In Spain,thenecessarygrowthcontainmentofgreenhousegas
emissions setbytheKyotoProtocol [2] and, thecomplianceofthe
objectivestatedintheWhiteBookoftheEuropeanUnion [3],
werethemainreasonswhytheso-calledPlanofPromotionofthe
RenewableEnergies(PLAFER) [4] wascreatedinordertoencou-
ragetheuseofrenewableenergy.Amongthedifferenttypesof
renewableenergy,photovoltaicsolarenergyisprovingreliable
and, althoughithasnotreachedsufficient maturity,significant
efforts arebeingmadeintechnologyresearchpointingtoward
lowermanufacturingcostsandhigherefficiencies [5,6].