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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

文章來源(yuan):人民(min)日(ri)報海(hai)外版  發布時間:2021-08-27

江蘇電(dian)網(wang)(wang)最高(gao)(gao)負(fu)荷5次(ci)(ci)破億(yi)千瓦,浙(zhe)江電(dian)網(wang)(wang)最高(gao)(gao)負(fu)荷6次(ci)(ci)創(chuang)歷(li)史(shi)新(xin)高(gao)(gao),湖北(bei)等12個(ge)省(sheng)級(ji)電(dian)網(wang)(wang)負(fu)荷合計30次(ci)(ci)創(chuang)歷(li)史(shi)新(xin)高(gao)(gao)……入夏以來,全國(guo)日(ri)發電(dian)量(liang)和統調用電(dian)負(fu)荷屢創(chuang)新(xin)高(gao)(gao),被視為(wei)經(jing)濟運行“晴雨表(biao)”的社會(hui)用電(dian)量(liang)上漲勁頭十足,折射(she)出中國(guo)經(jing)濟復(fu)蘇向好的趨勢。

電力消費復蘇快

進(jin)入8月,全國日發(fa)電(dian)(dian)量和(he)統調(diao)用電(dian)(dian)負荷(he)快速攀升,創出新高(gao)(gao)。國家(jia)發(fa)改(gai)委數(shu)據顯示(shi),截至17日,全國日發(fa)電(dian)(dian)量最高(gao)(gao)達(da)到246億千(qian)瓦時(shi),比去(qu)年峰值高(gao)(gao)出6.86億千(qian)瓦時(shi);統調(diao)用電(dian)(dian)負荷(he)最高(gao)(gao)達(da)到10.76億千(qian)瓦,比去(qu)年峰值高(gao)(gao)出2400萬千(qian)瓦。

“初(chu)步分(fen)析,全國(guo)日(ri)發(fa)電量和(he)統調用電負荷連創新(xin)高(gao),既(ji)有持(chi)續(xu)高(gao)溫晴(qing)熱天氣導(dao)致空調負荷快(kuai)速增長的影(ying)響,同(tong)時反映了(le)國(guo)民經濟(ji)繼(ji)續(xu)穩(wen)定恢復。”國(guo)家發(fa)改(gai)委(wei)新(xin)聞發(fa)言人孟瑋說。

傳(chuan)統制造(zao)業穩步復(fu)蘇,直(zhi)接體現在(zai)用(yong)量需求上(shang)。南(nan)方電網能源(yuan)發(fa)展研究院的數據顯示,1-7月,南(nan)方五省區(qu)制造(zao)業同(tong)比(bi)增(zeng)(zeng)長(chang)1.0%,較上(shang)半(ban)年(nian)加(jia)快2.3個百分點,增(zeng)(zeng)速實(shi)現由負轉正。其(qi)中(zhong)與“新(xin)基建”密切(qie)相關的高(gao)技術及裝備制造(zao)業用(yong)電強勁(jing)反彈,5、6、7月當月分別(bie)同(tong)比(bi)增(zeng)(zeng)長(chang)6.8%、10.7%、10.8%,連續3個月高(gao)速增(zeng)(zeng)長(chang),引領(ling)工業增(zeng)(zeng)長(chang)。

此外,大部分(fen)消費(fei)(fei)品(pin)(pin)(pin)制(zhi)造業(ye)(ye)(ye)用電(dian)量(liang)增(zeng)(zeng)速由負轉正(zheng)(zheng),體現出國內(nei)消費(fei)(fei)穩(wen)步復(fu)蘇態勢。中國宏(hong)觀經(jing)濟(ji)研(yan)究院能源研(yan)究所(suo)楊晶介紹,二季度,消費(fei)(fei)品(pin)(pin)(pin)制(zhi)造業(ye)(ye)(ye)用電(dian)量(liang)環比(bi)增(zeng)(zeng)長46.1%;同(tong)比(bi)下降1.3%,降幅較一季度收窄18.6個百分(fen)點。其中,6月消費(fei)(fei)品(pin)(pin)(pin)制(zhi)造業(ye)(ye)(ye)用電(dian)量(liang)實現正(zheng)(zheng)增(zeng)(zeng)長,同(tong)比(bi)增(zeng)(zeng)加1.9%;部分(fen)行業(ye)(ye)(ye)用電(dian)量(liang)大幅回(hui)升(sheng),甚至達到兩位數(shu)增(zeng)(zeng)速。例如,主要立足(zu)于國內(nei)市場(chang)的食品(pin)(pin)(pin)制(zhi)造業(ye)(ye)(ye)、飲(yin)料制(zhi)造業(ye)(ye)(ye)、家具制(zhi)造業(ye)(ye)(ye)和煙草制(zhi)造業(ye)(ye)(ye)用電(dian)量(liang)分(fen)別同(tong)比(bi)增(zeng)(zeng)長18.1%、10.0%、10.0%和8.2%。

電力投資增長快

用電(dian)(dian)需求和電(dian)(dian)網負荷(he)連攀(pan)高(gao)峰,電(dian)(dian)力供給是否(fou)“吃(chi)得消”?

從產(chan)(chan)量(liang)(liang)(liang)、產(chan)(chan)能(neng)和設(she)(she)備利用程(cheng)度看,供(gong)電(dian)穩定有(you)保障。看產(chan)(chan)量(liang)(liang)(liang),發電(dian)量(liang)(liang)(liang)持(chi)續增長。7月份,全(quan)(quan)國規模以上(shang)工業發電(dian)量(liang)(liang)(liang)同(tong)比(bi)增長1.9%。其中(zhong),水電(dian)、核(he)電(dian)、風電(dian)發電(dian)同(tong)比(bi)分別增長6.1%、6.7%、23.2%。看產(chan)(chan)能(neng),發電(dian)裝(zhuang)機容量(liang)(liang)(liang)保持(chi)同(tong)比(bi)增長勢(shi)頭(tou)。截(jie)至7月底,全(quan)(quan)國6000千(qian)瓦(wa)(wa)及(ji)以上(shang)電(dian)廠發電(dian)裝(zhuang)機容量(liang)(liang)(liang)達到19.5億千(qian)瓦(wa)(wa),同(tong)比(bi)增長6.7%。看設(she)(she)備利用程(cheng)度,1-7月份,全(quan)(quan)國發電(dian)設(she)(she)備累計(ji)平(ping)均利用小時(shi)2074小時(shi),比(bi)上(shang)年同(tong)期降低111小時(shi)。

入夏以來,面對電(dian)(dian)(dian)力(li)需求走(zou)高,電(dian)(dian)(dian)力(li)供(gong)給側(ce)持續發力(li)。國(guo)(guo)(guo)家電(dian)(dian)(dian)網(wang)數據(ju)顯示,今年夏季(ji),已有華東、西南2個區域電(dian)(dian)(dian)網(wang)和15個省級電(dian)(dian)(dian)網(wang)用電(dian)(dian)(dian)負(fu)荷(he)創歷史新高,加上夏季(ji)暴(bao)雨、臺(tai)風(feng)、雷電(dian)(dian)(dian)等多(duo)發,多(duo)地(di)電(dian)(dian)(dian)網(wang)在(zai)惡劣天(tian)氣(qi)中(zhong)受(shou)損嚴重(zhong)。面對疫情(qing)和惡劣天(tian)氣(qi),國(guo)(guo)(guo)家電(dian)(dian)(dian)網(wang)廣大干部員工經受(shou)住多(duo)重(zhong)考驗,有力(li)保障了(le)用電(dian)(dian)(dian)高峰期間(jian)的生產生活用電(dian)(dian)(dian)。目前(qian),全國(guo)(guo)(guo)各地(di)電(dian)(dian)(dian)網(wang)整體運行平(ping)穩。

電(dian)(dian)(dian)子投(tou)(tou)資快速增(zeng)長(chang),電(dian)(dian)(dian)力工(gong)業(ye)發(fa)展(zhan)后(hou)勁足。國(guo)家能源局(ju)日前發(fa)布的(de)1-7月份(fen)全國(guo)電(dian)(dian)(dian)力工(gong)業(ye)統計數(shu)據(ju)顯示,1-7月,全國(guo)新增(zeng)發(fa)電(dian)(dian)(dian)裝機容量5409萬千瓦,同(tong)比(bi)增(zeng)長(chang)701萬千瓦;電(dian)(dian)(dian)源工(gong)程(cheng)投(tou)(tou)資完(wan)成2139億(yi)元(yuan),同(tong)比(bi)增(zeng)長(chang)51.0%,其中風(feng)電(dian)(dian)(dian)1112億(yi)元(yuan),同(tong)比(bi)增(zeng)長(chang)164.0%;電(dian)(dian)(dian)網工(gong)程(cheng)投(tou)(tou)資完(wan)成2053億(yi)元(yuan),同(tong)比(bi)增(zeng)長(chang)1.6%;新增(zeng)220千伏及(ji)以(yi)上(shang)輸電(dian)(dian)(dian)線路長(chang)度約1.9萬千米,比(bi)上(shang)年同(tong)比(bi)增(zeng)加899千米。

新產業用電增長快

用電量快(kuai)速增長的(de)背后,還反(fan)映出中(zhong)國(guo)經濟(ji)向更高質量發展的(de)態勢。

電(dian)能(neng)替代(dai)(dai)(dai)拉動用電(dian)需求(qiu)增長明顯,經濟發展更“綠”了。數(shu)據顯示(shi),今年(nian)以來,電(dian)能(neng)替代(dai)(dai)(dai)繼續保(bao)持較大規(gui)模增長,通過(guo)加(jia)強港口岸(an)電(dian)、充(chong)電(dian)等設(she)施建設(she)推動以電(dian)代(dai)(dai)(dai)煤、以電(dian)代(dai)(dai)(dai)油,上半年(nian)電(dian)能(neng)替代(dai)(dai)(dai)電(dian)量規(gui)模達(da)(da)1100億(yi)千(qian)瓦時左(zuo)右。據統計,截至6月底,中國各類(lei)充(chong)電(dian)樁保(bao)有(you)量已達(da)(da)132.2萬個(ge),其中公共充(chong)電(dian)樁55.8萬個(ge),數(shu)量位(wei)居全球首位(wei)。

高(gao)技(ji)(ji)術(shu)(shu)產業(ye)(ye)(ye)用(yong)電(dian)(dian)(dian)(dian)需求(qiu)大(da),經(jing)濟(ji)發展(zhan)新動能(neng)凸(tu)顯。二季度,高(gao)技(ji)(ji)術(shu)(shu)及裝備制(zhi)(zhi)造(zao)(zao)業(ye)(ye)(ye)用(yong)電(dian)(dian)(dian)(dian)量(liang)同比增(zeng)長4.6%,超(chao)出工業(ye)(ye)(ye)用(yong)電(dian)(dian)(dian)(dian)量(liang)增(zeng)速約2個百分點。其中,對比4月(yue)(yue)來看,5月(yue)(yue)和(he)6月(yue)(yue)高(gao)技(ji)(ji)術(shu)(shu)行業(ye)(ye)(ye)用(yong)電(dian)(dian)(dian)(dian)量(liang)同比增(zeng)速分別快(kuai)速反彈至5.4%和(he)8.4%。進入7月(yue)(yue)份,汽車制(zhi)(zhi)造(zao)(zao)業(ye)(ye)(ye)用(yong)電(dian)(dian)(dian)(dian)量(liang)同比增(zeng)長20.3%,計算(suan)機(ji)通信和(he)其他電(dian)(dian)(dian)(dian)子設備制(zhi)(zhi)造(zao)(zao)業(ye)(ye)(ye)、通用(yong)設備制(zhi)(zhi)造(zao)(zao)業(ye)(ye)(ye)、電(dian)(dian)(dian)(dian)氣機(ji)械和(he)器材制(zhi)(zhi)造(zao)(zao)業(ye)(ye)(ye)等用(yong)電(dian)(dian)(dian)(dian)量(liang)增(zeng)速也都在兩位數以(yi)上。

新(xin)(xin)業態用(yong)電(dian)量(liang)激(ji)(ji)增(zeng),經濟發(fa)展新(xin)(xin)意十足。楊晶介(jie)紹,上(shang)半年依托大數(shu)據、云計算(suan)、物(wu)聯網等(deng)新(xin)(xin)技術的網絡(luo)信息(xi)服(fu)(fu)務業用(yong)電(dian)量(liang)同(tong)(tong)比增(zeng)長27.7%。其中,互聯網數(shu)據服(fu)(fu)務業用(yong)電(dian)量(liang)同(tong)(tong)比激(ji)(ji)增(zeng)71.6%,反(fan)映出(chu)線上(shang)教育、網絡(luo)會(hui)議(yi)等(deng)新(xin)(xin)方式正在(zai)快速普及。

“高技術裝備制造業用(yong)電量(liang)(liang)較(jiao)快(kuai)回(hui)升、網絡信息服(fu)務業用(yong)電量(liang)(liang)‘快(kuai)跑’等,從一個側面說(shuo)明中國經濟(ji)的(de)韌性和潛力。”中電聯專職副理事長兼(jian)秘(mi)書(shu)長于崇(chong)德說(shuo),用(yong)電量(liang)(liang)增(zeng)速逐(zhu)月回(hui)升中有(you)氣溫升高的(de)因素,但經濟(ji)總體(ti)逐(zhu)步復蘇、新動能保(bao)持強勁支撐是最(zui)主要原因。

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