A $2.2 billion solar thermal power plant in California was shut down after years of underperformance, with critics stating it “never lived up to its promises.” Designed to provide clean energy using mirrors and heat towers, the plant struggled with efficiency and maintenance costs. Despite heavy investment, the project produced less power than expected and became financially unsustainable—highlighting the risks of large-scale experimental energy projects. Important Details: • Cost over $2.2 bill