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【专家PPT】风电场配套储能技术经济研讨

  • 2026-07-02 04:25:19
【专家PPT】风电场配套储能技术经济研讨

最近几年,“风电+储能”这个词越来越频繁地出现在行业新闻里。你随便打开一个新能源行业的公众号,三天两头就能看到哪个省又出了新政策,要求新建的风电场必须配一定比例的储能。好像一夜之间,储能成了新能源的标配,就像手机必须配充电器一样。

但说实话,很多人对这个组合的理解,还停留在“把电存起来,晚上用”这么简单粗暴的层面。今天我就借着中国能建安徽院的一份内部研究报告,跟你掰扯掰扯:风电场为什么要配储能?配了之后到底赚不赚钱?这事儿到底是不是个坑?

我们先看看这份报告里提到的背景。2019年底,安徽省的可再生能源装机已经达到2065万千瓦,占全省总装机的27.9%。什么概念呢?全省装机里快三成是新能源了,而且光伏占了超过一半。光伏有个特点,白天太阳好的时候猛发,中午前后达到高峰,但正好也是春秋季用电低谷。安徽电网春秋季中午的最低负荷只有2000万左右,而新能源装机已经2065万了——也就是说,光新能源就能把全省的用电需求覆盖掉,甚至可能倒灌。这时候电网调度就头疼了:火电不能随便停,光伏又得尽量消纳,怎么办?

更麻烦的是,安徽的风电一大半集中在皖北平原,而皖北本身负荷小,电网结构薄弱,输送断面已经不够用了。一边是春秋季中午的消纳压力,一边是夏季和冬季局部时段电力供应紧张——同一个省份,同一张电网,居然同时存在“电太多”和“电不够”的矛盾。这就好比一个人,白天中午吃撑了,晚上又饿得慌,但总不能中午把饭倒掉晚上再叫外卖吧?储能就是那个冰箱。

报告里讲了一个非常具体的案例:华润濉溪孙疃50MW风电场,配了10MW/10MWh的电化学储能。这是安徽省首个风电+储能项目。他们是怎么确定这个容量的呢?不是拍脑门,而是算出来的。安徽电网调峰压力最大的时段是春秋季中午,他们根据这个风电场的历史测风数据和风机参数,算出春秋季中午时段的平均出力是8.9MW,而调峰压力持续的时间大约1小时。所以配10MW/10MWh的储能,刚刚好能把那一个小时多发的电存下来,等电网需要的时候再放出去。

看到这里你可能会想:这设计挺科学的啊,那经济效益应该不错吧?别急,这才是故事最扎心的部分。

报告直言不讳:收益一般,使用率较低,企业是被动投资。 为什么?储能的主要功能是平滑出力、提供辅助服务。但平滑出力其实用不了多大容量,因为风电的波动是局部的,而且即使弃电,也就那一个小时。电网辅助服务呢?频率越限的情况不是天天发生,一次调频启动的频率其实不高。所以储能在大部分时间里是“闲置”的,这就意味着它的利用小时数很低,赚的钱自然少。

报告里用了一个很微妙的词——“被迫增加项目投资”。你可以想象一下,开发商原本投一个风电场,内部收益率算得好好的,突然政策要求必须配10%甚至20%的储能,成本一下子上去了,收益被摊薄。有些企业怎么办?选最便宜的储能产品,能用就行,反正建完就搁那儿。这直接导致了行业的恶性循环:劣质储能设备充斥市场,安全事故频发,电网调度根本不敢用。

所以你会看到,前几年很多风电配储项目,基本上就是“为配而配”,建了个寂寞。储能电池放在那儿,一年充放不了几次,大部分时间就是个摆设。这不是技术问题,是经济账算不过来。

那为什么还要推?因为从系统角度看,储能确实是解决问题的好方案。报告里说得很清楚:储能是新能源继续发展的必然选择。进入“十四五”,风电光伏还得快速增长,网源不协调的矛盾只会越来越尖锐。储能是灵活性资源,能提高新能源的电网适应性。好比一个性格暴躁的人,配个情绪管理顾问,虽然平时也用不上,但真到发脾气的时候,能拦住他

但问题在于,这个“情绪管理顾问”的费用谁来出?目前大部分省份的政策是把成本转嫁给了风电开发商,而电网侧并没有为储能的灵活性服务支付合理的费用。也就是说,开发商承担了成本,但收益却没有体现。这就像你花大价钱给家里装了个智能电表,能帮电网削峰填谷,结果电网公司一分钱不给你,还要求你必须装。

好在政策也在慢慢调整。报告里列举了2020年上半年十几个省份出台的储能配建政策,从江西到湖南、新疆、内蒙古、河南、湖北、安徽、吉林、辽宁、山西、山东,普遍要求配10%-20%的储能容量,时长1-2小时。虽然还是强制性的,但至少说明各地已经意识到储能的必要性了。

延伸思考的话,你会发现一个更深层的问题:储能的收益模式到底该怎么设计?是让储能成为风电场的“成本项”,还是让它变成可以独立盈利的“资产”?目前大部分项目都是前者,这也是行业叫苦连天的根源。如果储能能参与电力现货市场、辅助服务市场,甚至通过容量电价获得稳定回报,那这台账或许就能算过来。但现实中,市场化改革还在路上,电力现货市场才刚刚起步,辅助服务的定价机制也不完善。所以,储能行业现在最需要的不是技术突破,而是一个能让它“自食其力”的市场规则。

这些问题的答案,藏在更完整的行业数据和政策脉络里。顺着这个方向再往深挖,会发现更有意思的东西。


本文内容整理自:《【专家PPT】风电场配套储能技术经济研讨_182584521241542.pdf》

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  1. CONNECT:[ UseTime:0.000411s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000830s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000416s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000272s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000475s ]
  6. SELECT * FROM `set` [ RunTime:0.000231s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000630s ]
  8. SELECT * FROM `article` WHERE `id` = 528576 LIMIT 1 [ RunTime:0.000423s ]
  9. UPDATE `article` SET `lasttime` = 1783241992 WHERE `id` = 528576 [ RunTime:0.029185s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000339s ]
  11. SELECT * FROM `article` WHERE `id` < 528576 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000704s ]
  12. SELECT * FROM `article` WHERE `id` > 528576 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000630s ]
  13. SELECT * FROM `article` WHERE `id` < 528576 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001536s ]
  14. SELECT * FROM `article` WHERE `id` < 528576 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.002075s ]
  15. SELECT * FROM `article` WHERE `id` < 528576 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.003948s ]
0.117223s