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<p>In response to climate change, Ireland aims to increase renewable energy generation, with solar photovoltaics (PV) playing a key role. This study investigates whether installing solar PV in Irish homes encourages further energy retrofitting, using a comprehensive dataset of over 375,000 retrofits. The research compares the impact of solar PV installations with that of roof insulation and heating controls upgrades on subsequent retrofit, employing chi-square tests and survival analysis. The findings reveal that solar PV installation is not significantly associated with subsequent retrofitting. While solar PV contributes to renewable energy adoption, it does not effectively drive the comprehensive energy efficiency improvements needed to meet Ireland’s climate targets. The study highlights the need for integrated energy strategies that prioritize both renewable technology adoption and holistic energy performance upgrades, such as insulation and heating system retrofits.</p>

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Analyzing solar installations: a catalyst or barrier to subsequent residential retrofits?

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年1月7日

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  • Marek Bohacek

摘要

In response to climate change, Ireland aims to increase renewable energy generation, with solar photovoltaics (PV) playing a key role. This study investigates whether installing solar PV in Irish homes encourages further energy retrofitting, using a comprehensive dataset of over 375,000 retrofits. The research compares the impact of solar PV installations with that of roof insulation and heating controls upgrades on subsequent retrofit, employing chi-square tests and survival analysis. The findings reveal that solar PV installation is not significantly associated with subsequent retrofitting. While solar PV contributes to renewable energy adoption, it does not effectively drive the comprehensive energy efficiency improvements needed to meet Ireland’s climate targets. The study highlights the need for integrated energy strategies that prioritize both renewable technology adoption and holistic energy performance upgrades, such as insulation and heating system retrofits.