文章來源:國家電網公司 發(fa)布時間:2013-10-25
10月23日,從華中電網2012年電力供需形勢分析暨廠網座談會上傳出消息,今年以來,華中電網公司針對水電大發,積極做好水電消納,落實國家節能減排政策。今年4至9月,華中電網實現跨省水電交易62億千瓦時,通過特高壓交流、德寶直流、復奉和錦蘇特高壓直流向華北、西北、華東區外輸送水電186億千瓦時(不含三峽、官地等大型水電廠直接外送)。
據了解,2012年,華中電網經歷了從電力供應趨緊到電力供大于求的過程,前三季度華中地區用電增長緩慢,在全國處于落后水平,全網統調用電量增長0.16%,在國家電網公司經營區域內的五個大區中增速最低。全網統調用電負荷多年來首次未創新高,全網電力供應充足,未出現拉閘限電。1至9月,全網水電累計來水量與多年均值基本持平,比去年同期偏多4.5成。四川、湖南、重慶、江西境內水電廠都出現了較長時期的穩發、滿發。特別是三峽,出現較長周期的32臺機滿功率運行情況。1至9月,華中地區統調火電機組利用小時數累計為3374小時,同比減少621小時。據分析,華中區域火電機組利用小時數大幅下降的因素有二,一是由于經濟增速放緩導致用電量下降,二是水電大發因素。其中,經濟增長放緩帶來的用電量下降是導致火電利用小數大幅下降的主要因素。預計今年全網統調火電機組的利用小時數約為4200小時,同比下降1000小時左右。
針(zhen)對今(jin)年水電(dian)(dian)(dian)(dian)(dian)(dian)來水較好、火電(dian)(dian)(dian)(dian)(dian)(dian)存(cun)煤較多的(de)(de)實際情況(kuang),國家電(dian)(dian)(dian)(dian)(dian)(dian)網公司華(hua)中(zhong)分(fen)部主(zhu)動就電(dian)(dian)(dian)(dian)(dian)(dian)網安全(quan)運行、電(dian)(dian)(dian)(dian)(dian)(dian)力(li)供需(xu)(xu)形(xing)(xing)勢及“三(san)公”調度(du)交易(yi)等工作與(yu)相關省經信委、電(dian)(dian)(dian)(dian)(dian)(dian)監(jian)辦及發(fa)電(dian)(dian)(dian)(dian)(dian)(dian)公司溝通(tong),并通(tong)過(guo)召開廠(chang)網座談會(hui)的(de)(de)形(xing)(xing)式,向(xiang)發(fa)電(dian)(dian)(dian)(dian)(dian)(dian)企業通(tong)報華(hua)中(zhong)地區2012年前(qian)三(san)季(ji)度(du)電(dian)(dian)(dian)(dian)(dian)(dian)力(li)供需(xu)(xu)情況(kuang)和(he)電(dian)(dian)(dian)(dian)(dian)(dian)網運行情況(kuang),分(fen)析今(jin)冬明春華(hua)中(zhong)電(dian)(dian)(dian)(dian)(dian)(dian)網電(dian)(dian)(dian)(dian)(dian)(dian)力(li)供需(xu)(xu)形(xing)(xing)勢,提出后期發(fa)電(dian)(dian)(dian)(dian)(dian)(dian)平衡與(yu)發(fa)電(dian)(dian)(dian)(dian)(dian)(dian)計劃安排(pai)建議,聽取(qu)發(fa)電(dian)(dian)(dian)(dian)(dian)(dian)公司對“三(san)公”調度(du)交易(yi)工作的(de)(de)意見和(he)建議,促進(jin)了(le)廠(chang)網協調健(jian)康發(fa)展,取(qu)得了(le)各方(fang)的(de)(de)理解與(yu)支持。