"Department of Energy and Climate Change: Annual tables: 'Digest of UK energy statistics' (DUKES) - Chapter 6: Renewable Sources of energy".
الطاقة المتجددة في اسكتلندا "Renewable sources of energy" (PDF).  الوسيط |العنوان= تم تجاهله (مساعدة); الوسيط |المسار= تم تجاهله (مساعدة) "Department of Energy and Climate Change: Annual tables: 'Digest of UK energy statistics' (DUKES) - Chapter 6: Renewable Sources of energy".