Journal
NATURE ENERGY
Volume 4, Issue 8, Pages 709-717Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/s41560-019-0441-z
Keywords
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Funding
- Swedish Knowledge Foundation (KK-stiftelsen) Future Energy Profile through the project iREST
- National Key Research and Development Program of China [2016YFE0102400]
- China Scholarship Council
- Swedish Knowledge Foundation (KK-stiftelsen) Future Energy Profile through the project FREE
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In recent years, China has become not just a large producer but a major market for solar photovoltaics (PV), increasing interest in solar electricity prices in China. The cost of solar PV electricity generation is affected by many local factors, making it a challenge to understand whether China has reached the threshold at which a grid-connected solar PV system supplies electricity to the end user at the same price as grid-supplied power or the price of desulfurized coal electricity, or even lower. Here, we analyse the net costs and net profits associated with building and operating a distributed solar PV project over its lifetime, taking into consideration total project investments, electricity outputs and trading prices in 344 prefecture-level Chinese cities. We reveal that all of these cities can achieve-without subsidies-solar PV electricity prices lower than grid-supplied prices, and around 22% of the cities' solar generation electricity prices can compete with desulfurized coal benchmark electricity prices.
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