Households’ Preferences for Alternative Renewable Energy Technologies: An Attribute-based Choice Experiment Survey in Metro Manila, Philippines

A choice-based conjoint analysis measured Metro Manila households' willingness to pay (WTP) for increased shares of renewable energy (RE) sources—solar, wind, biomass, and small-scale hydropower. The study found the highest WTP for solar power at 19.3% of their electricity bill for a 20% increase in capacity, followed by lower preferences for biomass (11.9%), wind (10.5%), and small-scale hydropower (9.8%). The strong preference for solar aligns with the government’s RE plan, which prioritizes solar expansion. The findings highlight the potential to diversify RE sources beyond traditional geothermal and large-scale hydropower, with biomass showing promise for waste-to-energy projects. The study recommends targeted information campaigns to boost public awareness of lesser-known RE technologies, particularly among high-income households and female household heads.

Dr. Rosalina P. Tan is a Professor at Ateneo de Manila University, specializing in Environmental & Natural Resource Economics, Health Economics, and Behavioral Economics. She holds a Ph.D. from Sophia University and has dedicated her research to exploring the intersection of economic policies and sustainable development. Professor Tan's work contributes to advancing economic strategies that address environmental challenges and public health concerns.

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