Comparative Econometric Analysis of Renewable Energy Policies in Smart Cities: A Case Study of Singapore and the UAE

This paper presents an econometric analysis to evaluate the economic, environmental, and social impacts of adopting renewable energy in the Smart cities of Singapore and the United Arab Emirates (UAE). Both countries have already invested heavily in clean energy and innovative urban projects, but they take different directions due to specific political, economic, and environmental factors. This study utilizes data spanning the period from 2000 to 2025 to estimate the effects of government policies, infrastructure investments, and technological advancements in renewable energy on economic growth, employment, energy use, and carbon emissions in these cities. The analysis employs panel data regression models and difference-in-differences (DiD) methods. This study finds that renewable energy investments in Singapore lead to a 0.32% increase in gross domestic product (GDP) growth and a 0.25% increase in employment in green sectors. In the UAE, investments in solar energy have led to a 0.29% increase in GDP growth; however, energy efficiency remains a significant challenge. The incorporation of public-private partnerships (PPPs) is shown to significantly enhance socio-economic outcomes, with a 12% increase in economic development and renewable sector jobs post-policy intervention. This study’s findings suggest that both Singapore and the UAE can benefit from strengthening public-private partnerships and focusing on innovative technological integration. For the UAE, expanding efforts in energy efficiency alongside scaling up solar infrastructure is essential. At the same time, Singapore can further optimize its existing renewable energy capacities through offshore wind energy and regional cooperation. This paper presents practical policy proposals to enhance the effectiveness of renewable energy policies in smart cities, specifically by maximizing the partnership between the state and the business sector, increasing investment in renewable energy infrastructure, and developing new technologies in energy storage and grid control. Future research could investigate the long-term socio-economic impacts of renewable energy policies on urban inequality, public health, and the global applicability of these findings to cities with diverse political and economic contexts.