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行業資訊

我國風電利用小時數創階段新高

時間:2019-02-26    來源:中國電力新聞網    點擊次數:0     字體:【大】 【中】 【小】    打印本頁
        風電行業運行狀況正在持續好轉。2月25日,國家可再生能源信息管理中心發布數據顯示,2018年,全國棄風電量和棄風率實現雙降,全國棄風電量277億千瓦時,同比減少142億千瓦時,全國棄風率7%,同比下降5個百分點。得益于并網消納形勢持續好轉,2018年,全國風電平均利用小時數2095小時,較2017年增加147小時,為2011年以來最高值。
        全國風電裝機規模穩步擴大。2018年,全國風電新增并網裝機2059萬千瓦,累計并網容量1.84億千瓦,同比增長12.4%。其中,陸上風電全國新增核準約2140萬千瓦,新開工風電項目約1500萬千瓦,符合規劃發展預期;全國海上風電新增并網裝機161萬千瓦,同比增長140%,累計并網裝機達到363萬千瓦,呈現加速發展的態勢。此外,目前在建海上風電規模約1100萬千瓦。
        分地區來看,2018年中東部及南方地區、“三北”地區新投產風電比例大致各占一半,中東部和南方地區累計裝機占全國比重達到28%,較“十二五”末提升9個百分點。
        在發電量方面,2018年,風電發電量3660億千瓦時,同比增長20%,風電發電量占全部發電量的5.2%,比2017年提高0.4個百分點,繼續保持全國第三大電源品種的地位。
        值得注意的是,目前,國內風電產業技術與國際水平的差距不斷縮小,部分技術已達到國際先進水平。風機技術方面,目前國內最大海上風機葉輪直徑達到171米,為全球最大值;最高風機輪轂高度已超過150米,最長風機葉片達到84米,單機容量最大的海上風電機組功率達到8兆瓦,均已達到國際先進水平。運維技術方面,新型傳感、增強氣動、故障預測和壽命分析等新技術廣泛應用,持續提升風電機組的發電效率和性能,為行業提升市場競爭力提供了可靠支撐。
        再看風電市場,全國風電行業市場集中度還在進一步提升,前五大整機制造商總吊裝容量占新增市場73%份額,同比上升9個百分點。同時,海外市場穩步擴大。2018年,我國風電整機出口總規模37.6萬千瓦,在泰國、阿根廷等新興市場開拓方面取得了積極突破。截至2018年底,我國風電機組累計出口到36個國家,累計出貨量達到358萬千瓦。
        國家可再生能源信息管理中心預計,2015年以來,風電標桿電價退坡加速,2021年以后即將步入平價上網時代。

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