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消納責任權重與新能源發電利用率是什么關系?
發布者:lzx | 來源:國網能源院新能源與統計研究所 | 0評論 | 5720查看 | 2020-06-28 16:10:46    

2019年5月10日,國家發改委、國家能源局印發《關于建立健全可再生能源電力消納保障機制的通知》,提出建立可再生能源電力消納保障機制,促進可再生能源消納。“十四五”期間新能源發展面臨新的環境形勢,能源轉型持續推進、電力市場加快建設、新能源發電逐步實現平價上網,本文針對“十四五”期間可再生能源電力消納保障機制實施進行相關思考。


2019年5月(yue)10日(ri),國家發改委、國家能(neng)(neng)(neng)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)局印發《關于建(jian)立(li)健(jian)全可再(zai)生(sheng)能(neng)(neng)(neng)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)電(dian)力消納(na)(na)(na)保(bao)(bao)障機(ji)制(zhi)的通知》(發改能(neng)(neng)(neng)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)〔2019〕807號(hao)),提出建(jian)立(li)可再(zai)生(sheng)能(neng)(neng)(neng)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)電(dian)力消納(na)(na)(na)保(bao)(bao)障機(ji)制(zhi),促(cu)進(jin)可再(zai)生(sheng)能(neng)(neng)(neng)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)消納(na)(na)(na)。實(shi)施可再(zai)生(sheng)能(neng)(neng)(neng)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)電(dian)力消納(na)(na)(na)保(bao)(bao)障機(ji)制(zhi)是(shi)促(cu)進(jin)可再(zai)生(sheng)能(neng)(neng)(neng)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)消納(na)(na)(na)的重(zhong)要(yao)舉措(cuo)。一方(fang)面,通過消納(na)(na)(na)責(ze)(ze)任權(quan)(quan)重(zhong)指標(biao)約束,激勵提高(gao)本地可再(zai)生(sheng)能(neng)(neng)(neng)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)消納(na)(na)(na)水(shui)平(ping);另一方(fang)面,為滿足消納(na)(na)(na)責(ze)(ze)任權(quan)(quan)重(zhong)要(yao)求(qiu),受端省(sheng)份消納(na)(na)(na)可再(zai)生(sheng)能(neng)(neng)(neng)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)意愿增強,借(jie)助消納(na)(na)(na)保(bao)(bao)障機(ji)制(zhi),打破(po)省(sheng)間(jian)壁壘,促(cu)進(jin)可再(zai)生(sheng)能(neng)(neng)(neng)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)跨省(sheng)區交易,實(shi)現可再(zai)生(sheng)能(neng)(neng)(neng)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)在更大范圍內(nei)優化配置。


隨著“十四(si)五”新能(neng)(neng)源自身發展和外部(bu)形勢變化,需要重(zhong)新思考“十四(si)五”期(qi)間我國(guo)可再(zai)生能(neng)(neng)源電力消納(na)保障機制(zhi)的定位,以及消納(na)責任權(quan)重(zhong)完成與新能(neng)(neng)源發電利(li)用率提升兩者之(zhi)間的關系。


1、關于“十四五”我國可再生能源電力消納保障機制的定位


在持續推進(jin)能(neng)源(yuan)(yuan)(yuan)轉(zhuan)(zhuan)型和新能(neng)源(yuan)(yuan)(yuan)逐步具備參與電力市場的形勢下,“十四五”期(qi)間,我國可再生(sheng)能(neng)源(yuan)(yuan)(yuan)電力消(xiao)納(na)保(bao)障機(ji)制應(ying)當有利于保(bao)障國家能(neng)源(yuan)(yuan)(yuan)轉(zhuan)(zhuan)型目標實現,樹立全體社會(hui)共同承擔可再生(sheng)能(neng)源(yuan)(yuan)(yuan)消(xiao)納(na)責任(ren)的觀(guan)念。


一(yi)是(shi)通過(guo)消納保障(zhang)機制(zhi)實(shi)施,提高(gao)可再生能(neng)源(yuan)(yuan)(yuan)發電(dian)占比(bi),推(tui)動國家(jia)能(neng)源(yuan)(yuan)(yuan)轉型目(mu)標實(shi)現。按照國家(jia)能(neng)源(yuan)(yuan)(yuan)轉型目(mu)標要(yao)(yao)求(qiu),2030年(nian)我國非(fei)化石能(neng)源(yuan)(yuan)(yuan)占一(yi)次能(neng)源(yuan)(yuan)(yuan)比(bi)重達到(dao)20%。“十四(si)五”是(shi)推(tui)動能(neng)源(yuan)(yuan)(yuan)轉型、實(shi)現2030年(nian)能(neng)源(yuan)(yuan)(yuan)轉型目(mu)標的(de)(de)重要(yao)(yao)階段(duan)。通過(guo)實(shi)施可再生能(neng)源(yuan)(yuan)(yuan)消納保障(zhang)機制(zhi),提高(gao)電(dian)力(li)消費(fei)中可再生能(neng)源(yuan)(yuan)(yuan)電(dian)量(liang)比(bi)重,是(shi)推(tui)動國家(jia)能(neng)源(yuan)(yuan)(yuan)轉型目(mu)標實(shi)現的(de)(de)重要(yao)(yao)手段(duan)。


二是通(tong)(tong)過實施(shi)消(xiao)(xiao)納保(bao)障(zhang)機(ji)制,樹立全體社會共(gong)同(tong)承擔可再(zai)(zai)生(sheng)能(neng)(neng)(neng)源(yuan)(yuan)(yuan)消(xiao)(xiao)納責(ze)(ze)任(ren)的(de)(de)觀念,培(pei)育(yu)用(yong)戶側(ce)市場(chang)主(zhu)體綠(lv)色(se)消(xiao)(xiao)費意識。2019年(nian),我國新(xin)增電(dian)(dian)力(li)裝機(ji)1.1億千(qian)(qian)瓦,其中(zhong)59%來(lai)(lai)自(zi)可再(zai)(zai)生(sheng)能(neng)(neng)(neng)源(yuan)(yuan)(yuan);新(xin)增發(fa)電(dian)(dian)量3306億千(qian)(qian)瓦時(shi)(shi),其中(zhong)53%來(lai)(lai)自(zi)可再(zai)(zai)生(sheng)能(neng)(neng)(neng)源(yuan)(yuan)(yuan)。隨著能(neng)(neng)(neng)源(yuan)(yuan)(yuan)轉型(xing)(xing)持續(xu)(xu)推(tui)進(jin),“十四五”期間電(dian)(dian)力(li)結構清潔化將繼續(xu)(xu)加快。推(tui)動能(neng)(neng)(neng)源(yuan)(yuan)(yuan)轉型(xing)(xing)、提高新(xin)能(neng)(neng)(neng)源(yuan)(yuan)(yuan)發(fa)電(dian)(dian)利(li)用(yong)效率是一項系統(tong)性工(gong)程,需要(yao)社會各方共(gong)同(tong)參(can)與努力(li)。可再(zai)(zai)生(sheng)能(neng)(neng)(neng)源(yuan)(yuan)(yuan)消(xiao)(xiao)納保(bao)障(zhang)機(ji)制下,通(tong)(tong)過明確各類市場(chang)主(zhu)體共(gong)同(tong)承擔可再(zai)(zai)生(sheng)能(neng)(neng)(neng)源(yuan)(yuan)(yuan)電(dian)(dian)力(li)消(xiao)(xiao)納責(ze)(ze)任(ren)權重指(zhi)標,有(you)助于樹立全體社會共(gong)同(tong)承擔可再(zai)(zai)生(sheng)能(neng)(neng)(neng)源(yuan)(yuan)(yuan)消(xiao)(xiao)納責(ze)(ze)任(ren)的(de)(de)觀念。同(tong)時(shi)(shi),通(tong)(tong)過消(xiao)(xiao)納責(ze)(ze)任(ren)權重指(zhi)標約束(shu),可以激(ji)勵用(yong)電(dian)(dian)側(ce)主(zhu)體優先購買可再(zai)(zai)生(sheng)能(neng)(neng)(neng)源(yuan)(yuan)(yuan)電(dian)(dian)力(li),培(pei)育(yu)市場(chang)主(zhu)體綠(lv)色(se)消(xiao)(xiao)費意識。


2、關于消納責任權重與新能源發電利用率的關系


可(ke)(ke)再生(sheng)能(neng)(neng)源(yuan)(yuan)消納(na)責(ze)(ze)(ze)任權重(zhong)是對各(ge)省(sheng)電(dian)力消費(fei)設定應當達到(dao)的可(ke)(ke)再生(sheng)能(neng)(neng)源(yuan)(yuan)電(dian)量(liang)比重(zhong),主(zhu)要反映整個(ge)系統中的新(xin)(xin)能(neng)(neng)源(yuan)(yuan)發電(dian)占比和(he)利(li)用的情況。消納(na)責(ze)(ze)(ze)任權重(zhong)的提(ti)(ti)升并不一(yi)定意味著新(xin)(xin)能(neng)(neng)源(yuan)(yuan)發電(dian)利(li)用率的提(ti)(ti)升。為完成可(ke)(ke)再生(sheng)能(neng)(neng)源(yuan)(yuan)消納(na)責(ze)(ze)(ze)任權重(zhong),可(ke)(ke)通(tong)過增加跨省(sheng)區受(shou)入新(xin)(xin)能(neng)(neng)源(yuan)(yuan)電(dian)量(liang),或(huo)者本地(di)新(xin)(xin)建新(xin)(xin)能(neng)(neng)源(yuan)(yuan)發電(dian)項目(mu)兩種方(fang)式。


通(tong)過提(ti)高跨省區(qu)(qu)通(tong)道發電利用(yong)率的方(fang)式,可(ke)以增(zeng)加跨省區(qu)(qu)新(xin)能源受入(ru)電量,在(zai)受端地區(qu)(qu)提(ti)高消納(na)責任權重(zhong)的同(tong)時(shi),送端地區(qu)(qu)也由于跨省區(qu)(qu)通(tong)道發電利用(yong)率提(ti)升增(zeng)加了(le)本地消納(na)新(xin)能源空間,實現新(xin)能源發電利用(yong)率的提(ti)升。


通過本地新(xin)建新(xin)能源(yuan)(yuan)(yuan)能源(yuan)(yuan)(yuan)發(fa)(fa)(fa)電項目,可以增加(jia)本地新(xin)能源(yuan)(yuan)(yuan)能源(yuan)(yuan)(yuan)發(fa)(fa)(fa)電量,更有利于本省消(xiao)納責任權重完成(cheng)。但如(ru)果(guo)在(zai)消(xiao)納條件尚未落實的情況下新(xin)增裝(zhuang)機,將(jiang)有可能引發(fa)(fa)(fa)新(xin)的棄電問(wen)題,導致新(xin)能源(yuan)(yuan)(yuan)發(fa)(fa)(fa)電利用率降低。


“十(shi)四五”期(qi)間(jian),推(tui)動(dong)能(neng)(neng)源(yuan)轉(zhuan)型(xing)戰(zhan)略(lve)實(shi)施,新(xin)(xin)能(neng)(neng)源(yuan)需繼(ji)續保持一(yi)定發展規(gui)(gui)模。在維持一(yi)定的新(xin)(xin)增(zeng)新(xin)(xin)能(neng)(neng)源(yuan)發電(dian)(dian)裝機(ji)(ji)基(ji)(ji)礎(chu)上(shang),需要統籌處理可再生能(neng)(neng)源(yuan)電(dian)(dian)力(li)(li)責任(ren)權重完成和維持高(gao)水平新(xin)(xin)能(neng)(neng)源(yuan)發電(dian)(dian)利用率(lv)之間(jian)的關系。基(ji)(ji)于電(dian)(dian)網消(xiao)納能(neng)(neng)力(li)(li),合理確(que)定新(xin)(xin)增(zeng)新(xin)(xin)能(neng)(neng)源(yuan)發電(dian)(dian)裝機(ji)(ji)布(bu)局,確(que)保不(bu)引起新(xin)(xin)的棄電(dian)(dian)問(wen)題;持續提升跨省區(qu)通道利用率(lv),統籌送受端地區(qu)消(xiao)納責任(ren)權重完成,擴(kuo)大新(xin)(xin)能(neng)(neng)源(yuan)外送規(gui)(gui)模,實(shi)現新(xin)(xin)能(neng)(neng)源(yuan)大范圍內的優化配置。

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