All in all, these alternative foundation designs represent a savings of anywhere from $250,000 to $400,000 per foundation depending upon site conditions and turbine size. The P&H foundations use 70 percent less concrete and requires 80 percent less earthwork when excavating. . Dramatic Cost Range: Wind turbine costs span from $700 for small residential units to over $20 million for offshore turbines, with total project costs varying from $10,000 to $4,000+ per kW installed depending on scale and location. Commercial Projects Offer Best Economics: Utility-scale wind. . Although wind turbine generators, transmission lines, and land costs are generally fixed, tower foundations can be unpredictable, leading to unexpected expenditures. − Data and results are derived from 2023 commissioned plants. . on of wind-turbine foundations. For each type, it can be both in round shape or in octagon shape.
