近期,關于云南電解鋁再度減產(chan)的(de)動(dong)向(xiang)成(cheng)為(wei)市場(chang)關注(zhu)的(de)焦點。電(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)鋁(lv)是(shi)工業生產(chan)中的(de)耗電(dian)(dian)(dian)大(da)(da)戶,生產(chan)1噸電(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)鋁(lv)大(da)(da)約(yue)需要(yao)耗電(dian)(dian)(dian)13500千瓦時。2018—2019年,云(yun)(yun)南(nan)地區憑借水電(dian)(dian)(dian)優勢,吸引了大(da)(da)量(liang)電(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)鋁(lv)產(chan)能(neng)(neng)(neng)轉入。2022年,云(yun)(yun)南(nan)電(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)鋁(lv)產(chan)量(liang)約(yue)433.81萬(wan)(wan)噸,占全省用電(dian)(dian)(dian)量(liang)近(jin)30%。無論(lun)是(shi)單耗還是(shi)總量(liang)規(gui)模,電(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)鋁(lv)都成(cheng)為(wei)壓減產(chan)能(neng)(neng)(neng)的(de)首(shou)選。截(jie)至2022年12月,我(wo)國電(dian)(dian)(dian)解(jie)(jie)(jie)(jie)(jie)鋁(lv)建成(cheng)產(chan)能(neng)(neng)(neng)4445.1萬(wan)(wan)噸。其中,云(yun)(yun)南(nan)地區建成(cheng)產(chan)能(neng)(neng)(neng)532萬(wan)(wan)噸,占比約(yue)12%,再度減產(chan)后,省內運行產(chan)能(neng)(neng)(neng)或降到約(yue)340萬(wan)(wan)噸。
數(shu)據顯示,2022年云南(nan)省(sheng)(sheng)累計發(fa)(fa)電(dian)(dian)量(liang)4009.15億(yi)千(qian)(qian)瓦(wa)(wa)時(shi),同比(bi)增(zeng)加6.5%,全省(sheng)(sheng)規模以上發(fa)(fa)電(dian)(dian)企(qi)業發(fa)(fa)電(dian)(dian)量(liang)3747.94億(yi)千(qian)(qian)瓦(wa)(wa)時(shi),同比(bi)增(zeng)加8.8%。其中,水(shui)電(dian)(dian)3038.82億(yi)千(qian)(qian)瓦(wa)(wa)時(shi),火(huo)電(dian)(dian)459.14億(yi)千(qian)(qian)瓦(wa)(wa)時(shi),風電(dian)(dian)212.54億(yi)千(qian)(qian)瓦(wa)(wa)時(shi),太陽能(neng)發(fa)(fa)電(dian)(dian)37.45億(yi)千(qian)(qian)瓦(wa)(wa)時(shi)。由(you)于(yu)西南(nan)地區水(shui)資源較為(wei)豐富,加之地勢優越,水(shui)力發(fa)(fa)電(dian)(dian)量(liang)在全省(sheng)(sheng)電(dian)(dian)力結構中占比(bi)超80%。水(shui)力發(fa)(fa)電(dian)(dian)具有明顯的季節性特征,通常6—10月為(wei)豐水(shui)期,11月至次年5月為(wei)枯水(shui)期。
受上游降雪量減少影響(xiang),雪水(shui)融(rong)化量銳減,來水(shui)量下(xia)滑使云(yun)南(nan)(nan)(nan)(nan)地(di)區(qu)枯水(shui)期(qi)(qi)水(shui)庫(ku)蓄水(shui)量明(ming)顯(xian)(xian)低于(yu)(yu)歷(li)年同(tong)(tong)期(qi)(qi)。截至2月13日,云(yun)南(nan)(nan)(nan)(nan)省有(you)90%的區(qu)域(113個站(zhan))出現氣(qi)(qi)象(xiang)干旱,大(da)部(bu)(bu)(bu)地(di)區(qu)以(yi)中(zhong)等及以(yi)上氣(qi)(qi)象(xiang)干旱為主(zhu)。其(qi)中(zhong),昆明(ming)大(da)部(bu)(bu)(bu)、德宏大(da)部(bu)(bu)(bu)、玉溪東部(bu)(bu)(bu)、曲(qu)靖南(nan)(nan)(nan)(nan)部(bu)(bu)(bu)、楚雄南(nan)(nan)(nan)(nan)部(bu)(bu)(bu)、紅河北(bei)部(bu)(bu)(bu)、普洱北(bei)部(bu)(bu)(bu)、臨滄(cang)北(bei)部(bu)(bu)(bu)等地(di)有(you)重度及以(yi)上氣(qi)(qi)象(xiang)干旱,局部(bu)(bu)(bu)有(you)特(te)旱。筆者(zhe)跟蹤發現,云(yun)南(nan)(nan)(nan)(nan)地(di)區(qu)主(zhu)要水(shui)電站(zhan)水(shui)位(wei)明(ming)顯(xian)(xian)低于(yu)(yu)去年同(tong)(tong)期(qi)(qi),2月26日,溪洛渡水(shui)位(wei)557米,較去年同(tong)(tong)期(qi)(qi)低37米。

圖(tu)為云(yun)南主要(yao)金屬電解鋁產量(單位(wei):萬噸)
與此同時(shi),云(yun)(yun)南是(shi)西(xi)電(dian)(dian)東送(song)的(de)主要(yao)(yao)輸(shu)出(chu)(chu)省(sheng)份(fen)。云(yun)(yun)南電(dian)(dian)力(li)(li)輸(shu)出(chu)(chu)省(sheng)份(fen)主要(yao)(yao)包括廣(guang)(guang)東、廣(guang)(guang)西(xi)、海(hai)(hai)南。其(qi)中,廣(guang)(guang)東是(shi)其(qi)最主要(yao)(yao)的(de)輸(shu)出(chu)(chu)省(sheng)份(fen)。2021年,云(yun)(yun)南累計輸(shu)出(chu)(chu)電(dian)(dian)力(li)(li)1473億(yi)(yi)(yi)(yi)千(qian)瓦時(shi)。其(qi)中,輸(shu)入廣(guang)(guang)東、廣(guang)(guang)西(xi)、海(hai)(hai)南分(fen)別(bie)(bie)為1244.23億(yi)(yi)(yi)(yi)千(qian)瓦時(shi)、212.33億(yi)(yi)(yi)(yi)千(qian)瓦時(shi)、16.51億(yi)(yi)(yi)(yi)千(qian)瓦時(shi),占(zhan)比分(fen)別(bie)(bie)達(da)到84.5%、14.4%、1.1%。廣(guang)(guang)東是(shi)云(yun)(yun)南最主要(yao)(yao)的(de)電(dian)(dian)力(li)(li)輸(shu)出(chu)(chu)省(sheng)份(fen)。隨著(zhu)廣(guang)(guang)東天氣逐(zhu)步轉(zhuan)暖,加(jia)之春節后(hou)下(xia)游生產進入旺季,3—8月廣(guang)(guang)東電(dian)(dian)力(li)(li)缺口明顯放大,加(jia)劇(ju)了云(yun)(yun)南電(dian)(dian)力(li)(li)供應壓力(li)(li)。筆者預(yu)計,6月前云(yun)(yun)南省(sheng)內電(dian)(dian)力(li)(li)緊張問題(ti)難以緩解。
展望后市(shi),元(yuan)(yuan)宵節后下游陸續復工,開工率上(shang)升,鋁(lv)(lv)棒出庫速度(du)(du)加快,鋁(lv)(lv)錠累庫速度(du)(du)如預(yu)期放緩。此外,云(yun)南地區受(shou)枯(ku)水(shui)季來水(shui)量下滑(hua)影(ying)響(xiang),電解鋁(lv)(lv)壓(ya)負(fu)荷減產落(luo)地影(ying)響(xiang)85萬噸(dun)產能,高于市(shi)場預(yu)期,但(dan)是在需求(qiu)轉好尚未被證實和庫存高位(wei)的背(bei)景下,后市(shi)影(ying)響(xiang)偏(pian)弱。成本上(shang),煤炭價格(ge)企穩,部分氧化(hua)鋁(lv)(lv)企業出現利潤(run)倒掛(gua)支(zhi)撐(cheng)鋁(lv)(lv)價,預(yu)計鋁(lv)(lv)價在17000元(yuan)(yuan)/噸(dun)附(fu)近(jin)成本支(zhi)撐(cheng)明(ming)顯,短期或在17000—19500元(yuan)(yuan)/噸(dun)維持振(zhen)蕩。


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