The answer ranges from hundreds of thousands to several million dollars per blade, depending on size, materials, and application. But the real cost story doesn't end there. The following sections present practical pricing in USD with low, average. But for operators, investors, and engineers, one critical question often arises: how much does a wind turbine blade cost? The answer is not straightforward. In this detailed guide, we'll explore the factors influencing blade. Per blade costs: low $250,000; average $375,000; high $600,000. Estimated price. Windmill blade pricing typically ranges from about $5,000 to $40,000 per blade for common residential and commercial wind projects, with total project costs commonly landing between $15,000 and $70,000 per turbine depending on blade count and installation complexity.