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Solar Grid Parity In 102 Countries (Map)

This article was originally published on RenewEconomy.

Here’s an interesting graph used by Suntech’s Stuart Wenham (sourced from Applied Materials) during a presentation at the Solar 2013 conference in Melbourne on Thursday. It highlights the extent of “grid parity” for solar PV across the world – it is now in 102 countries.

This definition of “grid parity” is the cost of rooftop solar versus the cost of electricity sourced from the grid – this is sometimes known as “socket parity.” Most of the countries – though not all – are those with good solar resources and relatively high electricity prices. Australia reached “socket parity” several years ago.

Wenham says that solar PV will fall a further 50% in costs up to 2020 – see our story today. He says that solar PV at a utility level will also challenge fossil fuels – as it already does in those with high gas and diesel costs, and will offer the cheapest avenue to countries which have little electricity infrastructure.

solar grid parity map


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is the founding editor of RenewEconomy.com.au, an Australian-based website that provides news and analysis on cleantech, carbon, and climate issues. Giles is based in Sydney and is watching the (slow, but quickening) transformation of Australia's energy grid with great interest.

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