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Tax credits and solar tariffs affect timing of projected renewable power plant deployment

The timing and magnitude of adding wind- and solar-powered electricity generators to the U.S. grid are sensitive to federal policies, especially federal tax credits that are currently scheduled to expire or diminish by 2022. In addition to the Reference case of EIA’s latest Annual Energy Outlook 2018 (AEO2018), which reflects current laws and regulations, three side cases show the potential effects of extending or eliminating certain tax credits. These cases also show the effect of the recently approved tariffs on imported solar photovoltaic (PV) cells and modules