{"id":14550,"date":"2023-12-05T11:18:50","date_gmt":"2023-12-05T11:18:50","guid":{"rendered":"https:\/\/wcpporguk.cf.ac.uk\/report\/sut-gallai-cymru-ddiwallu-anghenion-ynni-erbyn-2035\/"},"modified":"2025-04-11T13:32:11","modified_gmt":"2025-04-11T13:32:11","slug":"sut-gallai-cymru-ddiwallu-anghenion-ynni-erbyn-2035","status":"publish","type":"report","link":"https:\/\/wcpp.org.uk\/cy\/report\/sut-gallai-cymru-ddiwallu-anghenion-ynni-erbyn-2035\/","title":{"rendered":"Sut gallai Cymru ddiwallu anghenion ynni erbyn 2035?"},"content":{"rendered":"<blockquote><p>Mae ein hallbynnau yn dangos, er bod cyrraedd y targed 2035 yn gyraeddadwy, y bydd angen gweithredu\u2019n gyflym ac ar raddfa fawr er mwyn darparu\u2019r lefel angenrheidiol o gapasiti cynhyrchu trydan.<\/p><\/blockquote>\n<p>Bydd datgarboneiddio\u2019r system drydan drwy symud at gynhyrchu trydan carbon isel a di-garbon a thrydaneiddio prosesau gwres, trafnidiaeth a diwydiannol yn rhan hanfodol o gyrraedd targedau sero net. Mae llywodraeth y DU wedi gosod targed ar gyfer datgarboneiddio cynhyrchu trydan erbyn 2035.<\/p>\n<p>Fel rhan o\u2019i Gytundeb Cydweithredu \u00e2 Phlaid Cymru, ymrwymodd Llywodraeth Cymru i \u2018gomisiynu cyngor annibynnol i archwilio llwybrau posibl tuag at sero net erbyn 2035\u2019. Mewn ymateb i hyn, mae Gr\u0175p Her Cymru Sero Net 2035 wedi cael ei ffurfio, dan gadeiryddiaeth y cyn weinidog, Jane Davidson.<\/p>\n<p>Mae Canolfan Polisi Cyhoeddus Cymru (WCPP) wedi cael cyllid gan Lywodraeth Cymru i ddarparu cymorth annibynnol i'r Gr\u0175p Her, i'w helpu i gael gafael ar dystiolaeth ac arbenigedd perthnasol i lywio eu gwaith. Mae\u2019r allbynnau hyn yn ffurfio ein cyflwyniad ynghylch yr ail Faes Her, \u2018Sut gallai Cymru ddiwallu anghenion ynni erbyn 2035 wrth roi\u2019r gorau i ddefnyddio tanwydd ffosil yn raddol?\u2019<\/p>\n<p>Mae ein hallbynnau yn dangos, er bod cyrraedd y targed 2035 yn gyraeddadwy, y bydd angen gweithredu\u2019n gyflym ac ar raddfa fawr er mwyn darparu\u2019r lefel angenrheidiol o gapasiti cynhyrchu trydan.<\/p>\n<p>Mae ein gwaith ar <strong>Heriau a chyfleoedd i ddatgarboneiddio system drydan Cymru erbyn 2035<\/strong> yn dangos maint yr her. Bydd angen i ni ddyblu\u2019r gyfradd adeiladu orau o ran seilwaith ynni rydym wedi\u2019i gyflawni yn ystod yr hanner can mlynedd diwethaf, a gwneud hynny bob blwyddyn dros y deuddeg mlynedd nesaf.<\/p>\n<p>Bydd angen rheoli capasiti yn erbyn cynnydd yn y galw am drydan yn sgil trydaneiddio; digideiddio\u2019r economi; a newidiadau demograffig. Gan gydnabod pwysigrwydd canolog ynni i\u2019n heconomi a\u2019n cymdeithas, mae\u2019r papur yn galw am feddwl cydgysylltiedig a hirdymor ynghylch sut i reoli\u2019r trawsnewidiad ynni.<\/p>\n<p>Yn <strong>Cyflymu\u2019r defnyddio o seilwaith ynni<\/strong>, rydym yn troi at y ffyrdd y gallai llywodraethau gyflymu\u2019r gwaith o adeiladu prosiectau ynni adnewyddadwy newydd a seilwaith ynni cysylltiedig arall.<\/p>\n<p>Gan adeiladu ar y Bil Seilwaith (Cymru), rydym yn ystyried astudiaethau achos o wledydd eraill sydd wedi llwyddo i gynyddu seilwaith. Mae\u2019r rhain yn dangos gwahanol ffyrdd y gellir rhoi prosesau newydd ar waith, yn ogystal \u00e2 darparu trefniadau dros dro tra bydd deddfau newydd yn cael eu pasio. Rydym hefyd yn ystyried sut i fanteisio i\u2019r eithaf ar ymgysylltu \u00e2\u2019r cyhoedd a\u2019r ffordd orau o ddefnyddio hynny heb ymestyn amserlenni prosiectau\u2019n sylweddol.<\/p>\n<p>Yn gryno:<\/p>\n<ul>\n<li>Mae llawer i\u2019w wneud i ddatgarboneiddio\u2019r system drydan, gan gynnwys lefel anferthol o ddefnyddio seilwaith;<\/li>\n<li>Gall newidiadau i\u2019r broses gynllunio a chaniat\u00e1u gyflymu lefel y defnydd yn sylweddol, a gwelir hynny mewn astudiaethau achos o fannau eraill; a<\/li>\n<li>Bydd angen i unrhyw raglen ddatgarboneiddio fod ledled Prydain Fawr ac nid yn benodol i Gymru, gyda gwaith partneriaeth cryf rhwng gwahanol lefelau o\u2019r system ynni i sicrhau bod Cymru a\u2019r DU yn cyrraedd eu targedau datgarboneiddio.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mae ein hallbynnau yn dangos, er bod cyrraedd y targed 2035 yn gyraeddadwy, y bydd angen gweithredu\u2019n gyflym ac ar raddfa fawr er mwyn darparu\u2019r lefel angenrheidiol o gapasiti cynhyrchu trydan. Bydd datgarboneiddio\u2019r system drydan drwy symud at gynhyrchu trydan carbon isel a di-garbon a thrydaneiddio prosesau gwres, trafnidiaeth a diwydiannol yn rhan hanfodol o [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":10335,"template":"","categories":[12],"tags":[144,149],"research-and-impact":[],"class_list":["post-14550","report","type-report","status-publish","has-post-thumbnail","hentry","category-yr-amgylchedd-a-sero-net","tag-sero-net","tag-ynni"],"meta_box":{"project":"","lead_author":"","authors":[],"image":[{"width":744,"height":418,"file":"iStock-476835790-2-2.jpg","filesize":563211,"sizes":{"medium":{"file":"iStock-476835790-2-2-744x385.jpg","width":744,"height":385,"mime-type":"image\/jpeg","filesize":55150,"url":"https:\/\/wcpp.org.uk\/wp-content\/uploads\/iStock-476835790-2-2-744x385.jpg"},"large":{"file":"iStock-476835790-2-2-1200x621.jpg","width":1200,"height":621,"mime-type":"image\/jpeg","filesize":117325,"url":"https:\/\/wcpp.org.uk\/wp-content\/uploads\/iStock-476835790-2-2-1200x621.jpg"},"thumbnail":{"file":"iStock-476835790-2-2-744x418.jpg","width":744,"height":418,"mime-type":"image\/jpeg","filesize":57938,"url":"https:\/\/wcpp.org.uk\/wp-content\/uploads\/iStock-476835790-2-2-744x418.jpg"},"medium_large":{"file":"iStock-476835790-2-2-768x397.jpg","width":768,"height":397,"mime-type":"image\/jpeg","filesize":57379,"url":"https:\/\/wcpp.org.uk\/wp-content\/uploads\/iStock-476835790-2-2-768x397.jpg"},"1536x1536":{"file":"iStock-476835790-2-2-1536x795.jpg","width":1536,"height":795,"mime-type":"image\/jpeg","filesize":173029,"url":"https:\/\/wcpp.org.uk\/wp-content\/uploads\/iStock-476835790-2-2-1536x795.jpg"},"2048x2048":{"file":"iStock-476835790-2-2-2048x1060.jpg","width":2048,"height":1060,"mime-type":"image\/jpeg","filesize":270560,"url":"https:\/\/wcpp.org.uk\/wp-content\/uploads\/iStock-476835790-2-2-2048x1060.jpg"},"reykjavik-intro":{"file":"iStock-476835790-2-2-1920x1080.jpg","width":1920,"height":1080,"mime-type":"image\/jpeg","filesize":253529,"url":"https:\/\/wcpp.org.uk\/wp-content\/uploads\/iStock-476835790-2-2-1920x1080.jpg"}},"image_meta":{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"0","keywords":[]},"ID":"14545","name":"iStock-476835790-2-2.jpg","path":"\/infotree\/sites\/wcpp.org.uk\/wp-content\/uploads\/iStock-476835790-2-2.jpg","url":"https:\/\/wcpp.org.uk\/wp-content\/uploads\/iStock-476835790-2-2-744x418.jpg","full_url":"https:\/\/wcpp.org.uk\/wp-content\/uploads\/iStock-476835790-2-2.jpg","title":"iStock-476835790-2-2.jpg","caption":"","description":"","alt":"","srcset":"https:\/\/wcpp.org.uk\/wp-content\/uploads\/iStock-476835790-2-2-744x418.jpg 744w, https:\/\/wcpp.org.uk\/wp-content\/uploads\/iStock-476835790-2-2-1920x1080.jpg 1920w"}],"files":[{"file":[14552],"publication_type":"Report","title_for_display":"Briff polisi - Heriau a chyfleoedd datgarboneiddio ynni Cymru"},{"file":[14553],"title_for_display":"Adolygiad o'r dystiolaeth - Cyflymu'r defnydd o seilwaith ynni"},{"file":[14554],"title_for_display":"Llwybrau ar gyfer diwallu anghenion ynni Cymru i'r dyfodol gan Andy Regan"}],"disable_related_content":"0"},"_links":{"self":[{"href":"https:\/\/wcpp.org.uk\/cy\/wp-json\/wp\/v2\/report\/14550","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wcpp.org.uk\/cy\/wp-json\/wp\/v2\/report"}],"about":[{"href":"https:\/\/wcpp.org.uk\/cy\/wp-json\/wp\/v2\/types\/report"}],"author":[{"embeddable":true,"href":"https:\/\/wcpp.org.uk\/cy\/wp-json\/wp\/v2\/users\/1"}],"version-history":[{"count":0,"href":"https:\/\/wcpp.org.uk\/cy\/wp-json\/wp\/v2\/report\/14550\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wcpp.org.uk\/cy\/wp-json\/wp\/v2\/media\/10335"}],"wp:attachment":[{"href":"https:\/\/wcpp.org.uk\/cy\/wp-json\/wp\/v2\/media?parent=14550"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wcpp.org.uk\/cy\/wp-json\/wp\/v2\/categories?post=14550"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wcpp.org.uk\/cy\/wp-json\/wp\/v2\/tags?post=14550"},{"taxonomy":"research-and-impact","embeddable":true,"href":"https:\/\/wcpp.org.uk\/cy\/wp-json\/wp\/v2\/research-and-impact?post=14550"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}