{"id":22727,"date":"2020-02-26T13:05:50","date_gmt":"2020-02-26T12:05:50","guid":{"rendered":"https:\/\/www.miljomagasinet.se\/?p=22727"},"modified":"2020-02-26T13:05:52","modified_gmt":"2020-02-26T12:05:52","slug":"extremvader-kan-gora-oss-stromlosa","status":"publish","type":"post","link":"https:\/\/www.miljomagasinet.se\/index.php\/2020\/02\/26\/extremvader-kan-gora-oss-stromlosa\/","title":{"rendered":"Extremv\u00e4der kan g\u00f6ra oss str\u00f6ml\u00f6sa"},"content":{"rendered":"\n

N\u00e4r klimatet f\u00f6r\u00e4ndras och allt fler extrema v\u00e4derfenomen intr\u00e4ffar kan det p\u00e5verka str\u00f6mf\u00f6rs\u00f6rjningen, enligt en ny studie. Men det g\u00e5r att undvika om vi f\u00f6rbereder oss.<\/b><\/p>\n\n\n\n

\"\"
Under en extra kall vintervecka kanske vindkraften inte r\u00e4cker till i framtiden, eftersom nuvarande energisystem \u00e4r designat f\u00f6r dagens klimat, inte framtidens, enligt en ny studie. (Foto: Giles Williams<\/a> \/ CC BY<\/a> )<\/figcaption><\/figure><\/div>\n\n\n\n

Vi f\u00e5r r\u00e4kna med ett allt lynnigare klimat fram\u00f6ver i form av exempelvis fler stormar, fler heta vindstilla sommardagar liksom ett antal extremkalla, vindstilla vinterdagar. Allteftersom kommer ocks\u00e5 energisystemet \u2013 produktion, distribution och anv\u00e4ndning av v\u00e4rme och el \u2013 vara uppbyggt p\u00e5 ett annat s\u00e4tt \u00e4n i dag. Sol, vind och andra f\u00f6rnybara energik\u00e4llor utg\u00f6r grundbulten i produktionen. Parallellt produceras elen betydligt mer decentraliserat samtidigt som befolkningen v\u00e4xer och allt fler bor i st\u00e4der, skriver Lunds universitetet.<\/p>\n\n\n\n

Men det \u00e4r sv\u00e5rt att sia om framtiden eftersom det finns stora os\u00e4kerheter och den teknologiska utvecklingen, utsl\u00e4ppen och klimateffekterna kan ta flera v\u00e4ndningar. <\/p>\n\n\n\n

I en artikel<\/b> i Nature Energy presenterar forskare 13 klimatscenarier i 30 svenska st\u00e4der. D\u00e4r \u00e4r slutsatsen att det \u00e4r mycket sannolikt att vi blir str\u00f6ml\u00f6sa n\u00e4r v\u00e4dret blir allt tuffare i framtiden. Exempelvis en sm\u00e4llkall vintervecka som inte f\u00f6rm\u00e5r generera tillr\u00e4ckligt med el fr\u00e5n vindkraften. Nuvarande energisystem \u00e4r designat f\u00f6r dagens klimat, inte framtidens, \u00e4r deras budskap. <\/p>\n\n\n\n

\u2013 V\u00e5ra resultat visar<\/b> att vi m\u00e5ste s\u00e4kra upp f\u00f6r framtida extremv\u00e4der. Det g\u00f6rs inte i dag. Men v\u00e5ra ber\u00e4kningar och v\u00e5r metod kan vara en f\u00f6rsta hj\u00e4lp f\u00f6r att ta reda p\u00e5 vilka s\u00e5rbarhetspucklarna \u00e4r, s\u00e4ger Vahid Nik, forskare i infrastrukturfysik, energi och klimatf\u00f6r\u00e4ndring vid LTH, Lunds universitet och som st\u00e5r f\u00f6r merparten av arbetet bakom artikeln.<\/p>\n\n\n\n

Han menar att det finns flera l\u00f6sningar, men att vi beh\u00f6ver b\u00f6rja planera f\u00f6r dem redan nu.<\/p>\n\n\n\n

\u2013 Det \u00e4r sj\u00e4lvklart bra att vi st\u00e4ller om till f\u00f6rnybart, och det \u00e4r oundvikligt och s\u00e5 blir det f\u00f6rr eller senare. Men om vi inte planerar energisystemet f\u00f6r detta redan nu s\u00e5 finns h\u00f6g risk f\u00f6r att omst\u00e4llningen till f\u00f6rnybart f\u00f6rdr\u00f6js, s\u00e4ger Vahid Nik.<\/p>\n\n\n\n

\u2013 Det finns m\u00e5nga andra forskargrupper som jobbar p\u00e5 lovande l\u00f6sningar. Samtidigt beh\u00f6ver vi b\u00e4ttre f\u00f6rst\u00e5 vad de framtida klimatf\u00f6r\u00e4ndringarna kan f\u00e5 f\u00f6r konsekvenser. F\u00f6r f\u00f6rsta g\u00e5ngen kan vi m\u00e5la upp den bilden, s\u00e4ger han.<\/p>\n\n\n\n

Sammantaget handlar<\/b> l\u00f6sningarna om att \u00f6ka flexibiliteten och resiliensen genom energilagring, m\u00f6jlighet att v\u00e4xla mellan olika f\u00f6rnybara energik\u00e4llor och f\u00f6rst\u00e5 \u00e4ndrade anv\u00e4ndarbeteenden och -behov, skriver universitetet. <\/p>\n\n\n

<\/p>\n\n\n

Fakta: 13 framtida klimatscenarier<\/b>
\nForskarna har r\u00e4knat p\u00e5 13 olika framtida klimatscenarier f\u00f6r \u00e5ren 2010\u20132099 i kombination med dels uppskattat energibehov f\u00f6r de bost\u00e4der i de st\u00e4der som ing\u00e5r i unders\u00f6kningen, dels en successivt \u00f6kad andel f\u00f6rnybar (vind och sol) energiproduktion. Prestandan unders\u00f6ktes p\u00e5 timbasis och kostnaden och potentialen med att integrera f\u00f6rnybart utv\u00e4rderades. Forskarna utvecklade en metod f\u00f6r att kunna kalkylera med b\u00e5de extrema v\u00e4derh\u00e4ndelser och os\u00e4kerhet i ber\u00e4kningarna.
\n    F\u00f6ljande st\u00e4der fr\u00e5n fyra klimatzoner, s\u00e5som de definieras enligt Boverket, ingick i analysen: Brom\u00f6lla, Bengtsfors, Falun, Gnesta, G\u00f6teborg, Gr\u00e4storp, Habo, Hudiksvall, Jokkmokk, Kalix, Karlstad, Kristianstad, Landskrona, Link\u00f6ping, Liding\u00f6, Lule\u00e5, Lund, Malm\u00f6, Sala, Solna, Stockholm, Str\u00f6mstad, Sundsvall, Tj\u00f6rn, Tran\u00e5s, Ulricehamn, Vallentuna, V\u00e4rnamo, V\u00e4ster\u00e5s, Vaxholm.
\nK\u00e4lla: Lunds universitetet<\/i><\/p>\n","protected":false},"excerpt":{"rendered":"

N\u00e4r klimatet f\u00f6r\u00e4ndras och allt fler extrema v\u00e4derfenomen intr\u00e4ffar kan det p\u00e5verka str\u00f6mf\u00f6rs\u00f6rjningen, enligt en ny studie. Men det g\u00e5r<\/p>\n","protected":false},"author":12,"featured_media":22729,"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":[36,16,5,17,15,4],"tags":[],"yoast_head":"\nExtremv\u00e4der kan g\u00f6ra oss str\u00f6ml\u00f6sa - 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\/2020\/02\/26\/extremvader-kan-gora-oss-stromlosa\/\" \/>\n<meta property=\"og:locale\" content=\"sv_SE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Extremv\u00e4der kan g\u00f6ra oss str\u00f6ml\u00f6sa - MILJ\u00d6MAGASINET\" \/>\n<meta property=\"og:description\" content=\"N\u00e4r klimatet f\u00f6r\u00e4ndras och allt fler extrema v\u00e4derfenomen intr\u00e4ffar kan det p\u00e5verka str\u00f6mf\u00f6rs\u00f6rjningen, enligt en ny studie. 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Lundb\u00e4ck","author_link":"https:\/\/www.miljomagasinet.se\/index.php\/author\/jonatan\/"},"rttpg_comment":0,"rttpg_category":"<a href=\"https:\/\/www.miljomagasinet.se\/index.php\/category\/aktuellt\/\" rel=\"category tag\">Aktuellt<\/a> <a href=\"https:\/\/www.miljomagasinet.se\/index.php\/category\/energi\/\" rel=\"category tag\">Energi<\/a> <a href=\"https:\/\/www.miljomagasinet.se\/index.php\/category\/outstanding-news\/\" rel=\"category tag\">Huvudnyheter<\/a> <a href=\"https:\/\/www.miljomagasinet.se\/index.php\/category\/inrikes\/\" rel=\"category tag\">Inrikes<\/a> <a href=\"https:\/\/www.miljomagasinet.se\/index.php\/category\/klimat\/\" rel=\"category tag\">Klimat<\/a> <a href=\"https:\/\/www.miljomagasinet.se\/index.php\/category\/recent-news\/\" rel=\"category tag\">Nyheter<\/a>","rttpg_excerpt":"N\u00e4r klimatet f\u00f6r\u00e4ndras och allt fler extrema v\u00e4derfenomen intr\u00e4ffar kan det p\u00e5verka str\u00f6mf\u00f6rs\u00f6rjningen, enligt en ny studie. 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