皖電(dian)(dian)(dian)東送淮南(nan)至上海特高壓(ya)交流輸電(dian)(dian)(dian)示范工(gong)程是世界上最高電(dian)(dian)(dian)壓(ya)等級、容(rong)量(liang)最大、首(shou)條同塔雙(shuang)回特高壓(ya)交流輸電(dian)(dian)(dian)工(gong)程，變電(dian)(dian)(dian)容(rong)量(liang)2100萬(wan)千(qian)伏(fu)安，線路長度(du)656千(qian)米。建設皖電(dian)(dian)(dian)東送工(gong)程對推進(jin)淮南(nan)大型(xing)煤電(dian)(dian)(dian)基地(di)電(dian)(dian)(dian)力外送，加強華東電(dian)(dian)(dian)網受(shou)電(dian)(dian)(dian)能(neng)力和可靠性，緩(huan)解(jie)華東地(di)區(qu)供電(dian)(dian)(dian)緊張局面，推動特高壓(ya)輸電(dian)(dian)(dian)技術的(de)進(jin)一步發展具有重要(yao)意(yi)義(yi)。

2013年9月25日正(zheng)式投運。