通过离网电气化技术改善能源获取,气候和社会经济成果:系统性审查
Cem Yavuz1,2, Zafeer Ravat1,2, María Daniela Anda León1
1International Initiative for Impact Evaluation (3ie) London UK.
Campbell systematic reviews
|August 18, 2025
概括
离网可再生能源干预措施显示出增加能源获取和改善社会经济成果的前景,特别是在撒哈拉以南非洲. 然而,证据质量往往很低,这凸显了需要更严格的研究和特定环境的方法.
科学领域:
- 可持续能源 可持续能源
- 发展经济学 发展经济学
- 公共政策 公共政策
背景情况:
- 实现可持续发展目标7 (SDG7) 的进展失误,数百万人缺乏电力,特别是在撒哈拉以南非洲.
- 分散的可再生能源或离网电气化提供了一个可行的解决方案,可以弥合这一能源获取差距.
- 对干预有效性的全面理解对于指导未来的可持续能源倡议至关重要.
研究的目的:
- 在低收入和中等收入国家系统审查对离网电气化干预措施影响的严格证据.
- 评估不同类型的干预措施 (直接提供,市场扩张,补贴/信贷,信息) 对能源获取,气候和社会经济成果的有效性.
- 确定影响这些干预措施成功的挑战和促进者.
主要方法:
- 系统搜索18个学术数据库和29个灰色文献来源,补充了引用跟踪和专家咨询.
- 包括实验性和准实验性影响评估,以及自2000年以来发表的定性研究.
- 量化数据的元分析和定性发现的专题分析,以综合干预有效性和上下文因素的证据.
主要成果:
- 干预措施显著减少了煤油的使用,增加了离网技术的采用,对能源获取产生了很小的积极影响.
- 在收入,学习时间和妇女赋权方面观察到积极的,虽然很小的效应;然而,在研究时间方面注意到了出版偏差.
- 定性调查结果强调了财政支持,当地参与以及有效的信息/营销策略对干预成功的重要性. 在证据库中注意到存在偏见的高风险.
结论:
- 电网之外的电气化干预措施可以对能源获取和社会经济发展产生积极影响,但证据质量需要谨慎解释.
- 财政支持和当地参与是关键的促进因素,而信息提供需要进一步调查.
- 未来的研究应该优先考虑各种背景中的高质量研究,并专注于具体的干预影响,以填补现有的证据缺口.
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