The average solar energy system size in the U.S is approximately 5 kilowatts (kW). Based on the average price of $3.36/watt, a 5kW system would cost $11,760 after tax credits. Below are some average 2015 quotes for other solar energy systems by size: 6kW solar energy system cost: $15,000. 8kW solar energy system cost: $20,000.
Pros: 1  Economical option. Homeowners appreciate the sleek appearance of an asphalt-paved driveway at a lower cost than concrete or paver surfaces. 2  Flexible in extreme climate conditions. Asphalt driveways typically cost $2 - $5 per sq foot to install - more than gravel, but much less than many other options. 3  Long lifespan.
Provide a few details about your project and receive competitive quotes from local pros. The average national cost of a driveway installation is $3,647, with most homeowners spending between $2,026 and $5,278. This data is based on actual project costs as reported by HomeAdvisor members. If you're thinking about installing a driveway, it's important to consider a couple of different things.