最新統計數據顯示,今年上半年,國家電網公司經營區新能源發電量達3448億千瓦時,同比增長14.8%,剔除一季度疫情影響后,新能源利用率為98.7%,同比上升2.6個百分點。同時,截至6月底,南方電網公司通過開展清潔能源調度,充分消納水電、風電、光伏發電等清潔能源,全網水電發電量達1511.9億千瓦時,水電發電利用率達99.8%,全網可再生能源發電利用率達99.87%。2019年,南網全網水能利用率為99.6%。
具體而言,今年上半年,國網經營區風力發(fa)電(dian)量1845億千瓦(wa)時(shi)(shi),太陽(yang)能(neng)(neng)發(fa)電(dian)量1102億千瓦(wa)時(shi)(shi),分別(bie)同比增長12.3%、19.2%;分區域(yu)看,華北、東(dong)北、西北電(dian)網新能(neng)(neng)源發(fa)電(dian)量累計(ji)超(chao)過2301億千瓦(wa)時(shi)(shi),剔除(chu)一季(ji)度疫情影(ying)響,新能(neng)(neng)源利用(yong)率分別(bie)為99.5%、99.5%、96.4%。
在南(nan)方區域,為最大限度(du)消納清(qing)潔(jie)能(neng)源,進一步推(tui)動綠色發(fa)展,南(nan)網(wang)發(fa)布了(le)2020年清(qing)潔(jie)能(neng)源消納專項(xiang)行(xing)動方案,從加強清(qing)潔(jie)能(neng)源調(diao)度(du)、發(fa)揮市場調(diao)節等六個方面提出24項(xiang)措施。在汛期來(lai)臨前,各主力水(shui)庫完成汛前消落任(ren)務。其中,今年6月,云南(nan)清(qing)潔(jie)水(shui)電入(ru)海南(nan)啟(qi)動后,當月云電入(ru)瓊電量首次突破3億千瓦時,達(da)3.23億千瓦時。
不(bu)僅是云電(dian)入(ru)瓊,其他電(dian)力(li)市場(chang)化(hua)交(jiao)(jiao)(jiao)易(yi)(yi)(yi)也(ye)發(fa)揮(hui)了重(zhong)要作用(yong)。今年上半年,青海電(dian)力(li)交(jiao)(jiao)(jiao)易(yi)(yi)(yi)中心(xin)通過(guo)政府間(jian)協議、市場(chang)化(hua)競(jing)價(jia)、月(yue)度(du)補(bu)充交(jiao)(jiao)(jiao)易(yi)(yi)(yi)、陜(shan)青互(hu)濟等方式,實際完成交(jiao)(jiao)(jiao)易(yi)(yi)(yi)外送(song)電(dian)量106.9億千瓦時;廣(guang)州電(dian)力(li)交(jiao)(jiao)(jiao)易(yi)(yi)(yi)中心(xin)以云南富(fu)余水電(dian)增(zeng)送(song)廣(guang)東(dong)為(wei)重(zhong)點,組(zu)織跨(kua)區跨(kua)省(sheng)中長期市場(chang)化(hua)交(jiao)(jiao)(jiao)易(yi)(yi)(yi),最(zui)大限度(du)消(xiao)納西(xi)部(bu)富(fu)余水電(dian);廣(guang)西(xi)電(dian)力(li)交(jiao)(jiao)(jiao)易(yi)(yi)(yi)中心(xin)積極推動燃(ran)煤自備電(dian)廠供電(dian)負荷參與市場(chang)化(hua)交(jiao)(jiao)(jiao)易(yi)(yi)(yi),進一步(bu)優化(hua)廣(guang)西(xi)水電(dian)與火(核)電(dian)發(fa)電(dian)權交(jiao)(jiao)(jiao)易(yi)(yi)(yi)機制,拓寬清潔能源(yuan)消(xiao)納空間(jian)……
6月以來,我國多(duo)地(di)進入主(zhu)汛期(qi),江南(nan)、華(hua)(hua)南(nan)、西(xi)南(nan)暴雨明顯增(zeng)多(duo),其中(zhong),華(hua)(hua)中(zhong)電(dian)網(wang)(wang)主(zhu)要(yao)流域水電(dian)廠(chang)相(xiang)繼滿發(fa),三峽近區(qu)(qu)(qu)潮(chao)流疏散壓(ya)力陡增(zeng),區(qu)(qu)(qu)內(nei)外清(qing)潔能源消(xiao)納(na)(na)矛(mao)盾(dun)異常(chang)突出(chu)。對此,國網(wang)(wang)積極發(fa)揮特高壓(ya)工程大范圍(wei)資源配(pei)置、華(hua)(hua)中(zhong)電(dian)網(wang)(wang)柔性交易(yi)平臺優化配(pei)置等作(zuo)用(yong),多(duo)方(fang)面紓(shu)解區(qu)(qu)(qu)內(nei)外清(qing)潔能源消(xiao)納(na)(na)矛(mao)盾(dun)。據(ju)統(tong)計,西(xi)南(nan)電(dian)網(wang)(wang)水電(dian)發(fa)電(dian)量同(tong)比增(zeng)長13%,達(da)376億千(qian)瓦(wa)時(shi)(shi),預(yu)計上半年跨區(qu)(qu)(qu)交易(yi)電(dian)量水電(dian)外送333億千(qian)瓦(wa)時(shi)(shi);華(hua)(hua)中(zhong)電(dian)網(wang)(wang)水電(dian)發(fa)電(dian)量同(tong)比增(zeng)長3%,水能利用(yong)率達(da)99.97%,消(xiao)納(na)(na)區(qu)(qu)(qu)外電(dian)量1414萬千(qian)瓦(wa)時(shi)(shi);華(hua)(hua)東電(dian)網(wang)(wang)消(xiao)納(na)(na)區(qu)(qu)(qu)外水電(dian)134.98億千(qian)瓦(wa)時(shi)(shi)、區(qu)(qu)(qu)內(nei)水電(dian)92億千(qian)瓦(wa)時(shi)(shi),區(qu)(qu)(qu)內(nei)新能源全額消(xiao)納(na)(na)。
另(ling)據悉,上半(ban)年,國網克服疫情影響,較往年提前(qian)完成(cheng)2020年“煤改電(dian)(dian)”確(que)村確(que)戶工作,新增258.5萬(wan)(wan)戶“煤改電(dian)(dian)”清潔取(qu)暖(nuan)居民,完成(cheng)24.7萬(wan)(wan)戶高(gao)壓客戶用能信息(xi)普查;實施港口岸(an)電(dian)(dian)項目517套;積極(ji)推動電(dian)(dian)鍋(guo)爐、電(dian)(dian)烘干、電(dian)(dian)氣(qi)化(hua)(hua)(hua)大棚等電(dian)(dian)氣(qi)化(hua)(hua)(hua)改造,全面(mian)推廣電(dian)(dian)供暖(nuan)、電(dian)(dian)熱水、電(dian)(dian)廚炊(chui)進校園。1-6月,國網累計完成(cheng)電(dian)(dian)能替(ti)代電(dian)(dian)量916億千瓦時,同比增長7.7%,相(xiang)當于在終(zhong)端消(xiao)費環節減(jian)少消(xiao)耗(hao)散(san)燒(shao)煤5129萬(wan)(wan)噸(dun),減(jian)排(pai)(pai)二氧化(hua)(hua)(hua)碳9133萬(wan)(wan)噸(dun),減(jian)排(pai)(pai)二氧化(hua)(hua)(hua)硫、氮(dan)氧化(hua)(hua)(hua)物(wu)和粉塵污染物(wu)2904萬(wan)(wan)噸(dun)。