6. Discussion
Getting renewable energy policy right is not an easy task.
Effective policy must consider many factors, addressing multiple
barriers and requiring different instruments to be applied simutaneously whilst avoiding overspending and conflicts with multple stakeholders and maintaining political support. There is a
need to be able to identify and satisfy the particular support
needs of disparate technologies and preferably to get it right first
time to avoid financial and political costs. Attention must be paid
as to when one instrument should give way to another and when
a technology should be abandoned.