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入夏以來,全國日發電量和統調用電負荷快速攀升——
用電量創新高 經濟復蘇勢頭好

文(wen)章來源:人民日報海外版  發布(bu)時間:2021-08-27

江蘇(su)電(dian)網(wang)最高(gao)負(fu)(fu)荷5次破億千瓦,浙江電(dian)網(wang)最高(gao)負(fu)(fu)荷6次創(chuang)歷(li)史新(xin)(xin)高(gao),湖(hu)北等12個(ge)省級電(dian)網(wang)負(fu)(fu)荷合計30次創(chuang)歷(li)史新(xin)(xin)高(gao)……入(ru)夏(xia)以(yi)來,全(quan)國日發電(dian)量和(he)統調用電(dian)負(fu)(fu)荷屢創(chuang)新(xin)(xin)高(gao),被視為經濟運行(xing)“晴(qing)雨表”的社會用電(dian)量上漲勁頭十足(zu),折射出中國經濟復(fu)蘇(su)向好的趨勢。

電力消費復蘇快

進(jin)入8月,全國日(ri)發(fa)(fa)電(dian)量和(he)統(tong)調(diao)用電(dian)負(fu)荷快速(su)攀升,創出新高(gao)。國家發(fa)(fa)改委(wei)數據顯示,截至17日(ri),全國日(ri)發(fa)(fa)電(dian)量最高(gao)達到(dao)246億(yi)千(qian)瓦(wa)時,比(bi)去年峰值高(gao)出6.86億(yi)千(qian)瓦(wa)時;統(tong)調(diao)用電(dian)負(fu)荷最高(gao)達到(dao)10.76億(yi)千(qian)瓦(wa),比(bi)去年峰值高(gao)出2400萬千(qian)瓦(wa)。

“初步分析,全國日(ri)發電(dian)量和統調(diao)用電(dian)負荷連創(chuang)新高,既有持續(xu)高溫(wen)晴熱天氣導致空調(diao)負荷快(kuai)速(su)增長的影響,同時反映了國民(min)經濟繼(ji)續(xu)穩(wen)定(ding)恢(hui)復。”國家發改委新聞發言(yan)人孟瑋說。

傳(chuan)統制(zhi)(zhi)造業穩步(bu)復蘇,直接體現在用量需求上。南(nan)方電網(wang)能(neng)源發(fa)展研究(jiu)院的數據(ju)顯示,1-7月(yue),南(nan)方五(wu)省區(qu)制(zhi)(zhi)造業同比增(zeng)(zeng)(zeng)長1.0%,較(jiao)上半年加快2.3個(ge)百分點(dian),增(zeng)(zeng)(zeng)速實現由(you)負轉正。其中與(yu)“新基建”密切相關的高技術及裝備制(zhi)(zhi)造業用電強勁反彈(dan),5、6、7月(yue)當月(yue)分別同比增(zeng)(zeng)(zeng)長6.8%、10.7%、10.8%,連(lian)續3個(ge)月(yue)高速增(zeng)(zeng)(zeng)長,引領工業增(zeng)(zeng)(zeng)長。

此外(wai),大(da)部(bu)分消(xiao)(xiao)(xiao)費(fei)(fei)品制(zhi)(zhi)(zhi)造業(ye)(ye)用(yong)(yong)電量(liang)(liang)增(zeng)速由負轉正,體現出國內(nei)消(xiao)(xiao)(xiao)費(fei)(fei)穩步復蘇態勢。中(zhong)國宏觀經濟研(yan)究院(yuan)能(neng)源研(yan)究所楊晶介紹,二季度,消(xiao)(xiao)(xiao)費(fei)(fei)品制(zhi)(zhi)(zhi)造業(ye)(ye)用(yong)(yong)電量(liang)(liang)環比(bi)增(zeng)長46.1%;同(tong)比(bi)下降1.3%,降幅較一(yi)季度收窄18.6個百分點(dian)。其中(zhong),6月消(xiao)(xiao)(xiao)費(fei)(fei)品制(zhi)(zhi)(zhi)造業(ye)(ye)用(yong)(yong)電量(liang)(liang)實現正增(zeng)長,同(tong)比(bi)增(zeng)加(jia)1.9%;部(bu)分行業(ye)(ye)用(yong)(yong)電量(liang)(liang)大(da)幅回升,甚至達到兩位數增(zeng)速。例如,主要立(li)足于國內(nei)市場的食品制(zhi)(zhi)(zhi)造業(ye)(ye)、飲料制(zhi)(zhi)(zhi)造業(ye)(ye)、家具(ju)制(zhi)(zhi)(zhi)造業(ye)(ye)和煙(yan)草(cao)制(zhi)(zhi)(zhi)造業(ye)(ye)用(yong)(yong)電量(liang)(liang)分別同(tong)比(bi)增(zeng)長18.1%、10.0%、10.0%和8.2%。

電力投資增長快

用電(dian)需求和電(dian)網(wang)負荷連攀高峰,電(dian)力供(gong)給是否“吃得消”?

從(cong)產(chan)量(liang)、產(chan)能(neng)和(he)設備利用(yong)程(cheng)度(du)(du)看(kan)(kan),供電(dian)穩定(ding)有保障。看(kan)(kan)產(chan)量(liang),發電(dian)量(liang)持(chi)續增(zeng)長(chang)。7月(yue)份,全(quan)國(guo)規模以上工(gong)業(ye)發電(dian)量(liang)同(tong)(tong)比(bi)(bi)增(zeng)長(chang)1.9%。其中,水(shui)電(dian)、核電(dian)、風電(dian)發電(dian)同(tong)(tong)比(bi)(bi)分別增(zeng)長(chang)6.1%、6.7%、23.2%。看(kan)(kan)產(chan)能(neng),發電(dian)裝(zhuang)機(ji)容量(liang)保持(chi)同(tong)(tong)比(bi)(bi)增(zeng)長(chang)勢頭。截至7月(yue)底,全(quan)國(guo)6000千瓦及以上電(dian)廠(chang)發電(dian)裝(zhuang)機(ji)容量(liang)達(da)到19.5億(yi)千瓦,同(tong)(tong)比(bi)(bi)增(zeng)長(chang)6.7%。看(kan)(kan)設備利用(yong)程(cheng)度(du)(du),1-7月(yue)份,全(quan)國(guo)發電(dian)設備累計平(ping)均利用(yong)小時2074小時,比(bi)(bi)上年同(tong)(tong)期(qi)降低(di)111小時。

入(ru)夏(xia)(xia)以來,面(mian)對電(dian)(dian)力(li)需求走高(gao),電(dian)(dian)力(li)供(gong)給側持(chi)續(xu)發(fa)力(li)。國家電(dian)(dian)網(wang)數據顯示,今年(nian)夏(xia)(xia)季,已有華東、西南(nan)2個區域電(dian)(dian)網(wang)和(he)15個省級電(dian)(dian)網(wang)用(yong)電(dian)(dian)負荷(he)創歷史新高(gao),加(jia)上夏(xia)(xia)季暴雨、臺風、雷(lei)電(dian)(dian)等多(duo)發(fa),多(duo)地電(dian)(dian)網(wang)在惡劣天(tian)氣中(zhong)受損嚴重。面(mian)對疫情和(he)惡劣天(tian)氣,國家電(dian)(dian)網(wang)廣大干部員工經受住多(duo)重考驗,有力(li)保障了用(yong)電(dian)(dian)高(gao)峰(feng)期間的(de)生(sheng)產(chan)生(sheng)活用(yong)電(dian)(dian)。目前,全國各地電(dian)(dian)網(wang)整體運(yun)行平穩。

電(dian)子投資快速增(zeng)(zeng)長(chang)(chang),電(dian)力(li)工(gong)業發展后勁(jing)足。國(guo)家(jia)能源局日前發布的1-7月(yue)份全(quan)國(guo)電(dian)力(li)工(gong)業統計數據(ju)顯示,1-7月(yue),全(quan)國(guo)新增(zeng)(zeng)發電(dian)裝(zhuang)機容(rong)量5409萬千(qian)(qian)瓦,同比(bi)增(zeng)(zeng)長(chang)(chang)701萬千(qian)(qian)瓦;電(dian)源工(gong)程(cheng)投資完(wan)(wan)成2139億(yi)(yi)元,同比(bi)增(zeng)(zeng)長(chang)(chang)51.0%,其中風電(dian)1112億(yi)(yi)元,同比(bi)增(zeng)(zeng)長(chang)(chang)164.0%;電(dian)網工(gong)程(cheng)投資完(wan)(wan)成2053億(yi)(yi)元,同比(bi)增(zeng)(zeng)長(chang)(chang)1.6%;新增(zeng)(zeng)220千(qian)(qian)伏及以上輸電(dian)線路長(chang)(chang)度約(yue)1.9萬千(qian)(qian)米(mi),比(bi)上年同比(bi)增(zeng)(zeng)加899千(qian)(qian)米(mi)。

新產業用電增長快

用電(dian)量快速(su)增長的背(bei)后,還反映出(chu)中國(guo)經濟向更高質(zhi)量發展的態勢(shi)。

電(dian)(dian)能替代拉(la)動(dong)用電(dian)(dian)需求增(zeng)(zeng)長明顯(xian),經(jing)濟發展(zhan)更“綠”了。數據(ju)顯(xian)示,今(jin)年以(yi)來,電(dian)(dian)能替代繼續保(bao)持較(jiao)大規(gui)模增(zeng)(zeng)長,通(tong)過加(jia)強(qiang)港口(kou)岸(an)電(dian)(dian)、充(chong)電(dian)(dian)等設施建設推動(dong)以(yi)電(dian)(dian)代煤、以(yi)電(dian)(dian)代油,上(shang)半年電(dian)(dian)能替代電(dian)(dian)量規(gui)模達1100億千(qian)瓦時左右。據(ju)統計,截(jie)至6月(yue)底(di),中國各類充(chong)電(dian)(dian)樁保(bao)有量已達132.2萬(wan)個(ge)(ge),其中公共充(chong)電(dian)(dian)樁55.8萬(wan)個(ge)(ge),數量位(wei)居(ju)全球(qiu)首位(wei)。

高(gao)技(ji)術產業(ye)用(yong)(yong)電需求(qiu)大,經濟(ji)發展新(xin)動能凸顯(xian)。二(er)季度,高(gao)技(ji)術及裝備(bei)制(zhi)造(zao)業(ye)用(yong)(yong)電量(liang)(liang)同(tong)比增長(chang)4.6%,超出工業(ye)用(yong)(yong)電量(liang)(liang)增速約2個百分點。其(qi)中,對比4月來看(kan),5月和(he)6月高(gao)技(ji)術行業(ye)用(yong)(yong)電量(liang)(liang)同(tong)比增速分別快速反彈至5.4%和(he)8.4%。進入7月份,汽車(che)制(zhi)造(zao)業(ye)用(yong)(yong)電量(liang)(liang)同(tong)比增長(chang)20.3%,計算機通信和(he)其(qi)他電子設備(bei)制(zhi)造(zao)業(ye)、通用(yong)(yong)設備(bei)制(zhi)造(zao)業(ye)、電氣(qi)機械和(he)器材(cai)制(zhi)造(zao)業(ye)等用(yong)(yong)電量(liang)(liang)增速也(ye)都(dou)在兩位數以上。

新業(ye)態用電(dian)(dian)量(liang)激(ji)增(zeng),經濟發展新意十(shi)足(zu)。楊晶介紹,上(shang)半年(nian)依(yi)托大數據、云計算、物聯(lian)網等(deng)新技術的網絡信息服務業(ye)用電(dian)(dian)量(liang)同比增(zeng)長27.7%。其(qi)中,互聯(lian)網數據服務業(ye)用電(dian)(dian)量(liang)同比激(ji)增(zeng)71.6%,反映(ying)出線上(shang)教育、網絡會議等(deng)新方式正在快(kuai)速(su)普及。

“高(gao)技術裝(zhuang)備制造業用(yong)(yong)電(dian)量(liang)較快回升(sheng)(sheng)(sheng)、網絡信息服(fu)務業用(yong)(yong)電(dian)量(liang)‘快跑’等,從一個側面說(shuo)明中國經濟的韌性和(he)潛力。”中電(dian)聯(lian)專職副理事長兼(jian)秘書長于崇(chong)德說(shuo),用(yong)(yong)電(dian)量(liang)增(zeng)速逐(zhu)月(yue)回升(sheng)(sheng)(sheng)中有氣溫升(sheng)(sheng)(sheng)高(gao)的因素,但經濟總體逐(zhu)步復(fu)蘇、新動能保(bao)持強(qiang)勁支撐是最主(zhu)要(yao)原因。

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