Economics and Finance
With the market structures and prices which have prevailed in the past photovoltaics has not been able to compete directly in the bulk electricity market. It has relied on support mechanisms such as feed-in tariffs, renewable portfolio standards, loan guarantees and tax credits.
Recently costs have declined strongly towards grid parity, where it is becoming a viable source of mainstream power.
Read more about this topic: Photovoltaic Power Stations
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