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　　7月8日(ri)，國(guo)家(jia)電(dian)(dian)(dian)網公司自主研(yan)發、設計、建設的(de)世界(jie)上(shang)輸(shu)送(song)容(rong)量最大(da)、送(song)電(dian)(dian)(dian)距離(li)最遠(yuan)、電(dian)(dian)(dian)壓(ya)(ya)等級最高(gao)、技(ji)術水平最先(xian)進的(de)特高(gao)壓(ya)(ya)直流(liu)工程(cheng)——向家(jia)壩—上(shang)海(hai)±800千(qian)伏特高(gao)壓(ya)(ya)直流(liu)輸(shu)電(dian)(dian)(dian)示(shi)范工程(cheng)成功投運，在(zai)(zai)世界(jie)上(shang)首次實現了(le)特高(gao)壓(ya)(ya)直流(liu)輸(shu)送(song)電(dian)(dian)(dian)壓(ya)(ya)和電(dian)(dian)(dian)流(liu)的(de)雙提升、輸(shu)送(song)容(rong)量和輸(shu)送(song)距離(li)的(de)雙突破，是(shi)世界(jie)電(dian)(dian)(dian)力發展史上(shang)新的(de)里程(cheng)碑，標志著我國(guo)全面攻克了(le)特高(gao)壓(ya)(ya)交、直流(liu)兩大(da)前(qian)沿(yan)領域(yu)的(de)世界(jie)性難題(ti)，在(zai)(zai)理(li)論(lun)研(yan)究、工程(cheng)建設、運行管理(li)、試驗(yan)能(neng)(neng)力、標準(zhun)制(zhi)定等各方面走在(zai)(zai)了(le)國(guo)際前(qian)列，占(zhan)領了(le)世界(jie)輸(shu)變電(dian)(dian)(dian)技(ji)術制(zhi)高(gao)點，為我國(guo)從電(dian)(dian)(dian)力大(da)國(guo)走向電(dian)(dian)(dian)力科技(ji)強(qiang)國(guo)奠定了(le)堅(jian)實基(ji)礎；標志著國(guo)家(jia)電(dian)(dian)(dian)網在(zai)(zai)超遠(yuan)距離(li)、超大(da)規模輸(shu)電(dian)(dian)(dian)技(ji)術上(shang)取得全面突破，全面進入特高(gao)壓(ya)(ya)交直流(liu)電(dian)(dian)(dian)網時代，為加(jia)快我國(guo)清(qing)潔能(neng)(neng)源(yuan)(yuan)(yuan)大(da)規模開發，提高(gao)我國(guo)非化石能(neng)(neng)源(yuan)(yuan)(yuan)比(bi)重，形成可(ke)持續的(de)能(neng)(neng)源(yuan)(yuan)(yuan)供(gong)應體(ti)系，應對氣候(hou)變化挑戰(zhan)奠定了(le)堅(jian)實基(ji)礎。

　　該工程(cheng)西起四川(chuan)(chuan)向(xiang)家壩，東(dong)至(zhi)上(shang)海(hai)(hai)，途經四川(chuan)(chuan)、重慶、湖北、湖南、安徽、浙(zhe)江、江蘇、上(shang)海(hai)(hai)等8省市，線路全(quan)長(chang)1907公里，額定電(dian)(dian)(dian)壓±800千伏，輸送(song)能(neng)力達700萬千瓦(wa)級，承擔著金(jin)沙江下游大(da)(da)(da)型水(shui)電(dian)(dian)(dian)基(ji)地的(de)送(song)出任務，是超大(da)(da)(da)規(gui)模、超大(da)(da)(da)范圍(wei)配置能(neng)源(yuan)資源(yuan)的(de)綠色環(huan)保工程(cheng)，對(dui)于促進(jin)西部(bu)水(shui)電(dian)(dian)(dian)大(da)(da)(da)開發，保障東(dong)部(bu)地區能(neng)源(yuan)供應，加快(kuai)電(dian)(dian)(dian)力布局和能(neng)源(yuan)資源(yuan)配置由注(zhu)重就(jiu)地平衡(heng)向(xiang)全(quan)國統籌轉變，保障能(neng)源(yuan)安全(quan)，促進(jin)節能(neng)減(jian)排(pai)，具有(you)十分(fen)重要的(de)意義(yi)。工程(cheng)投運后(hou)，每年可向(xiang)上(shang)海(hai)(hai)輸送(song)320億千瓦(wa)時的(de)清(qing)潔電(dian)(dian)(dian)能(neng)，最大(da)(da)(da)輸送(song)功(gong)率約(yue)占上(shang)海(hai)(hai)高(gao)峰負荷的(de)1/3，可節省原煤1500萬噸(dun)，減(jian)排(pai)二氧化碳(tan)超過3000萬噸(dun)。

　　該工(gong)(gong)(gong)程(cheng)(cheng)于2007年(nian)4月(yue)26日通過國(guo)家(jia)核準，2007年(nian)12月(yue)開工(gong)(gong)(gong)建(jian)(jian)設(she)(she)。建(jian)(jian)設(she)(she)過程(cheng)(cheng)中(zhong)，國(guo)家(jia)電(dian)網公司(si)組織協調各方力(li)量，完成(cheng)了多項(xiang)重大關鍵技術和工(gong)(gong)(gong)程(cheng)(cheng)專項(xiang)研究(jiu)，成(cheng)功研制(zhi)出國(guo)際領(ling)先(xian)水平(ping)的全套(tao)特(te)高(gao)(gao)壓(ya)直(zhi)流(liu)(liu)設(she)(she)備，系統(tong)建(jian)(jian)立了特(te)高(gao)(gao)壓(ya)輸電(dian)標準體系,全面掌握了特(te)高(gao)(gao)壓(ya)直(zhi)流(liu)(liu)輸電(dian)核心技術，實現(xian)了一系列(lie)技術的創(chuang)新(xin)和突破，安全、優質、高(gao)(gao)效地(di)完成(cheng)了工(gong)(gong)(gong)程(cheng)(cheng)建(jian)(jian)設(she)(she)任務，創(chuang)造了直(zhi)流(liu)(liu)輸電(dian)工(gong)(gong)(gong)程(cheng)(cheng)的新(xin)記錄(lu)。該工(gong)(gong)(gong)程(cheng)(cheng)的建(jian)(jian)成(cheng)投(tou)運，是我國(guo)能源領(ling)域(yu)取(qu)得的世界級創(chuang)新(xin)成(cheng)果，代表了當今世界高(gao)(gao)壓(ya)直(zhi)流(liu)(liu)輸電(dian)技術的最高(gao)(gao)水平(ping)，標志著(zhu)(zhu)我國(guo)已全面掌握特(te)高(gao)(gao)壓(ya)直(zhi)流(liu)(liu)輸電(dian)設(she)(she)計、試驗、設(she)(she)備制(zhi)造、工(gong)(gong)(gong)程(cheng)(cheng)建(jian)(jian)設(she)(she)的核心技術，顯(xian)著(zhu)(zhu)提升(sheng)了我國(guo)電(dian)工(gong)(gong)(gong)裝備制(zhi)造業的自主創(chuang)新(xin)能力(li)和核心競爭力(li)，為我國(guo)電(dian)工(gong)(gong)(gong)裝備制(zhi)造業產業升(sheng)級和跨越發展(zhan)創(chuang)造了條件。