Royal Decree 436/2004 brought together and consolidated the legal and economic regime relating to the production of electrical energy on a special basis, establishing the purchase guarantee by the electrical companies relating to renewable energy generated outside the system.

Thanks to this legal standard, the photovoltaic installations on roofs have become a sustainable business whose profitability was endorsed by the tariffs and premiums for electrical generation subsequently regulated in Royal Decrees 661/2007 and 1578/2008..

The activity of Sky Global in the field of photovoltaic roofs encompasses all the development stages:

As a complement of these activities, there is a business line also available for the rent of photovoltaic roof installations or its direct development.