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西北地區新能源參與電力市場化交易的實踐和思考
發布者:admin | 來源:中國電力企業管理 劉瑞豐 | 0評論 | 4898查看 | 2021-07-29 14:10:12    

隨著碳(tan)(tan)達峰(feng)、碳(tan)(tan)中(zhong)和目(mu)(mu)標(biao)以(yi)及構建以(yi)新(xin)能源(yuan)(yuan)(yuan)(yuan)為主(zhu)體(ti)的(de)新(xin)型電力(li)系(xi)統(tong)(tong)的(de)任務提出,我(wo)國能源(yuan)(yuan)(yuan)(yuan)清(qing)潔低(di)碳(tan)(tan)轉(zhuan)型將進一(yi)步(bu)加(jia)快,新(xin)能源(yuan)(yuan)(yuan)(yuan)將迎來高速發(fa)展階段,逐步(bu)替代(dai)煤(mei)電成為主(zhu)體(ti)電源(yuan)(yuan)(yuan)(yuan)。習(xi)近平(ping)總書(shu)記指出,實現碳(tan)(tan)達峰(feng)、碳(tan)(tan)中(zhong)和是一(yi)場(chang)廣泛而(er)深(shen)刻(ke)的(de)經濟(ji)社(she)會系(xi)統(tong)(tong)性變革(ge)。構建以(yi)新(xin)能源(yuan)(yuan)(yuan)(yuan)為主(zhu)體(ti)的(de)新(xin)型電力(li)系(xi)統(tong)(tong),將深(shen)刻(ke)改變現有(you)電力(li)系(xi)統(tong)(tong)的(de)基本形態(tai)和運行特征,也對(dui)電力(li)市(shi)場(chang)機(ji)制提出了(le)更高要(yao)求(qiu)。持(chi)續(xu)完善新(xin)能源(yuan)(yuan)(yuan)(yuan)參與電力(li)市(shi)場(chang)政策和機(ji)制,發(fa)揮(hui)市(shi)場(chang)在(zai)資源(yuan)(yuan)(yuan)(yuan)配置中(zhong)的(de)決定性作(zuo)用(yong),更好發(fa)揮(hui)政府宏(hong)觀調控作(zuo)用(yong),引導新(xin)能源(yuan)(yuan)(yuan)(yuan)產業健康發(fa)展,提高新(xin)能源(yuan)(yuan)(yuan)(yuan)利(li)用(yong)率,推動能源(yuan)(yuan)(yuan)(yuan)供給(gei)向清(qing)潔低(di)碳(tan)(tan)轉(zhuan)型,將有(you)利(li)于加(jia)快實現“雙(shuang)碳(tan)(tan)”目(mu)(mu)標(biao)。


新能源參與市場化交易現狀


目前,我(wo)國(guo)新(xin)(xin)能(neng)(neng)源(yuan)以(yi)(yi)“保(bao)(bao)(bao)(bao)量(liang)保(bao)(bao)(bao)(bao)價(jia)”的(de)保(bao)(bao)(bao)(bao)障(zhang)性收購(gou)為主(zhu),大部分省(sheng)份以(yi)(yi)“全額(e)收購(gou)”的(de)方(fang)式(shi)消(xiao)納(na)新(xin)(xin)能(neng)(neng)源(yuan)電(dian)(dian)(dian)量(liang),新(xin)(xin)能(neng)(neng)源(yuan)上網電(dian)(dian)(dian)量(liang)執行批復電(dian)(dian)(dian)價(jia),不參(can)與市(shi)(shi)場(chang)化(hua)(hua)交易(yi)。西北(bei)、東北(bei)等多數省(sheng)份以(yi)(yi)“保(bao)(bao)(bao)(bao)障(zhang)性消(xiao)納(na)+市(shi)(shi)場(chang)化(hua)(hua)交易(yi)”結合(he)方(fang)式(shi)消(xiao)納(na)新(xin)(xin)能(neng)(neng)源(yuan),“保(bao)(bao)(bao)(bao)量(liang)競價(jia)”電(dian)(dian)(dian)量(liang)參(can)與電(dian)(dian)(dian)力(li)市(shi)(shi)場(chang),由新(xin)(xin)能(neng)(neng)源(yuan)企業(ye)自主(zhu)參(can)與各類市(shi)(shi)場(chang)化(hua)(hua)交易(yi),由市(shi)(shi)場(chang)形(xing)成價(jia)格(ge)(ge)。其中(zhong),新(xin)(xin)能(neng)(neng)源(yuan)發電(dian)(dian)(dian)量(liang)仍(reng)以(yi)(yi)優先發電(dian)(dian)(dian)的(de)形(xing)式(shi)保(bao)(bao)(bao)(bao)留在電(dian)(dian)(dian)量(liang)計劃中(zhong),保(bao)(bao)(bao)(bao)障(zhang)小時(shi)數內(nei)對(dui)應的(de)電(dian)(dian)(dian)量(liang)執行資源(yuan)區的(de)標桿上網電(dian)(dian)(dian)價(jia)(以(yi)(yi)火(huo)電(dian)(dian)(dian)基準電(dian)(dian)(dian)價(jia)與電(dian)(dian)(dian)網企業(ye)結算),保(bao)(bao)(bao)(bao)障(zhang)小時(shi)數外(wai)的(de)部分由市(shi)(shi)場(chang)化(hua)(hua)方(fang)式(shi)形(xing)成價(jia)格(ge)(ge)。


2016年以來(lai),為緩解局部地(di)區新能(neng)源消納矛(mao)盾,西北地(di)區結合新能(neng)源運行(xing)特征,持(chi)續深化新能(neng)源參與省(sheng)間電(dian)力交(jiao)(jiao)易(yi)(yi)(yi)機制建設。從(cong)市場范圍(wei)來(lai)看,跨(kua)區跨(kua)省(sheng)和(he)省(sheng)內等市場都進行(xing)了一系列(lie)新能(neng)源市場化交(jiao)(jiao)易(yi)(yi)(yi)探索,取得積極成效。從(cong)市場形態來(lai)看包括中(zhong)長(chang)期市場、現貨市場、輔助服(fu)務市場等,從(cong)交(jiao)(jiao)易(yi)(yi)(yi)品種來(lai)看包括電(dian)力直接交(jiao)(jiao)易(yi)(yi)(yi)、自(zi)備電(dian)廠替代交(jiao)(jiao)易(yi)(yi)(yi)、發電(dian)權交(jiao)(jiao)易(yi)(yi)(yi)、合同轉(zhuan)讓交(jiao)(jiao)易(yi)(yi)(yi)、綠電(dian)交(jiao)(jiao)易(yi)(yi)(yi)、“源網荷儲”互動交(jiao)(jiao)易(yi)(yi)(yi)等。


跨區(qu)(qu)(qu)跨省(sheng)市(shi)場(chang)(chang)方(fang)面,新能(neng)源(yuan)(yuan)主要參(can)(can)與了(le)(le)新能(neng)源(yuan)(yuan)與火電(dian)打捆(kun)交(jiao)(jiao)(jiao)(jiao)(jiao)易等中長期(qi)交(jiao)(jiao)(jiao)(jiao)(jiao)易,跨省(sheng)區(qu)(qu)(qu)可再(zai)生能(neng)源(yuan)(yuan)現貨交(jiao)(jiao)(jiao)(jiao)(jiao)易,以及西(xi)北區(qu)(qu)(qu)域跨省(sheng)調(diao)峰(feng)輔助服務(wu)市(shi)場(chang)(chang);省(sheng)內(nei)市(shi)場(chang)(chang)方(fang)面,新能(neng)源(yuan)(yuan)主要通過中長期(qi)交(jiao)(jiao)(jiao)(jiao)(jiao)易參(can)(can)與市(shi)場(chang)(chang),主要形式包括(kuo)與大(da)用(yong)戶(hu)直(zhi)(zhi)接(jie)交(jiao)(jiao)(jiao)(jiao)(jiao)易、發電(dian)權交(jiao)(jiao)(jiao)(jiao)(jiao)易,五省(sheng)(區(qu)(qu)(qu))都運營了(le)(le)省(sheng)內(nei)調(diao)峰(feng)輔助服務(wu)市(shi)場(chang)(chang)。甘肅開展(zhan)了(le)(le)新能(neng)源(yuan)(yuan)與常規電(dian)源(yuan)(yuan)打捆(kun)外送和新能(neng)源(yuan)(yuan)參(can)(can)與省(sheng)內(nei)現貨市(shi)場(chang)(chang)的探(tan)索,青海(hai)開展(zhan)了(le)(le)新能(neng)源(yuan)(yuan)與電(dian)力用(yong)戶(hu)直(zhi)(zhi)接(jie)交(jiao)(jiao)(jiao)(jiao)(jiao)易,寧夏探(tan)索了(le)(le)“源(yuan)(yuan)網荷儲”互(hu)動交(jiao)(jiao)(jiao)(jiao)(jiao)易等交(jiao)(jiao)(jiao)(jiao)(jiao)易模式,新疆大(da)規模開展(zhan)了(le)(le)新能(neng)源(yuan)(yuan)與自備電(dian)廠(chang)清潔替代交(jiao)(jiao)(jiao)(jiao)(jiao)易,陜西(xi)于2021年開始(shi)新能(neng)源(yuan)(yuan)逐步參(can)(can)與市(shi)場(chang)(chang)化交(jiao)(jiao)(jiao)(jiao)(jiao)易,并開展(zhan)了(le)(le)新能(neng)源(yuan)(yuan)與電(dian)動汽車智(zhi)慧車聯網、“十四運”場(chang)(chang)館(guan)的綠電(dian)直(zhi)(zhi)接(jie)交(jiao)(jiao)(jiao)(jiao)(jiao)易。


當前新能源市場化交易存在的問題


政(zheng)策與市(shi)(shi)場的(de)(de)責(ze)權邊(bian)界(jie)不清晰問(wen)題。在新(xin)能(neng)(neng)源(yuan)目前的(de)(de)并網運行(xing)技術條(tiao)件下,新(xin)能(neng)(neng)源(yuan)企業(ye)還(huan)不是(shi)真正(zheng)意(yi)義上(shang)的(de)(de)市(shi)(shi)場主體(ti)(ti)(ti),還(huan)不是(shi)電(dian)(dian)(dian)(dian)力平衡主體(ti)(ti)(ti)、電(dian)(dian)(dian)(dian)量(liang)(liang)平衡主體(ti)(ti)(ti),由此帶來了(le)保障(zhang)性(xing)(xing)消(xiao)納政(zheng)策與市(shi)(shi)場機制之間的(de)(de)有效銜接(jie)問(wen)題。保障(zhang)性(xing)(xing)收購電(dian)(dian)(dian)(dian)量(liang)(liang)與市(shi)(shi)場交易電(dian)(dian)(dian)(dian)量(liang)(liang)邊(bian)界(jie)不清晰,新(xin)能(neng)(neng)源(yuan)在市(shi)(shi)場中的(de)(de)責(ze)任和(he)權利沒有清楚(chu)界(jie)定,公(gong)平參與市(shi)(shi)場具有一定難度。比如(ru),新(xin)能(neng)(neng)源(yuan)保障(zhang)性(xing)(xing)電(dian)(dian)(dian)(dian)量(liang)(liang)以(yi)全年利用(yong)小時數測算確定,到月、到日的(de)(de)保障(zhang)性(xing)(xing)電(dian)(dian)(dian)(dian)量(liang)(liang)計劃安排規則如(ru)何確定等是(shi)新(xin)能(neng)(neng)源(yuan)參與市(shi)(shi)場化的(de)(de)重要邊(bian)界(jie),對新(xin)能(neng)(neng)源(yuan)企業(ye)有一定影響。


新(xin)(xin)能(neng)源(yuan)(yuan)與(yu)常(chang)規(gui)(gui)電(dian)(dian)(dian)源(yuan)(yuan)價(jia)(jia)值(zhi)(zhi)(zhi)與(yu)價(jia)(jia)格問題。新(xin)(xin)能(neng)源(yuan)(yuan)與(yu)常(chang)規(gui)(gui)煤電(dian)(dian)(dian)、燃(ran)氣電(dian)(dian)(dian)廠(chang)之(zhi)間在發電(dian)(dian)(dian)成(cheng)本(ben)、出力特性上有很大(da)差異。部(bu)分地(di)區省(sheng)內直(zhi)接(jie)交(jiao)易新(xin)(xin)能(neng)源(yuan)(yuan)向重(zhong)點用戶傾斜讓利,個(ge)別跨(kua)區跨(kua)省(sheng)外送中購電(dian)(dian)(dian)方片面強(qiang)調(diao)(diao)新(xin)(xin)能(neng)源(yuan)(yuan)高(gao)比例、交(jiao)易價(jia)(jia)格低水平(ping)、電(dian)(dian)(dian)力曲(qu)線(xian)高(gao)質量,既與(yu)市(shi)場公平(ping)性原則(ze)相違背,也(ye)不能(neng)充分體現(xian)新(xin)(xin)能(neng)源(yuan)(yuan)的(de)(de)(de)綠(lv)色價(jia)(jia)值(zhi)(zhi)(zhi)、環境價(jia)(jia)值(zhi)(zhi)(zhi)。新(xin)(xin)型電(dian)(dian)(dian)力系統中,新(xin)(xin)能(neng)源(yuan)(yuan)占比大(da)幅提高(gao),電(dian)(dian)(dian)力市(shi)場低邊際成(cheng)本(ben)和高(gao)系統成(cheng)本(ben)的(de)(de)(de)現(xian)象并存,靈活性調(diao)(diao)節(jie)資(zi)源(yuan)(yuan)變得(de)稀缺,而且價(jia)(jia)值(zhi)(zhi)(zhi)凸顯。市(shi)場機制(zhi)的(de)(de)(de)核心是(shi)市(shi)場主體之(zhi)間進行利益協調(diao)(diao)的(de)(de)(de)制(zhi)度安排,新(xin)(xin)能(neng)源(yuan)(yuan)與(yu)常(chang)規(gui)(gui)電(dian)(dian)(dian)源(yuan)(yuan)價(jia)(jia)值(zhi)(zhi)(zhi)發生變化后,不同(tong)價(jia)(jia)值(zhi)(zhi)(zhi)、不同(tong)價(jia)(jia)格的(de)(de)(de)電(dian)(dian)(dian)源(yuan)(yuan)類型同(tong)時(shi)參與(yu)電(dian)(dian)(dian)力市(shi)場,增(zeng)加了市(shi)場設(she)計的(de)(de)(de)難(nan)度。


新(xin)(xin)(xin)(xin)能(neng)(neng)源(yuan)(yuan)參(can)與(yu)市(shi)(shi)場(chang)(chang)化(hua)交易(yi)程(cheng)度(du)(du)不同問題。從(cong)新(xin)(xin)(xin)(xin)能(neng)(neng)源(yuan)(yuan)市(shi)(shi)場(chang)(chang)化(hua)交易(yi)電(dian)(dian)(dian)量比(bi)例來看,西(xi)北地(di)區各省(sheng)進(jin)度(du)(du)差異較(jiao)(jiao)大。部(bu)分(fen)省(sheng)份下達(da)的(de)(de)保(bao)障性利(li)用小時(shi)數(shu)較(jiao)(jiao)高,新(xin)(xin)(xin)(xin)能(neng)(neng)源(yuan)(yuan)僅有少部(bu)分(fen)電(dian)(dian)(dian)量參(can)與(yu)市(shi)(shi)場(chang)(chang);而有的(de)(de)省(sheng)份新(xin)(xin)(xin)(xin)能(neng)(neng)源(yuan)(yuan)已(yi)全部(bu)參(can)與(yu)市(shi)(shi)場(chang)(chang),新(xin)(xin)(xin)(xin)能(neng)(neng)源(yuan)(yuan)參(can)與(yu)市(shi)(shi)場(chang)(chang)化(hua)交易(yi)的(de)(de)省(sheng)份新(xin)(xin)(xin)(xin)能(neng)(neng)源(yuan)(yuan)市(shi)(shi)場(chang)(chang)化(hua)交易(yi)電(dian)(dian)(dian)量占(zhan)上網電(dian)(dian)(dian)量比(bi)例在15%~65%不等。陜西(xi)2021年放(fang)開新(xin)(xin)(xin)(xin)能(neng)(neng)源(yuan)(yuan)15%的(de)(de)電(dian)(dian)(dian)量進(jin)入市(shi)(shi)場(chang)(chang),新(xin)(xin)(xin)(xin)疆、甘肅、蒙東、寧夏新(xin)(xin)(xin)(xin)能(neng)(neng)源(yuan)(yuan)市(shi)(shi)場(chang)(chang)化(hua)電(dian)(dian)(dian)量占(zhan)比(bi)約2/3,新(xin)(xin)(xin)(xin)能(neng)(neng)源(yuan)(yuan)市(shi)(shi)場(chang)(chang)化(hua)程(cheng)度(du)(du)較(jiao)(jiao)高。青海新(xin)(xin)(xin)(xin)能(neng)(neng)源(yuan)(yuan)裝機占(zhan)比(bi)60%,水電(dian)(dian)(dian)裝機占(zhan)比(bi)30%,新(xin)(xin)(xin)(xin)能(neng)(neng)源(yuan)(yuan)已(yi)成為主(zhu)力電(dian)(dian)(dian)源(yuan)(yuan),新(xin)(xin)(xin)(xin)能(neng)(neng)源(yuan)(yuan)不再安排優(you)先發電(dian)(dian)(dian)計劃電(dian)(dian)(dian)量,全部(bu)電(dian)(dian)(dian)量合同通過參(can)與(yu)市(shi)(shi)場(chang)(chang)獲得(de)。


新(xin)能(neng)(neng)(neng)源參(can)與(yu)(yu)市(shi)場的售電(dian)(dian)側差別對(dui)待問(wen)題。西北地(di)區(qu)新(xin)能(neng)(neng)(neng)源讓利幅度通(tong)常大于火電(dian)(dian)企業,因而(er)新(xin)能(neng)(neng)(neng)源成為省(區(qu))釋放改革紅利的重要抓手,在不(bu)(bu)(bu)同(tong)省份,新(xin)能(neng)(neng)(neng)源企業參(can)與(yu)(yu)市(shi)場化交(jiao)(jiao)(jiao)易在售電(dian)(dian)側存在較大差異。有的地(di)區(qu)僅允(yun)許政府重點扶持(chi)的產(chan)業和電(dian)(dian)力(li)(li)用(yong)戶(hu)(hu)與(yu)(yu)新(xin)能(neng)(neng)(neng)源開(kai)展(zhan)交(jiao)(jiao)(jiao)易;有的地(di)區(qu)開(kai)展(zhan)“綠(lv)電(dian)(dian)”交(jiao)(jiao)(jiao)易,僅允(yun)許新(xin)能(neng)(neng)(neng)源與(yu)(yu)名單(dan)內電(dian)(dian)力(li)(li)用(yong)戶(hu)(hu)開(kai)展(zhan)交(jiao)(jiao)(jiao)易;有的地(di)區(qu)對(dui)電(dian)(dian)力(li)(li)用(yong)戶(hu)(hu)所屬行(xing)業和類(lei)別加以區(qu)分,設(she)置不(bu)(bu)(bu)同(tong)階梯(ti)比(bi)例規定不(bu)(bu)(bu)同(tong)用(yong)戶(hu)(hu)與(yu)(yu)新(xin)能(neng)(neng)(neng)源開(kai)展(zhan)交(jiao)(jiao)(jiao)易的比(bi)例,不(bu)(bu)(bu)同(tong)電(dian)(dian)力(li)(li)用(yong)戶(hu)(hu)比(bi)例內電(dian)(dian)量(liang)僅能(neng)(neng)(neng)與(yu)(yu)新(xin)能(neng)(neng)(neng)源開(kai)展(zhan)交(jiao)(jiao)(jiao)易。


關(guan)于(yu)(yu)新(xin)(xin)能源(yuan)參(can)與電(dian)(dian)力(li)(li)(li)曲(qu)(qu)(qu)線交(jiao)(jiao)(jiao)易(yi)問題。2020年(nian)國家發改(gai)委對(dui)中長(chang)期(qi)交(jiao)(jiao)(jiao)易(yi)合(he)同提出“六簽(qian)”工(gong)作(zuo)要求,開展“帶曲(qu)(qu)(qu)線簽(qian)”,推動中長(chang)期(qi)交(jiao)(jiao)(jiao)易(yi)逐步向電(dian)(dian)力(li)(li)(li)交(jiao)(jiao)(jiao)易(yi)轉變。但從西北各(ge)省(sheng)新(xin)(xin)能源(yuan)帶曲(qu)(qu)(qu)線交(jiao)(jiao)(jiao)易(yi)情況(kuang)來看,存在較多難(nan)(nan)度(du)。首(shou)先是(shi)電(dian)(dian)力(li)(li)(li)用(yong)戶(hu)對(dui)帶曲(qu)(qu)(qu)線交(jiao)(jiao)(jiao)易(yi)的(de)接受(shou)程度(du)尚不(bu)成(cheng)熟,用(yong)能管理多數還停(ting)留在峰谷分時電(dian)(dian)價(jia)、電(dian)(dian)能量(liang)交(jiao)(jiao)(jiao)易(yi)的(de)層面。對(dui)于(yu)(yu)西北、東北等地區來說(shuo),新(xin)(xin)能源(yuan)與用(yong)戶(hu)電(dian)(dian)力(li)(li)(li)直接交(jiao)(jiao)(jiao)易(yi)還存在曲(qu)(qu)(qu)線確定和物理執行問題。具(ju)體體現在:一是(shi)新(xin)(xin)能源(yuan)由于(yu)(yu)其出力(li)(li)(li)波動性、準(zhun)確預測難(nan)(nan)度(du)大,多數用(yong)戶(hu)負(fu)荷不(bu)具(ju)備可(ke)調(diao)節性,單一新(xin)(xin)能源(yuan)企業與單一的(de)電(dian)(dian)力(li)(li)(li)用(yong)戶(hu)達成(cheng)帶曲(qu)(qu)(qu)線交(jiao)(jiao)(jiao)易(yi)存在難(nan)(nan)度(du)。二是(shi)中長(chang)期(qi)市場以年(nian)度(du)、月度(du)為主,新(xin)(xin)能源(yuan)的(de)電(dian)(dian)量(liang)轉讓、電(dian)(dian)力(li)(li)(li)轉讓交(jiao)(jiao)(jiao)易(yi)頻次不(bu)夠,新(xin)(xin)能源(yuan)企業即(ji)使與用(yong)戶(hu)簽(qian)訂(ding)帶曲(qu)(qu)(qu)線交(jiao)(jiao)(jiao)易(yi),電(dian)(dian)力(li)(li)(li)合(he)同調(diao)整也仍然(ran)缺乏(fa)充足的(de)市場手段。


“雙碳”目標下完善市場機制的重要性


碳(tan)達峰、碳(tan)中和(he)目(mu)標下,在構建(jian)以(yi)新(xin)能源為(wei)主體(ti)的新(xin)型電(dian)(dian)力(li)(li)(li)系(xi)統進程中,電(dian)(dian)力(li)(li)(li)系(xi)統運(yun)行(xing)特性顯(xian)著(zhu)變化、電(dian)(dian)力(li)(li)(li)電(dian)(dian)量平衡(heng)更加(jia)復(fu)雜,電(dian)(dian)力(li)(li)(li)系(xi)統運(yun)行(xing)和(he)能源電(dian)(dian)力(li)(li)(li)供應(ying)保(bao)(bao)障(zhang)都面臨較(jiao)大(da)挑(tiao)戰。當前,西北地(di)區長時間(jian)周期的冬、夏“雙峰”、短時間(jian)周期的早、晚“雙峰”的特征十分明顯(xian),電(dian)(dian)力(li)(li)(li)保(bao)(bao)障(zhang)供應(ying)的難度(du)逐年加(jia)大(da)。構建(jian)以(yi)新(xin)能源為(wei)主體(ti)電(dian)(dian)力(li)(li)(li)系(xi)統的電(dian)(dian)力(li)(li)(li)市場,將有利(li)于(yu)促進電(dian)(dian)力(li)(li)(li)供需平衡(heng)、引導發(fa)電(dian)(dian)企業合理投資、保(bao)(bao)障(zhang)系(xi)統長期容量充裕度(du),充分發(fa)揮(hui)大(da)范圍電(dian)(dian)力(li)(li)(li)市場余缺(que)互濟和(he)優(you)勢(shi)互補作用,確保(bao)(bao)電(dian)(dian)力(li)(li)(li)系(xi)統安全穩定運(yun)行(xing)和(he)可(ke)靠供應(ying)。


碳達峰(feng)、碳中和(he)(he)目(mu)標下,新能(neng)源(yuan)(yuan)(yuan)裝機比例、發(fa)電(dian)(dian)占比等提高,豐枯季節、不同時(shi)段、不同時(shi)刻(ke)的(de)電(dian)(dian)量(liang)、電(dian)(dian)力的(de)波動將日益離散,對系(xi)統(tong)調頻(pin)、調峰(feng)資源(yuan)(yuan)(yuan)、靈(ling)活調節資源(yuan)(yuan)(yuan)、轉動慣量(liang)的(de)需求(qiu)將大大增加。煤電(dian)(dian)將由過去的(de)“主體(ti)電(dian)(dian)源(yuan)(yuan)(yuan)、基礎地位”,轉向“基荷電(dian)(dian)源(yuan)(yuan)(yuan)與調節電(dian)(dian)源(yuan)(yuan)(yuan)并重”,并最(zui)終成為(wei)“調節電(dian)(dian)源(yuan)(yuan)(yuan)”,為(wei)全額消納(na)清潔能(neng)源(yuan)(yuan)(yuan)提供(gong)容(rong)量(liang)保障和(he)(he)系(xi)統(tong)調峰(feng)。新型電(dian)(dian)力系(xi)統(tong)對靈(ling)活調節資源(yuan)(yuan)(yuan)有(you)著巨(ju)大需求(qiu),需要構建合理的(de)電(dian)(dian)力市場機制,引導發(fa)用雙側(ce)靈(ling)活互動。


碳(tan)達峰、碳(tan)中和(he)目標下,光伏和(he)風電等間歇性新能(neng)源(yuan)比例升高并逐步成為主體(ti)電源(yuan)、各種(zhong)類型儲(chu)能(neng)的成本逐漸(jian)降低,需(xu)(xu)求側響(xiang)應將更(geng)全面地(di)參與系統調(diao)節,需(xu)(xu)要推進(jin)中長期交易(yi)向(xiang)更(geng)短(duan)周期延伸、向(xiang)更(geng)細時段轉(zhuan)變。進(jin)一步優化完(wan)善(shan)交易(yi)組織,豐(feng)富交易(yi)品(pin)種(zhong),加大(da)交易(yi)頻次,縮短(duan)交易(yi)周期,健全合(he)同靈活調(diao)整機制(zhi),完(wan)善(shan)偏差結(jie)算(suan)機制(zhi)。


碳(tan)達峰、碳(tan)中(zhong)和(he)(he)目標(biao)下,推(tui)動能源(yuan)(yuan)生(sheng)產與消(xiao)費各(ge)環節(jie)變革創新,促進電(dian)(dian)源(yuan)(yuan)、電(dian)(dian)網、負(fu)荷及儲(chu)(chu)能等各(ge)環節(jie)的協調(diao)優化具有(you)重大(da)價(jia)值。不斷創新市(shi)場(chang)(chang)模(mo)式和(he)(he)交易(yi)品種,以市(shi)場(chang)(chang)機制引(yin)導(dao)集中(zhong)式電(dian)(dian)源(yuan)(yuan)、分布式電(dian)(dian)源(yuan)(yuan)、柔性負(fu)荷、儲(chu)(chu)能、虛擬電(dian)(dian)廠(chang)、新能源(yuan)(yuan)汽車等各(ge)類主體廣泛參與和(he)(he)友(you)好互動,有(you)利于更好滿足市(shi)場(chang)(chang)主體交易(yi)需求(qiu),實現能源(yuan)(yuan)互聯網價(jia)值創造。


碳(tan)達(da)峰、碳(tan)中和目(mu)標(biao)下,充分利用(yong)地區(qu)(qu)差異,加(jia)強區(qu)(qu)域統籌(chou)、全網(wang)統籌(chou),實現分季節、區(qu)(qu)域間(jian)余缺調劑、優勢互補,平抑新(xin)能源的隨機性、波(bo)動性,形成更(geng)大范圍的電力(li)市(shi)場并進(jin)行資源優化配置更(geng)加(jia)重要。需要做(zuo)好(hao)省(sheng)間(jian)與省(sheng)內市(shi)場銜(xian)接,逐步擴(kuo)大市(shi)場范圍,形成統一電力(li)市(shi)場。


新型電力系統中市場設計的建議


完善合(he)(he)(he)(he)(he)同(tong)轉讓(rang)調(diao)(diao)整(zheng)機(ji)制。構建以新能(neng)源(yuan)(yuan)為(wei)主(zhu)體的(de)(de)(de)新型電(dian)力(li)系統進程中(zhong),系統平(ping)衡(heng)的(de)(de)(de)經濟特性,主(zhu)要體現在常規電(dian)源(yuan)(yuan)與(yu)新能(neng)源(yuan)(yuan)之(zhi)間高(gao)(gao)頻次(ci)(ci)的(de)(de)(de)合(he)(he)(he)(he)(he)同(tong)調(diao)(diao)整(zheng)(電(dian)量(liang)合(he)(he)(he)(he)(he)同(tong)調(diao)(diao)整(zheng),及電(dian)力(li)合(he)(he)(he)(he)(he)同(tong)調(diao)(diao)整(zheng))。中(zhong)長期市(shi)場(chang)建立高(gao)(gao)頻次(ci)(ci)的(de)(de)(de)合(he)(he)(he)(he)(he)同(tong)調(diao)(diao)整(zheng)與(yu)轉讓(rang)機(ji)制,建立完善的(de)(de)(de)偏差調(diao)(diao)整(zheng)機(ji)制,通過高(gao)(gao)頻次(ci)(ci)的(de)(de)(de)合(he)(he)(he)(he)(he)同(tong)轉讓(rang)、置換、回購交易(yi),為(wei)市(shi)場(chang)主(zhu)體提(ti)供靈活的(de)(de)(de)市(shi)場(chang)化調(diao)(diao)節手(shou)段,能(neng)夠實現與(yu)現貨市(shi)場(chang)(日(ri)前日(ri)內和(he)實時平(ping)衡(heng))基本一致的(de)(de)(de)功能(neng)。


推進輔(fu)助(zhu)(zhu)服(fu)(fu)(fu)務(wu)(wu)向(xiang)用(yong)戶側的(de)成本分(fen)攤機制。《關(guan)于推進電力(li)市(shi)(shi)場(chang)建設的(de)實施(shi)意見(jian)》(發改經體(ti)[2015]2752號(hao)(hao))明確(que)(que)提出,按(an)照“誰(shui)受益(yi)、誰(shui)承(cheng)擔(dan)(dan)”的(de)原則,建立電力(li)用(yong)戶參與的(de)輔(fu)助(zhu)(zhu)服(fu)(fu)(fu)務(wu)(wu)分(fen)擔(dan)(dan)共享機制。《電力(li)中(zhong)長期交(jiao)易基(ji)(ji)本規則》(發改能(neng)源規〔2020〕889號(hao)(hao))再次明確(que)(que)“市(shi)(shi)場(chang)用(yong)戶的(de)用(yong)電價格(ge)由電能(neng)量交(jiao)易價格(ge)、輸配電價格(ge)、輔(fu)助(zhu)(zhu)服(fu)(fu)(fu)務(wu)(wu)費用(yong)、政府性基(ji)(ji)金及附(fu)加等構(gou)(gou)成”。在構(gou)(gou)建新型電力(li)系統(tong)的(de)進程中(zhong),應按(an)照“誰(shui)受益(yi)、誰(shui)承(cheng)擔(dan)(dan)”的(de)市(shi)(shi)場(chang)化基(ji)(ji)本原則,合理評估輔(fu)助(zhu)(zhu)服(fu)(fu)(fu)務(wu)(wu)貢獻和責任主(zhu)體(ti),推進輔(fu)助(zhu)(zhu)服(fu)(fu)(fu)務(wu)(wu)成本由目前(qian)單(dan)一的(de)“電源側”向(xiang)“電源+用(yong)戶”雙側共同承(cheng)擔(dan)(dan)轉變。西北地區(qu)尤其要完善快速爬坡調頻輔(fu)助(zhu)(zhu)服(fu)(fu)(fu)務(wu)(wu)、一次調頻輔(fu)助(zhu)(zhu)服(fu)(fu)(fu)務(wu)(wu)市(shi)(shi)場(chang)交(jiao)易機制,并做好輔(fu)助(zhu)(zhu)服(fu)(fu)(fu)務(wu)(wu)市(shi)(shi)場(chang)與現(xian)貨市(shi)(shi)場(chang)的(de)銜接準備。


研(yan)究提升靈(ling)(ling)活(huo)調(diao)(diao)節(jie)(jie)資(zi)源(yuan)(yuan)供給的容(rong)量市(shi)場(chang)(或(huo)補償機制)。國家電網西北(bei)分(fen)部從西北(bei)地區實(shi)際出發,創新(xin)(xin)性開展了(le)靈(ling)(ling)活(huo)調(diao)(diao)節(jie)(jie)容(rong)量市(shi)場(chang)機制設(she)計。在(zai)靈(ling)(ling)活(huo)調(diao)(diao)節(jie)(jie)容(rong)量缺乏(fa)的地區,通過(guo)定期(qi)招(zhao)標(biao)方式采購靈(ling)(ling)活(huo)調(diao)(diao)節(jie)(jie)資(zi)源(yuan)(yuan)容(rong)量,相關成本在(zai)包括新(xin)(xin)能源(yuan)(yuan)在(zai)內(nei)的相關市(shi)場(chang)主體(ti)之間分(fen)攤;在(zai)新(xin)(xin)增(zeng)新(xin)(xin)能源(yuan)(yuan)投標(biao)環節(jie)(jie)可以規定其配建(jian)充(chong)足(zu)的靈(ling)(ling)活(huo)調(diao)(diao)節(jie)(jie)資(zi)源(yuan)(yuan)容(rong)量;進(jin)一步研(yan)究新(xin)(xin)能源(yuan)(yuan)超出消納能力部分(fen)支付(fu)超額靈(ling)(ling)活(huo)調(diao)(diao)節(jie)(jie)成本的具體(ti)機制;探索(suo)儲能成本疏導機制。


研(yan)究(jiu)新(xin)(xin)能(neng)源(yuan)(yuan)(yuan)承(cheng)擔(dan)系統(tong)平衡責任(ren)相關(guan)問題。新(xin)(xin)能(neng)源(yuan)(yuan)(yuan)企(qi)業(ye)參(can)與(yu)(yu)日前和日內(nei)現貨(huo)市場時,由新(xin)(xin)能(neng)源(yuan)(yuan)(yuan)發電(dian)企(qi)業(ye)為主體開展短期(qi)和超短期(qi)功率預(yu)測,并按時向電(dian)力(li)調(diao)(diao)度機構提交功率預(yu)測曲線,因新(xin)(xin)能(neng)源(yuan)(yuan)(yuan)發電(dian)企(qi)業(ye)自身(shen)預(yu)測能(neng)力(li)不足等(deng)原因導(dao)致的(de)偏差,應研(yan)究(jiu)和推動(dong)(dong)由其(qi)分擔(dan)系統(tong)調(diao)(diao)節成(cheng)本。完(wan)善新(xin)(xin)能(neng)源(yuan)(yuan)(yuan)與(yu)(yu)常規(gui)電(dian)源(yuan)(yuan)(yuan)打捆(kun)交易機制(zhi),對于由新(xin)(xin)能(neng)源(yuan)(yuan)(yuan)與(yu)(yu)火電(dian)打捆(kun)的(de)直接交易、省間外送交易等(deng)市場化交易,特別是新(xin)(xin)能(neng)源(yuan)(yuan)(yuan)與(yu)(yu)常規(gui)電(dian)源(yuan)(yuan)(yuan)交易價(jia)格以上(shang)網價(jia)格二次拆分進行(xing)價(jia)格打捆(kun)的(de)新(xin)(xin)能(neng)源(yuan)(yuan)(yuan)企(qi)業(ye)是否承(cheng)擔(dan)、如何承(cheng)擔(dan)系統(tong)平衡責任(ren)需要研(yan)究(jiu)探討(tao)。通(tong)過完(wan)善新(xin)(xin)能(neng)源(yuan)(yuan)(yuan)市場機制(zhi),推動(dong)(dong)新(xin)(xin)能(neng)源(yuan)(yuan)(yuan)企(qi)業(ye)進一(yi)步完(wan)善技(ji)術支撐水平,提高功率預(yu)測準(zhun)確(que)性,促進新(xin)(xin)能(neng)源(yuan)(yuan)(yuan)企(qi)業(ye)配(pei)置儲(chu)能(neng)等(deng)平抑波動(dong)(dong)、增(zeng)強保障能(neng)力(li)的(de)技(ji)術措施。


推動儲能作為(wei)獨立市場主體(ti)或作為(wei)虛擬電(dian)廠聚合資源(yuan)參與電(dian)力(li)中長期、現貨市場交易,通(tong)過價格信號(hao)引(yin)導(dao)儲能、各類電(dian)源(yuan)、電(dian)力(li)用戶和虛擬電(dian)廠靈活(huo)調(diao)節,多向互動。


探(tan)索電(dian)力(li)市(shi)場(chang)(chang)(chang)(chang)(chang)與(yu)(yu)碳(tan)市(shi)場(chang)(chang)(chang)(chang)(chang)融合(he)(he)建(jian)設(she)。40%碳(tan)排放(fang)(fang)在(zai)發(fa)電(dian)行業(ye),且碳(tan)排放(fang)(fang)量大的(de)電(dian)力(li)用戶已基本全部參與(yu)(yu)電(dian)力(li)市(shi)場(chang)(chang)(chang)(chang)(chang)交易(yi),因(yin)此(ci)電(dian)力(li)市(shi)場(chang)(chang)(chang)(chang)(chang)建(jian)設(she)與(yu)(yu)碳(tan)排放(fang)(fang)市(shi)場(chang)(chang)(chang)(chang)(chang)密不(bu)可分。應(ying)探(tan)索電(dian)力(li)市(shi)場(chang)(chang)(chang)(chang)(chang)與(yu)(yu)碳(tan)排放(fang)(fang)權交易(yi)市(shi)場(chang)(chang)(chang)(chang)(chang)在(zai)交易(yi)產品、管理機構、參與(yu)(yu)主體、市(shi)場(chang)(chang)(chang)(chang)(chang)機制等要素深(shen)度融合(he)(he),做好(hao)相(xiang)關數據和信息的(de)及時準確發(fa)布、共享,加強(qiang)電(dian)力(li)市(shi)場(chang)(chang)(chang)(chang)(chang)與(yu)(yu)碳(tan)排放(fang)(fang)市(shi)場(chang)(chang)(chang)(chang)(chang)在(zai)能(neng)源生產、消費環節的(de)融合(he)(he)銜(xian)接。


研究探(tan)索(suo)跨(kua)(kua)(kua)區(qu)(qu)(qu)跨(kua)(kua)(kua)省輸(shu)電(dian)(dian)(dian)(dian)價(jia)(jia)格(ge)(ge)配套(tao)機制。當前,跨(kua)(kua)(kua)區(qu)(qu)(qu)直流主要采取一線(xian)一價(jia)(jia)的輸(shu)電(dian)(dian)(dian)(dian)價(jia)(jia)格(ge)(ge)核定(ding)方(fang)式(shi),跨(kua)(kua)(kua)區(qu)(qu)(qu)交易采用(yong)送出(chu)省公(gong)司(si)+送端區(qu)(qu)(qu)域電(dian)(dian)(dian)(dian)網+跨(kua)(kua)(kua)區(qu)(qu)(qu)直流+受(shou)端區(qu)(qu)(qu)域電(dian)(dian)(dian)(dian)網的輸(shu)電(dian)(dian)(dian)(dian)價(jia)(jia)格(ge)(ge)機制。區(qu)(qu)(qu)域電(dian)(dian)(dian)(dian)網采取以區(qu)(qu)(qu)域整體聯絡線(xian)核定(ding)輸(shu)電(dian)(dian)(dian)(dian)價(jia)(jia)格(ge)(ge)的模式(shi),采用(yong)送出(chu)省公(gong)司(si)+區(qu)(qu)(qu)域電(dian)(dian)(dian)(dian)網的輸(shu)電(dian)(dian)(dian)(dian)價(jia)(jia)格(ge)(ge)機制。在新型(xing)電(dian)(dian)(dian)(dian)力系統中,為(wei)了(le)降低新能源參與(yu)市(shi)場的交易壁壘和貿(mao)易壁壘,應(ying)研究探(tan)索(suo)適應(ying)跨(kua)(kua)(kua)省跨(kua)(kua)(kua)區(qu)(qu)(qu)大范圍市(shi)場運(yun)作的輸(shu)電(dian)(dian)(dian)(dian)價(jia)(jia)格(ge)(ge)機制,以市(shi)場價(jia)(jia)格(ge)(ge)為(wei)導向(xiang)逐步擴大統一市(shi)場交易范圍。


注:本文刊載于《中國電力企業管理》2021年06期,作者劉瑞豐、賀元康供職于國家電網有限公司西北分部,作者李強供職于寧夏電力交易中心有限公司,作者王峰供職于甘肅電力交易中心有限公司,作者何方波供職于陜西電力交易中心有限公司。

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