当前位置:首页>学习笔记>ISO 14064-1学习笔记03:识别温室气体排放源——我在昭觉风电项目看到了什么

ISO 14064-1学习笔记03:识别温室气体排放源——我在昭觉风电项目看到了什么

  • 2026-04-20 12:02:52
ISO 14064-1学习笔记03:识别温室气体排放源——我在昭觉风电项目看到了什么

一、标准原文说什么

ISO 14064-1 要求组织识别并量化其温室气体排放源

  • 排放源:任何将温室气体释放到大气中的物理单元或过程。

  • :从大气中清除温室气体的物理单元或过程(如森林、土壤)。

标准规定的温室气体包括七大类:二氧化碳(CO₂)、甲烷(CH₄)、氧化亚氮(N₂O)、氢氟碳化物(HFCs)、全氟碳化物(PFCs)、六氟化硫(SF₆)、三氟化氮(NF₃)。

识别排放源时,要按范围1/2/3分类,并区分直接排放(组织拥有或控制的源)和间接排放(组织的活动导致但发生在其他组织边界内的源)。

二、举个例子:我在昭觉风电项目看到了什么

我在昭觉县四开镇4.85万千瓦分散式风电项目做过现场经理。风机立起来之后,我站在山头上看那8台6.25兆瓦的机组转动,叶片97.3米长。

如果用ISO 14064-1的框架重新审视这个项目的排放源:

范围1(直接排放)

  • 施工期:吊车、运输车辆、发电机烧柴油——排CO₂、CH₄、N₂O。

  • 运营期:风电机组本身不燃烧燃料,几乎没有范围1排放。只有少数情况:备用柴油发电机试机、运维车辆上山。

范围2(间接排放,来自外购电力)

  • 升压站、办公楼用的电——来自电网。电网电以煤电为主,这部分间接排放可能占比不小。

范围3(其他间接排放)

  • 上游:风机叶片、塔筒、基础钢材的制造排放;设备运输上山过程中的排放。

  • 下游:废弃叶片的处理(风机叶片是复合材料,难以回收,填埋或焚烧会产生排放)。

  • 其他:员工通勤、差旅等。

  • 风电项目本身不是汇,但它替代了煤电,相当于“避免排放”。标准里这种算减排量,不算汇。汇专指森林、土壤等吸收CO₂的自然系统。

当时在现场,我只盯着工程进度和安全质量。从来没想过:这个风电项目最大的碳效益不是“不排”,而是“替代”——每一度绿电替代一度煤电,就避免了约0.8千克CO₂的排放。

三、学以致用:我在现场可以怎么用

以后再参与新能源项目,我会在前期就问清楚:

  1. 哪些排放源在我控制范围内? 施工期的柴油消耗、运营期的用电、退役后的叶片处理,都要提前规划。

  2. 如何量化替代效益? 不是所有绿电都能算“减排”——只有替代了基准线(如当地电网的碳排放因子)的部分才能算。

  3. 范围3里哪些是重点? 风机叶片的生产和退役往往是最大的范围3排放源。有没有办法选用可回收材料?有没有叶片回收方案?

四、本节要点速览

  • 排放源要按范围1/2/3分类识别,汇是吸收CO₂的自然系统。

  • 新能源项目(风电、光伏)范围1排放极少,但范围2和范围3不可忽视。

  • 替代效益(绿电替代煤电)是新能源项目最大的碳价值,需要正确量化。

  • “不排”和“替代”是两回事,标准里都有对应的方法。

下一篇笔记预告:从“源”到“算”——量化方法的选择。

#碳路者实战笔记 #ISO14064 #碳核算 #备考CCAA #风电项目 #排放源识别

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  1. CONNECT:[ UseTime:0.000537s ] mysql:host=127.0.0.1;port=3306;dbname=no_67808;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000764s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000361s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000285s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000500s ]
  6. SELECT * FROM `set` [ RunTime:0.000198s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000570s ]
  8. SELECT * FROM `article` WHERE `id` = 482385 LIMIT 1 [ RunTime:0.000480s ]
  9. UPDATE `article` SET `lasttime` = 1776717480 WHERE `id` = 482385 [ RunTime:0.008653s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000252s ]
  11. SELECT * FROM `article` WHERE `id` < 482385 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000414s ]
  12. SELECT * FROM `article` WHERE `id` > 482385 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.002854s ]
  13. SELECT * FROM `article` WHERE `id` < 482385 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000867s ]
  14. SELECT * FROM `article` WHERE `id` < 482385 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.002709s ]
  15. SELECT * FROM `article` WHERE `id` < 482385 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001235s ]
0.088679s