Research Database

This study investigates the process of solar photovoltaic adoption among 234 residential households in the Philippines using the stage model, which assumes adoption as a process of transition along three stages: no interest, under consideration, and installation.

Solar energy is a renewable source that can help the Association of Southeast Asian Nations (ASEAN) region realise its 23% renewable energy target by 2025. However, its development is slow due to a lack of awareness and funds. Many financial institutions are willing to invest in renewable energy projects, but data reliability has been a concern. Approaches that can be used to gather and to analyse data, therefore, should be identified to attract investors towards renewable energy. Quantitative analyses could also help governments more accurately develop reusable energy plans and integrate the procurement of reliable renewable energy systems into them. This study aims to provide a comprehensive assessment of the environmental and economic impacts of various types of solar photovoltaic (PV) systems (e.g., stand-alone, rooftop, and solar farm) by using sustainable quantitative approaches, such as life-cycle analysis and life-cycle cost analysis. Data normalisation was also conducted to compare the performance of each system. It was found that the solar PV rooftop system has the lowest greenhouse gas emissions, life-cycle cost, and levelised cost of energy. This study then offers policy recommendations to attract high, sustainable green investment to the region.