Wind turbine prices range dramatically from $700 for small residential units to over $20 million for the largest offshore turbines, with total project costs varying significantly based on size, location, and installation complexity. In windy areas, turbine wind generators make an excellent backup power source for off-grid solar systems. How does Grid-Tied battery backup work? What types of batteries are there for Off-Grid? Is DIY solar right for me?Whether you're looking to power your home, farm, or remote cabin, we have a wide range of options to suit your specific needs. Explore our collection and join the movement towards a greener future today. The "null" is not available. As Solar and Wind Charge Controller which can Add Max 500W Solar Panel for 12V Battery. Ecoflow is. PVMars lists the costs of 1kW 3kW 5kW solar wind turbines here (Gel battery design). If you want the price of a lithium battery design, please click on the product page of the corresponding model to find out.