00f6r n\u00e5gra f\u00e5 procent av v\u00e4rldens energi. Om k\u00e4rnkraften ska ers\u00e4tta s\u00e4g h\u00e4lften av fossilbr\u00e4nslena, m\u00e5ste uttaget av uran minst tiodubblas. D\u00e5 r\u00e4cker det bara 4-20 \u00e5r, beroende p\u00e5 vem som bed\u00f6mer. <\/span><\/span><\/span><\/p>

F\u00f6r att klara en tiodubbling av el fr\u00e5n k\u00e4rnkraft beh\u00f6ver minst 3000 nya rektorer byggas till 2030. Det betyder minst 20 reaktorer i m\u00e5naden i tolv \u00e5r. Ohyggligt dyrt, riskabelt och 2050 st\u00e5r vi \u00e4nd\u00e5 d\u00e4r med elbrist och bortsl\u00f6sade resurser.<\/span><\/span><\/span><\/p>

S\u00e4kerheten.<\/b><\/span> Med en tiodubbling av antalet reaktorer f\u00e5r vi r\u00e4kna med tio g\u00e5nger s\u00e5 m\u00e5nga olyckor\/olyckstillbud. Det betyder n\u00e4stan en mycket allvarlig olycka (t\u00e4nk Tjernobyl eller Fukushima) varje \u00e5r och m\u00e5nga fler sm\u00e5 olyckor. Tillsammans med l\u00e4ckagen fr\u00e5n dagbrotten och uranhanteringen kommer vi att f\u00e5 en allt mer radioaktiv v\u00e4rld.<\/span><\/span><\/span><\/p>

Ny teknik?<\/b><\/span> Det talas ofta om ny teknik som ska r\u00e4dda oss fr\u00e5n ovanst\u00e5ende problem och det verkar ibland som om det fanns massor av ny teknik. Och det g\u00f6r det, p\u00e5 ritbordet, det mesta inte testat alls. Det vill s\u00e4ga, det finns inte i sinnev\u00e4rlden. Ett exempel \u00e4r fusionskraften, som f\u00f6rv\u00e4ntas vara kommersiell om 30 \u00e5r. S\u00e5 har man trott de senaste 50 \u00e5ren och s\u00e5 l\u00e4r det f\u00f6rbli.<\/span><\/span><\/span><\/p>

Som avslutning ett<\/b><\/span> svenskt problem: Ringhals\/Oskarshamn. Tv\u00e5 reaktorer var p\u00e5 dessa k\u00e4rnkraftverk kommer att st\u00e4ngas 2020 av s\u00e4kerhetssk\u00e4l. Erfarenheterna fr\u00e5n olyckan i Fukushima g\u00f6r att b\u00e4ttre s\u00e4kerhetssystem kr\u00e4vs och detta anser \u00e4garna inte \u00e4r l\u00f6nsamt att bekosta. En del vill nu att kraftverken ska forts\u00e4tta leverera el som kan exporteras till Tyskland och d\u00e4r minska produktionen med brunkol. Ska vi d\u00e5 till\u00e5ta drift med l\u00e4gre s\u00e4kerhet, eller ska pengarna l\u00e4ggas p\u00e5 vind- och solel, som \u00e4r klart billigast per producerad kWh? El\u00f6verskott i Sverige kan exporteras till Tyskland och d\u00e5 minska deras brunkolsanv\u00e4ndning.<\/span><\/span><\/span><\/p>

K\u00e4rnkraft \u00e4r allts\u00e5 inte n\u00e5got alternativ, inte heller under klimatkrisen.<\/span><\/span><\/span><\/p>

Jan-Erik Engman<\/b><\/i><\/span><\/span><\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

Aktiviteterna kring klimatfr\u00e5gan har under h\u00f6sten\/vintern varit intensiva. Gamla k\u00e4rnkraftsv\u00e4nner har dykt upp och tycker att k\u00e4rnkraft borde vara en<\/p>\n","protected":false},"author":6,"featured_media":5584,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"pgc_meta":"","om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[15,27,11],"tags":[],"yoast_head":"\nK\u00e4rnkraften dyr elproducent - MILJ\u00d6MAGASINET<\/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:\/\/www.miljomagasinet.se\/index.php\/2019\/03\/01\/karnkraften-dyr-elproducent\/\" \/>\n<meta property=\"og:locale\" content=\"sv_SE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"K\u00e4rnkraften dyr elproducent - MILJ\u00d6MAGASINET\" \/>\n<meta property=\"og:description\" content=\"Aktiviteterna kring klimatfr\u00e5gan har under h\u00f6sten\/vintern varit intensiva. 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Gamla k\u00e4rnkraftsv\u00e4nner har dykt upp och tycker att k\u00e4rnkraft borde vara en","_links":{"self":[{"href":"https:\/\/www.miljomagasinet.se\/index.php\/wp-json\/wp\/v2\/posts\/5539"}],"collection":[{"href":"https:\/\/www.miljomagasinet.se\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.miljomagasinet.se\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.miljomagasinet.se\/index.php\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.miljomagasinet.se\/index.php\/wp-json\/wp\/v2\/comments?post=5539"}],"version-history":[{"count":0,"href":"https:\/\/www.miljomagasinet.se\/index.php\/wp-json\/wp\/v2\/posts\/5539\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.miljomagasinet.se\/index.php\/wp-json\/wp\/v2\/media\/5584"}],"wp:attachment":[{"href":"https:\/\/www.miljomagasinet.se\/index.php\/wp-json\/wp\/v2\/media?parent=5539"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.miljomagasinet.se\/index.php\/wp-json\/wp\/v2\/categories?post=5539"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.miljomagasinet.se\/index.php\/wp-json\/wp\/v2\/tags?post=5539"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}