For a long time, the expansion of the US renewable energy industry has been accompanied by dependence on overseas supply chains, making it particularly vulnerable to risks. Now, under the impact of the Bigger & Better (OBBBA) Act, the previous policy shield has been removed, raising the importance of supply chain resilience to an unprecedented level. Establishing an independent, secure, and cost-effective domestic supply chain has gone from a bonus to a mandatory requirement. From solar panels to wind turbine hubs, US manufacturing is attempting to regain its dominance in this wave of industrial restructuring. This article will delve into the challenges and opportunities of US onshore manufacturing, analyzing how it can forge its own path to green industrial revival amidst cost pressures and technological competition.