Solar Costs Continue To Plunge Globally

Two stunning auction results in India and Chile in the last week have underscored the extraordinary gains that large-scale solar has made against its fossil fuel competitors.In both countries, solar is now clearly the cheapest option compared to new coal-fired power stations. In Chile, where the auction was open to all technologies, fossil fuel projects did not win a single megawatt of capacity. And the auction produced the lowest ever price for unsubsidised solar – US6.5c/kWh.In India, US firm SunEdison won the entire 500MW of solar capacity on auction in the state of Andhra Pradesh, quoting a record low tariff for India of INR 4.63/kWh (US7.1c/kWh). Again, this was unsubsidised. And again, it beats new coal generation, particularly generation using imported coal.

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