ECA are advising Ofgem on potential changes to their guidance relating to renewables generators located outside UK who seek accreditation for Levy Exemption Certificates (LECs). These generators must demonstrate to Ofgem that the energy they generate can feasibly have been sold to UK consumers. We are analysing the various contractual evidences available in a sample of European markets and in the target European market model to evaluate robust evidence that can be used including where energy has been sold through power exchanges and through market coupling arrangements. Our advice is on potential changes to Ofgem’s published Guidance.