The document discusses Thailand's energy policy and planning aimed at achieving sustainability through a diversified fuel mix, increased renewable energy use, and enhanced energy efficiency from 2015 to 2036. It outlines key strategies to secure energy supply, ensure fair pricing, and promote conservation, emphasizing a 'trilemma' of ecology, economy, and security. The comprehensive energy plans include improvements in power generation infrastructure, demand management, and regulatory frameworks to support energy development and consumer protection.