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南方電網:用電增速持續回升 電力供需形勢良好

文(wen)章(zhang)來(lai)源:中(zhong)國南(nan)方電網有限(xian)責任公(gong)司   發布時間(jian):2021-11-26

近日,在云南昆明召(zhao)開(kai)的2021年(nian)西電東送省(sheng)間協商會(hui)暨南方區域跨區跨省(sheng)“六簽(qian)”工作推進會(hui)上(shang),參會(hui)各方綜合經(jing)濟形勢(shi)、氣候預測、疫(yi)情影響、用電結構及今(jin)年(nian)用電增長等情況,對下(xia)一階段的電力供需形勢(shi)進行了深(shen)入(ru)分析。

會上,南方(fang)電網(wang)公司通(tong)(tong)報(bao)了南方(fang)區域2020年電力供應、電網(wang)運行及(ji)西電東(dong)送(song)(song)情況,分析了2021年電力供需形(xing)勢(shi),介紹了2021年西電東(dong)送(song)(song)優先計(ji)劃安排建議。通(tong)(tong)報(bao)顯(xian)示,今年1—10月,南方(fang)電網(wang)統調最大負荷2億(yi)千瓦(wa),同比增長(chang)7%,6月以來(lai)七創新高;南方(fang)五省區全(quan)社會用(yong)電量10708億(yi)千瓦(wa)時,同比增長(chang)3.8%;累計(ji)完成西電東(dong)送(song)(song)電量1980億(yi)千瓦(wa)時,超年度協(xie)議計(ji)劃281億(yi)千瓦(wa)時。

經濟持續復蘇 增供擴銷見效

隨著(zhu)復(fu)工復(fu)產(chan)的(de)穩步推進,1—10月,南方五省(sheng)區(qu)全社會用電(dian)(dian)量(liang)(liang)同比增(zeng)長3.8%,其中,第(di)一(yi)產(chan)業和(he)(he)居(ju)民生活(huo)用電(dian)(dian)增(zeng)速強勁(jing),分別達到(dao)10.7%和(he)(he)7.9%,成為拉動(dong)整體(ti)用電(dian)(dian)增(zeng)長的(de)主力。第(di)二、三產(chan)業用電(dian)(dian)穩步回升,工業、制造(zao)(zao)業用電(dian)(dian)持續(xu)恢(hui)復(fu),其中,黑色、有色、建材和(he)(he)化工四(si)大高耗(hao)能行業用電(dian)(dian)量(liang)(liang)突破2600億千(qian)瓦時,電(dian)(dian)子(zi)設(she)備制造(zao)(zao)業用電(dian)(dian)增(zeng)速超過15%。值得一(yi)提(ti)的(de)是,第(di)三季度,第(di)二、三產(chan)業用電(dian)(dian)量(liang)(liang)都翻(fan)了兩倍以上,表明經(jing)濟(ji)的(de)加快恢(hui)復(fu),刺激了產(chan)業用電(dian)(dian)的(de)增(zeng)長。

分省區看,1—10月,廣東工業與第三產(chan)業用(yong)電(dian)(dian)持(chi)續恢復(fu),居民用(yong)電(dian)(dian)保持(chi)較高增(zeng)長(chang),廣東制(zhi)造(zao)業自5月轉正后,連(lian)續6個月保持(chi)正增(zeng)長(chang)。3月以來(lai),廣西工業用(yong)電(dian)(dian)增(zeng)長(chang)平穩,云南新產(chan)能開工率持(chi)續走高,有(you)效(xiao)支撐(cheng)了用(yong)電(dian)(dian)量的高速增(zeng)長(chang)。

分(fen)(fen)行業(ye)看,1—10月,南(nan)方五省區工(gong)業(ye)用電(dian)量6566億千瓦(wa)(wa)時,同比增(zeng)長2.8%,其(qi)(qi)(qi)中(zhong)四大高耗能行業(ye)用電(dian)量達(da)到(dao)2606億千瓦(wa)(wa)時,分(fen)(fen)別為4.8%、13.9%、14.3%、0.9%,全部實現正增(zeng)長。前10個月內,制(zhi)造(zao)業(ye)用電(dian)同比增(zeng)長4.3%,增(zeng)速(su)高于工(gong)業(ye)用電(dian)1.5個百分(fen)(fen)點(dian),其(qi)(qi)(qi)中(zhong)計算機(ji)、通信和其(qi)(qi)(qi)他電(dian)子(zi)設備制(zhi)造(zao)業(ye)實現兩位(wei)數(shu)的增(zeng)長,達(da)到(dao)15.2%。

疫(yi)情防控(kong)期間,人們對(dui)電(dian)(dian)子商務(wu)、在(zai)線教育、網(wang)上會議、遠程診療等信(xin)息需求的(de)(de)大幅(fu)增(zeng)加(jia)(jia),數字經濟順勢成為社會經濟復蘇和高(gao)質量發展的(de)(de)“加(jia)(jia)速器”。其(qi)中(zhong),行業用電(dian)(dian)數據的(de)(de)增(zeng)長成了(le)很好的(de)(de)證(zheng)明,在(zai)構成信(xin)息傳(chuan)輸、軟件和信(xin)息技術服(fu)務(wu)業同(tong)比增(zeng)長18.9%的(de)(de)子行業中(zhong),互(hu)聯網(wang)數據服(fu)務(wu)業的(de)(de)用電(dian)(dian)增(zeng)長達到了(le)110.7%。

清潔能源基本全額消納 西電東送電量再創新高

11月17日,貴州電網新能源日發(fa)電量連續兩日創歷(li)史新高,首次突破1億(yi)千瓦時大關,最高達1.06億(yi)千瓦時,同比增(zeng)長(chang)35.7%,占當日發(fa)電量的19%以上。

今年以來,南(nan)方(fang)電(dian)(dian)網公(gong)司堅決(jue)貫徹(che)黨中(zhong)央、國務院決(jue)策部(bu)署,全力推(tui)進(jin)清(qing)潔(jie)能源消(xiao)納(na)和(he)克(ke)服(fu)疫(yi)情影響,年初制定清(qing)潔(jie)能源消(xiao)納(na)24項(xiang)舉措,實現云貴互聯通道工(gong)程提(ti)(ti)前(qian)投運和(he)昆柳龍直(zhi)流工(gong)程提(ti)(ti)前(qian)完成階段性投產,為富余水(shui)(shui)電(dian)(dian)消(xiao)納(na)奠定堅實基礎;進(jin)一(yi)步(bu)深化電(dian)(dian)力體制改革(ge),深入(ru)(ru)推(tui)進(jin)電(dian)(dian)力市場(chang)建(jian)(jian)設,首次組(zu)織開(kai)展南(nan)方(fang)區域跨區跨省年度交(jiao)易(yi),積極推(tui)動(dong)中(zhong)長期(qi)合同(tong)(tong)簽訂,實現區域統一(yi)電(dian)(dian)力交(jiao)易(yi)平臺在貴州(zhou)、廣州(zhou)電(dian)(dian)力交(jiao)易(yi)中(zhong)心上(shang)線(xian)運行(xing);完善(shan)市場(chang)化交(jiao)易(yi)機制,建(jian)(jian)立云電(dian)(dian)送粵曲線(xian)外電(dian)(dian)量價(jia)格浮動(dong)機制,推(tui)動(dong)實施云電(dian)(dian)入(ru)(ru)瓊,協調推(tui)動(dong)烏東德電(dian)(dian)站調試、送電(dian)(dian)與購售電(dian)(dian)合同(tong)(tong)談判(pan)工(gong)作同(tong)(tong)步(bu)進(jin)行(xing),最大限度消(xiao)納(na)西(xi)部(bu)富余水(shui)(shui)電(dian)(dian)。

1—10月(yue),南方電(dian)(dian)(dian)(dian)網公司累計(ji)組織跨省區交易電(dian)(dian)(dian)(dian)量(liang)(liang)(liang)290億(yi)(yi)(yi)千(qian)瓦(wa)時(shi)(shi)(shi)(shi)(shi),其(qi)(qi)中(zhong)云(yun)南富余水(shui)電(dian)(dian)(dian)(dian)增(zeng)送(song)(song)廣東(dong)247億(yi)(yi)(yi)千(qian)瓦(wa)時(shi)(shi)(shi)(shi)(shi)、增(zeng)送(song)(song)海南13.2億(yi)(yi)(yi)千(qian)瓦(wa)時(shi)(shi)(shi)(shi)(shi)、廣西送(song)(song)廣東(dong)扶貧電(dian)(dian)(dian)(dian)量(liang)(liang)(liang)29.9億(yi)(yi)(yi)千(qian)瓦(wa)時(shi)(shi)(shi)(shi)(shi);全(quan)網省內市場化交易電(dian)(dian)(dian)(dian)量(liang)(liang)(liang)4009.6億(yi)(yi)(yi)千(qian)瓦(wa)時(shi)(shi)(shi)(shi)(shi),同比增(zeng)長(chang)(chang)22%;累計(ji)完成(cheng)西電(dian)(dian)(dian)(dian)東(dong)送(song)(song)電(dian)(dian)(dian)(dian)量(liang)(liang)(liang)1980億(yi)(yi)(yi)千(qian)瓦(wa)時(shi)(shi)(shi)(shi)(shi),超年度協議計(ji)劃281億(yi)(yi)(yi)千(qian)瓦(wa)時(shi)(shi)(shi)(shi)(shi)。預計(ji)全(quan)年西電(dian)(dian)(dian)(dian)東(dong)送(song)(song)電(dian)(dian)(dian)(dian)量(liang)(liang)(liang)可達2300億(yi)(yi)(yi)千(qian)瓦(wa)時(shi)(shi)(shi)(shi)(shi),同比增(zeng)長(chang)(chang)1.7%,同時(shi)(shi)(shi)(shi)(shi)在(zai)規模上將(jiang)再(zai)創歷(li)史(shi)新高(gao),屆時(shi)(shi)(shi)(shi)(shi),西電(dian)(dian)(dian)(dian)東(dong)送(song)(song)電(dian)(dian)(dian)(dian)量(liang)(liang)(liang)將(jiang)連續4年突破2000億(yi)(yi)(yi)千(qian)瓦(wa)時(shi)(shi)(shi)(shi)(shi),“十(shi)三五(wu)”期間累計(ji)突破1萬億(yi)(yi)(yi)千(qian)瓦(wa)時(shi)(shi)(shi)(shi)(shi),年均增(zeng)長(chang)(chang)約(yue)4%。清(qing)(qing)潔(jie)(jie)能源消納方面,截至10月(yue)底,全(quan)網統(tong)(tong)調水(shui)能利用(yong)(yong)率高(gao)達99.3%,其(qi)(qi)中(zhong)云(yun)南統(tong)(tong)調水(shui)能利用(yong)(yong)率98.9%,遠(yuan)高(gao)于國家發改委(wei)、國家能源局印發的(de)《清(qing)(qing)潔(jie)(jie)能源消納行動計(ji)劃(2018—2020年)》中(zhong)2020年水(shui)能利用(yong)(yong)率95%這一目標,實現水(shui)電(dian)(dian)(dian)(dian)、風電(dian)(dian)(dian)(dian)、光伏發電(dian)(dian)(dian)(dian)清(qing)(qing)潔(jie)(jie)能源基本全(quan)額(e)消納。

蓄能存煤充足 電力供應可靠

今年以(yi)來,南方(fang)電網(wang)公司密切跟蹤五省(sheng)區(qu)(qu)復工復產、氣溫走勢及來水(shui)變化,滾動優化送受電安(an)排,完(wan)善市場機制,提高交易頻次,積極組(zu)織云南富余(yu)水(shui)電增送,優化流域梯級電站水(shui)庫(ku)調(diao)度(du),全力(li)(li)保障南方(fang)五省(sheng)區(qu)(qu)電力(li)(li)可靠供應。截至(zhi)10月底,全網(wang)水(shui)電蓄能637億千瓦時,同比增加170億千瓦時,各主要水(shui)庫(ku)均高位(wei)運(yun)行。電煤(mei)供應總(zong)體充足,電煤(mei)方(fang)面,全網(wang)存(cun)煤(mei)3000萬噸,可用67.5天。

除蓄能存煤(mei)充足外,新增(zeng)(zeng)裝機的(de)穩步(bu)增(zeng)(zeng)長也為電力可靠(kao)供應(ying)提供了保障。1—10月,全網(wang)統(tong)調裝機新增(zeng)(zeng)2216萬千瓦,截至10月底,全網(wang)統(tong)調裝機達3.39億(yi)千瓦。

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