西班牙工業部長于2010年7月20日分配了第三批補助基金，該基金將分配給848個新的光伏系統安裝注冊申請者。
這些新的光伏系統安裝量預估計在121.8MW，根據以前的分配情況和現在的遞減規則，新的第四輪2010年基金分配方案將根據光伏系統形式的不同分別為32.1967,28.6844,25.8602歐分每千瓦時。

20.07.2010: The Spanish Ministry of Industry (Ministerio de Industria) has allocated the third funding round for 2010 with the acceptance of 848 new applications for pre-allocation of incentives for electricity production through photovoltaic solar technology.
The new installations are expected to total 121.8 MW. Based on the capacity already allocated and the degression formula, the new incentives for the fourth funding round of 2010 will be 32.1967, 28.6844 and 25.8602 c?kWh for the installation types I.1, I.2 y II respectively.