This study examines the evolving role of USA community banks in financing renewable energy (RE) projects, investigating how these institutions have adapted their traditional lending practices to support clean energy initiatives. The research aims to analyze the integration of Environmental, Social, and Governance (ESG) factors into community bank lending decisions, identify key drivers and barriers influencing their participation in renewable energy financing, and assess the broader socioeconomic and environmental impacts of their involvement in the clean energy transition. The study employs a mixed-methods approach combining document analysis of policy frameworks and financial data, industry trend analysis, and examination of community bank lending portfolios. The research methodology includes analysis of regulatory changes, policy incentives, and their impact on community bank lending behaviors, alongside assessment of financing patterns across different renewable energy project types and geographic regions. Data sources encompass federal banking regulations, industry reports, community bank financial statements, and renewable energy project financing records. The research reveals that community banks have increasingly integrated ESG considerations into their lending practices, driven by factors including community relations enhancement, brand reputation building, regulatory compliance, and policy incentives. Community banks demonstrate significant advantages in renewable energy project financing, particularly in rural areas, due to their strong local relationships, understanding of regional market conditions, and ability to provide flexible financing solutions during relevant project development phases. However, the study identifies persistent challenges, including limited technical expertise in evaluating renewable energy projects, complex regulatory frameworks, and inadequate risk assessment tools. The analysis confirms substantial environmental benefits from community bank-financed renewable energy projects, including measurable carbon emission reductions, enhanced local energy security, job creation, and strengthened community resilience. Notwithstanding these positive outcomes, the research highlights the need for improved technical capacity building and more sophisticated risk management frameworks. In conclusion, Community banks play a significant role in advancing clean energy goals across the United States, particularly in underserved rural markets where traditional financial institutions have limited presence.