文章(zhang)來源(yuan):國家(jia)電網有限公司 發布時間(jian):2021-08-07
連日(ri)來(lai),受持續(xu)高溫天氣影(ying)響(xiang),電網(wang)負(fu)(fu)荷(he)(he)持續(xu)攀(pan)升。8月(yue)4日(ri)21時(shi)17分(fen),湖南電網(wang)負(fu)(fu)荷(he)(he)達到(dao)3332萬千(qian)瓦,3天內第四(si)次刷新歷史紀(ji)錄,較去年最高用電負(fu)(fu)荷(he)(he)增(zeng)長315萬千(qian)瓦,增(zeng)幅達10.44%。隨著晴熱少雨天氣持續(xu),水(shui)電發電能力(li)逐步下(xia)降,全省電力(li)供應將存在一定(ding)缺(que)口(kou),電力(li)部門(men)呼吁市民合理節(jie)約用電,部分(fen)時(shi)段還將根據電網(wang)供電能力(li)采(cai)取有(you)序(xu)用電措施。
6月底全省用電量追平去年同期
8月2日20時58分(fen),全省(sheng)負(fu)荷(he)3031萬千(qian)(qian)(qian)瓦(wa)(wa);8月3日13時19分(fen),全省(sheng)負(fu)荷(he)3053萬千(qian)(qian)(qian)瓦(wa)(wa);8月3日21時04分(fen),全省(sheng)負(fu)荷(he)3217萬千(qian)(qian)(qian)瓦(wa)(wa)……以8月3日“晚高(gao)峰(feng)”為例,湖南電網負(fu)荷(he)和長沙地區負(fu)荷(he)分(fen)別突破3217萬千(qian)(qian)(qian)瓦(wa)(wa)和805萬千(qian)(qian)(qian)瓦(wa)(wa),同創歷史(shi)新高(gao)。從(cong)負(fu)荷(he)結構來看,最(zui)大負(fu)荷(he)時刻,大工(gong)(gong)業、一般工(gong)(gong)商業、居民負(fu)荷(he)分(fen)別為765萬千(qian)(qian)(qian)瓦(wa)(wa)、695萬千(qian)(qian)(qian)瓦(wa)(wa)和1622萬千(qian)(qian)(qian)瓦(wa)(wa),分(fen)別占比23.8%、21.6%和50.4%。
從(cong)用電量來(lai)看,湖南省全(quan)社會用電量在6月底已追平(ping)去(qu)年同(tong)期水平(ping),7月份(fen)第三產業用電量增速超10%,累(lei)計增速降幅相比(bi)上(shang)半(ban)年收窄3個百分點,乘勢而上(shang)追趕去(qu)年同(tong)期水平(ping)。
相比去年,今年湖(hu)(hu)南省最(zui)高用電(dian)(dian)(dian)負(fu)(fu)荷(he)激增(zeng),原因(yin)何在?除了(le)高溫天氣(qi)影響居民用電(dian)(dian)(dian)外,國網(wang)湖(hu)(hu)南電(dian)(dian)(dian)力(li)相關負(fu)(fu)責人解釋,還跟湖(hu)(hu)南省工(gong)(gong)、商業用電(dian)(dian)(dian)恢復良(liang)好密不可(ke)分。1-7月,湖(hu)(hu)南電(dian)(dian)(dian)網(wang)工(gong)(gong)業售(shou)電(dian)(dian)(dian)量同比增(zeng)長7.0%,高于(yu)一(yi)季度8.4個百分點(dian)。7月份,藍思科(ke)技和山河智(zhi)能日均電(dian)(dian)(dian)量迅速增(zeng)長,分別同比增(zeng)長53%和72%,助推工(gong)(gong)業電(dian)(dian)(dian)量穩步回升。
隨著疫后(hou)消(xiao)費(fei)需求逐步釋放,商(shang)圈活力也在加快恢(hui)復,7月份,五一商(shang)圈日均電(dian)量381萬千(qian)瓦時(shi),基本恢(hui)復去(qu)年(nian)(nian)同期水平;梅溪湖商(shang)圈日均電(dian)量335萬千(qian)瓦時(shi),同比增長3%。與去(qu)年(nian)(nian)不同的是,今年(nian)(nian)長沙夏季(ji)的用電(dian)高(gao)峰點(dian)出(chu)現在晚(wan)高(gao)峰,這說明長沙經濟活力四射(she),夜間商(shang)業(ye)消(xiao)費(fei)用電(dian)需求旺(wang)盛。
預計用電負荷將超出供電能力
盡管電(dian)(dian)力部門已(yi)經做好充足的準備,但目(mu)前,湖南電(dian)(dian)網供(gong)電(dian)(dian)能(neng)力已(yi)達(da)極限,省內大型水、火(huo)電(dian)(dian)機(ji)組(zu)均已(yi)開出,西北、三峽等外(wai)來電(dian)(dian)力滿功(gong)率送湘,最大送電(dian)(dian)功(gong)率達(da)580萬千(qian)瓦,占全網最高(gao)負荷比(bi)重的17.41%。
電力部門預(yu)計,全省用電負荷(he)還將(jiang)保持高位運(yun)行,預(yu)計最(zui)大(da)負荷(he)將(jiang)達3400萬千瓦,將(jiang)超出電網最(zui)大(da)供電能力。
【責任編輯(ji):趙(zhao)藝(yi)涵】
