The article discusses the need for sustainable energy development using renewable sources due to increasing energy demands. Currently, the world relies heavily on fossil fuels, but the shift towards renewable energy is necessary. Cost, market share, and policy barriers hinder the development of renewable energy. Developing countries face greater challenges in restructuring their energy sectors. Sustainable energy policies focus on economic, social, and industrial aspects. New technologies in renewable energy can help reduce environmental impacts and lead to more secure and cost-effective energy systems. Both wholesale and retail markets require new renewable energy solutions for a sustainable future.