Is this the normal price for a solar install in the US? In Australia it's ~$7000AU (~$4000 US) for a system like this, unsubsidized - then we have a 400$/kWh s

Is this the normal price for a solar install in the US? In Australia it's ~$7000AU (~$4000 US) for a system like this, unsubsidized - then we have a 400$/kWh subsidy. Our 10kW solar system was $4000AU installed, and the payback period is 2-3 years...