If you ever believed about using solar panels as a source of power than for a fact you would have questioned how much photo voltaic panels cost. The solution that everybody concludes to is, that yes, they are truly costly to purchase and set up. Why? Because a great deal of specialized engineering and materials are used in the process of designing the PV cells, therefore there are higher expenses. With the economy the way they are, there have been higher needs for an option sources of energy.