The article examines how market demand, technology advancements, and government policies affect the use of renewable energy. By analyzing data from 28 OECD countries over 34 years, the study uncovers the impact of these factors on how much renewable energy is used. They found that market conditions, policies, and technology improvements significantly influence how renewable energy is utilized in different countries. This research delves into the intricate relationship between demand, innovation, and government support in shaping the adoption of renewable energy sources, shedding light on key drivers for sustainable energy development worldwide.