地上逛吃、地下供电 西安商圈下藏着一个“电力大拿”|xxx欧美xxx
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“十四五”这五年,我国能源加速“换绿装”,电力网络持续“织大网”。在陕西,电网把“绿色”当成了核心目标——不仅搭起了750千伏当“主干”、330千伏当“分支”的智能电网体系,还能把风电、光伏的“绿能量”全接住,新能源消纳率连续五年保持在90%以上,给陕西万亿级经济增添了“低碳劲”。
漫步西安商圈,你或许想不到,脚下藏着一个“电力大拿”:国内首座地下330千伏变电站今年上半年投运,实现地上逛吃、地下供电,占地较同规模变电站减少60%。
“十四五”期间,像这样的工程,陕西共建成75项,它们如毛细血管般延伸,让用电“血脉”愈发畅通。
在陕北黄土高原,“十四五”重头戏 ——陕北至关中第三通道750千伏输变电工程,正火力全开赶进度。
这条1271公里的“电力高速路”,明年建成后,陕北的“绿电”只需0.004秒就可抵达关中人家,4000万户家庭用电更稳,这一网架规模也将成为西北电网互联互通的核心枢纽。
在陕南秦岭深处,镇安抽水蓄能电站这个“绿色充电宝”,太会“精打细算”了——低谷时抽水存能量,用电高峰就“放水发电”,风电、光伏再也不怕“看天吃饭”。
这个西北地区在运装机容量最大的“绿色电池”,每年还能少排30.5万吨二氧化碳。
说出来你可能不信,昔日“火电大户”正加速向“风光大省”转型。
国网陕西商洛供电公司副总经理 黄晓勇:陕西镇安抽水蓄能电站投运,每年可消纳富余风电、太阳能发电量31.21亿千瓦时,年均节约标煤约11.7万吨。
不只服务陕西。“十四五”期间,陕湖特高压直流工程建成投运,开始给华中输送“陕电套餐”,每年能帮华中地区节约1800万吨标煤。陕皖特高压也在加快推进,预计今年底全线贯通后,更多地方将用上陕西绿电。目前,陕西境内特高压工程共“两站九线”,总长度2582公里,建设规模位居全国前列。
夜幕降临,大雁塔的灯光秀与山间的风机遥相呼应,一幅“绿电点亮万家”的壮美图景正在三秦大地徐徐铺展。这张越织越密的智能电网,一头系着陕西的绿色梦想,一头牵起江南的万家灯火,书写着新时代“西电东送”的陕西故事。
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