新型电力系统下电网企业有效资产运营效率评估

doi:10.11930/j.issn.1004-9649.202209033

摘要/Abstract

摘要： 新型电力系统加速建设为电网企业资产管理带来一定的挑战，而实现资产运营效率的精确评估是提高电网企业资产管理水平的首要条件。首先，分析新型电力系统建设对电网企业有效资产运营的影响，并构建电网有效资产运营效率评估的投入产出指标体系；然后，考虑到新能源发电及电价补贴政策等不确定因素会造成统计数据难以准确体现电网企业投入产出效率的真实情况，基于鲁棒优化思路和对偶理论对传统数据包络分析方法（data envelopment analysis，DEA）模型进行改造，构建了考虑非期望产出和投入产出不确定的鲁棒DEA模型；最后，选取25个电网企业进行模型应用。结果表明，鲁棒DEA模型的效率排序准确率比传统DEA模型提高60个百分点，可有效应对不确定环境，实现了新型电力系统背景下电网企业有效资产运营效率的准确测算，能够为电网企业资产管理提供决策依据。

关键词: 资产运营效率, 新型电力系统, 不确定性, 非期望产出, 鲁棒DEA模型

Abstract: The accelerated construction of new power system brings challenges to the asset management of power grid enterprises, and the accurate evaluation of asset operation efficiency is the first condition to improve the asset management level of power grid enterprises. Firstly, this paper analyzes the impact of the new power system on the effective asset operation of power grid enterprises, and constructs an input-output index system for the evaluation of the effective asset operation efficiency of power grid enterprises. Secondly, considering that the uncertainty of new energy generation and electricity price subsidy policy will make it difficult for statistical data to accurately reflect the real situation of input-output efficiency of power grid enterprises, this paper modifies the traditional DEA model based on the robust optimization idea and dual theory, and constructs a robust DEA model that takes into account the unexpected output and input-output uncertainty. Finally, 25 power grid enterprises are selected for model application. The results show that the efficiency ranking accuracy of the robust DEA model is 60 percentage points higher than that of the traditional DEA model, which can effectively deal with uncertain environments, achieve the accurate calculation of the effective asset operation efficiency of power grid enterprises in the context of new power system, and provide a decision-making basis for asset management of power grid enterprises.

Key words: asset operation efficiency, new power system, uncertainty, unexpected output, robust DEA model

叶颖津, 林玲, 阮迪, 张诗鸣, 林红阳. 新型电力系统下电网企业有效资产运营效率评估[J]. 中国电力, 2023, 56(6): 185-193.

YE Yingjin, LIN Ling, RUAN Di, ZHANG Shiming, LIN Hongyang. Effective Asset Operation Efficiency Assessment of Power Grid Enterprises in Context of New Power System[J]. Electric Power, 2023, 56(6): 185-193.

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链接本文: https://www.electricpower.com.cn/CN/10.11930/j.issn.1004-9649.202209033

https://www.electricpower.com.cn/CN/Y2023/V56/I6/185

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