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.
Parking Curbs. Ideal for home, apartment building, parking lots-Braham Precast Step Company can manufacture and deliver any quantity. Each curb measures 10 wide and 6 high. 7-foot curbs are $40 each plus delivery. 8-foot curbs are $58 each plus delivery. $6 each to set in place (not installed). Installation on blacktop is $30 each plus pins and curb. Installation on concrete is $35 each plus pins and curb. The delivery charge is $150. Anchoring pins are available. They measure 12 long, 5/8 diameter. $4.75 each.