再生可能エネルギー統合における電力網の課題を包括的に分析(Researchers Survey the Challenges of Integrating Wind and Solar Into Power Grids)

2026-04-17 ジョージア工科大学(Georgia Tech)

米国のジョージア工科大学の研究は、風力・太陽光発電の電力網への統合に伴う課題を調査した。再生可能エネルギーは発電量が天候に左右されるため出力が不安定であり、需給バランス維持や周波数制御が難しい点が大きな障害とされる。また、送電インフラの不足や蓄電技術の未成熟、規制や市場設計の遅れも統合を阻む要因として指摘された。さらに、地域間での電力融通やデータ活用の高度化も重要課題である。研究は、蓄電システムの導入、スマートグリッド技術、柔軟な市場制度の整備などを組み合わせることで、再生可能エネルギーの大規模導入を実現できると結論づけている。

再生可能エネルギー統合における電力網の課題を包括的に分析(Researchers Survey the Challenges of Integrating Wind and Solar Into Power Grids)
To fully integrate renewables like solar and wind in to the power grid, policy experts, engineers, and economists will have to work together.

<関連情報>

限界費用ゼロの間欠性再生可能エネルギーの管理:工学、経済、政策上の課題に関する調査 Managing zero-marginal-cost, intermittent renewable energy: A survey of the engineering, economic, and policy challenges

Matthew E. Oliver, Oliver Chapman, Santiago Grijalva, Daniel C. Matisoff, Maghfira Ramadhani, Amanda West
Renewable and Sustainable Energy Reviews  Available online: 4 October 2025
DOI:https://doi.org/10.1016/j.rser.2025.116334

Highlights

  • Literature on management of zero-marginal-cost, intermittent renewable energy is reviewed.
  • Review structured around engineering, economic, policy approaches to renewable integration.
  • Distinctions are made between short-run versus long-run challenges for electricity systems.
  • Cross-disciplinary discussion identifies linkages, commonalities, and gaps in existing research.
  • Recommendations are made for better harmonizing research across disciplines.

Abstract

The integration of renewable generation such as solar and wind is crucial to achieving decarbonization objectives. This paper provides a survey of engineering, economics, and policy challenges associated with this integration, focusing primarily on the dual problems of zero-marginal-cost generation and intermittency. From the engineering perspective, we describe challenges in the operation and planning stages of electric power systems faced with increasing renewable penetration. We review the economic challenges for restructured electricity markets and highlight important implications for energy policies designed to promote growth and spur innovation in the renewable energy sector. We argue that the engineering, economic, and policy aspects of managing zero-marginal-cost, intermittent renewable energy cannot be decoupled—these challenges are inexorably linked. Hence, we describe how these three fields must work together to understand the key interactions that will make the transition to a low-carbon energy landscape a success.

0401発送配変電
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