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Page added on August 28, 2010
I recently ran across a story indicating that regulators in Arizona are considering implementing a feed-in tariff (FIT) for solar power in that state. This is somewhat ironic, coming as it does amidst a wave of hotly-debated reductions in European solar FITs, in response to the burden they’ve imposed on electricity customers and the unintended consequences they’ve created. With Germany, Spain, and now apparently France all slashing their FITs, it’s worth taking a look at how these policies differ from the US federal and typical state incentives for solar power, and why they might not be the best choice for promoting solar power here, particularly in places with solar resources as inherently attractive as Arizona’s.
As I’ve noted before, an FIT is effectively a tax, although imposed by utilities on ratepayers rather than by governments on taxpayers. It guarantees developers of renewable energy projects–usually for solar power–a predictable price for their output and thus a predetermined potential return on their projects, barring other project risks. Because these rates are normally fixed for long intervals, and only adjusted after much consultation and debate, they don’t make allowance for the kind of significant cost reductions they’re often intended to stimulate in the technologies to which they apply.
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