Renewable Energy Sources (RES) are part of the solution to tackle the global problems of climate change and carbon emissions. Programs and policies at different levels are continuing to promote new RES farms, posing a relevant challenge to regional planners and administrators: how to manage landscape transformation and territorial fragmentation to find a really effective sustainable arrangement for these kinds of technologies? Most effects induced by RES (land-use change, land take, diminishing aesthetic values, loss of habitat quality), without a doubt, depend on the location and the spatial pattern of the plants, the relative distance between them, the extension of secondary infrastructures and their technical characteristics. This work takes part in the debate, originating from the need to establish a monitoring system for this kind of new territorial transformation and discusses the implementation of a sprinkling fragmentation index (SPX) in order to assess the current regional settlement structure of RES farms. Our case study concerns the Basilicata region (in Southern Italy), a very low-density area which over the last decade has undergone a relevant increase in the installation of RES technologies, not supported by an effective planning framework. The evolution of the regional energy system has been strongly influenced both by incentive policies and by (weak) urban and territorial planning policies. This approach could be a valuable contribution both in identifying a fragmentation threshold beyond which the expected negative impacts outweigh the benefits, and in providing a useful procedure for the management of future installations.RES-related impacts already analyzed in recent scientific literature [5][6][7][8][9] are: change in land use, land take, natural habitat fragmentation, aesthetic impacts and micro-climate alteration.RES development is growing rapidly [10] and such a condition is one of the main causes of the lack of integration between energy planning (that in the Italian experience has been promoted without a clear analysis of the spatial dimension of the phenomena) and the urban and territorial planning system, traditionally unsuitable to be adapted in the short run to include arising instances that derive from new territorial transformation trends [11,12].At the moment, this type of transformation is regulated in a fragmented and sectorial way, with consequences that at a local level, risk being completely neglected and obscured by the global need to tackle climate change by reducing greenhouse gas emissions.Such an issue highlights the need for an integrated territorial monitoring system allowing decision makers to provide effective policy making and governance of a territorial transformation able to demonstrate the sustainability of the results from the dual perspective of both global needs and preservation of local values.This work fits into the debate by testing the sprinkling index (SPX) [13], which has already been successful in representing the territorial fragmentation thanks to a di...