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Viability of Residential Battery Storage as an Instrument to Manage Solar Energy Supply Variability: A Techno-Economic Assessment

住宅用バッテリー貯蔵の太陽エネルギー供給変動管理手段としての実現可能性：技術経済評価 (AI 翻訳)

W. Naworyta, R. Uberman

Energies📚 査読済 / ジャーナル2026-04-24#再生可能エネルギーOrigin: EU
DOI: 10.3390/en19092060
原典: https://doi.org/10.3390/en19092060

🤖 gxceed AI 要約

日本語

本論文は、温帯気候における住宅用太陽光発電とバッテリー貯蔵の経済的実現可能性を評価。ネットメータリングからネットビリングへの移行後、季節的な発電と需要のミスマッチが収益性を制限することを明らかにした。

English

This paper assesses the techno-economic viability of residential battery storage paired with solar PV in temperate climates. It finds that seasonal mismatch between generation and demand limits economic profitability under net-billing schemes, despite increased self-consumption.

Unofficial AI-generated summary based on the public title and abstract. Not an official translation.

📝 gxceed 編集解説 — Why this matters

日本のGX文脈において

日本のFIT制度終了後の自家消費型太陽光モデルに関連するが、温帯気候のケーススタディであり、日本の気候条件とは必ずしも一致しない。日本の政策担当者や家庭用蓄電池市場関係者への示唆を含む。

In the global GX context

Globally, this study provides empirical evidence on the economic limits of residential batteries in net-billing regimes, relevant for jurisdictions transitioning from feed-in tariffs. It highlights the need for seasonal storage or demand-side management.

👥 読者別の含意

🔬研究者:Provides a methodological framework for economic assessment of PV-battery systems in temperate climates.

🏢実務担当者:Offers insights for solar installers and energy consultants on the limited profitability of residential storage under net-billing.

🏛政策担当者:Informs energy policy design on the effectiveness of net-billing vs. net-metering for promoting storage.

📄 Abstract（原文）

The rapid growth of residential photovoltaic (PV) installations has increased interest in electrical storage units (ESUs) as a means of enhancing self-consumption and reducing surplus electricity fed into the grid. However, in temperate climates characterized by strong seasonal variability in solar generation, the economic viability of residential battery storage remains uncertain. This study examines whether ESUs provide measurable financial benefits under such climatic conditions, particularly after the transition from net-metering to net-billing schemes. The analysis combines empirical household electricity consumption data with simulation-based modeling of PV–battery operation. Periods of surplus energy production during high solar generation were taken into account, as well as periods of increased energy demand in the winter season and technical limitations related to energy storage, including the difference between actual and nominal capacity of energy storage systems. The results indicate that although battery storage increases self-consumption and reduces grid injection during peak generation periods, its economic performance is limited by the seasonal mismatch between electricity production and demand. Consequently, under net-billing conditions, residential ESUs do not automatically ensure economic profitability in temperate climates.

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