The volume of a prism is the product of the area of the base and the distance between the two base faces, or the height (in the case of a non-right prism, note that this means the perpendicular distance).
In 2017, most homeowners are paying between $2.87 and $3.85 per watt to install solar, and the average gross cost of solar panels before tax credits is $16,800. Using the U.S, average for system size at 5 kW (5000 watts), solar panel cost will range from $10,045 to $13,475 (after tax credits). Thatâs nine percent lower than it was a year ago, and solar panel system costs are continuing to fall.
Installation of corrugated PVC roof panels at an average of $12 - $15 per panel will cost around $450 plus the labor to install them. Electrical installation may be from as little as $250 for a single external outlet and light, or more if you require additional outlets or anything other than basic lighting.nstallation of corrugated PVC roof panels at an average of $12 - $15 per panel will cost around $450 plus the labor to install them. Electrical installation may be from as little as $250 for a single external outlet and light, or more if you require additional outlets or anything other than basic lighting.