Home Solar Power Guide How much would a solar power home cost?

How much would a solar power home cost?

I recently bought a new house, it is well furnished but I am not satisfied with the house plans. I want to make it more Eco friendly. My concern is with the plan which will guide me how to make an environment friendly house. Does anyone know the cost of solar power home? Please help if anyone knows? It will be great to hear from an expert.