China to tackle curtailment with new PV monitoring system


The system will look at curtailment risk and provide guidance to prospective developers based on criteria such as site conditions, regional subsidy levels and local government support.

The information will help to shape the establishment of the government’s yearly PV installation quotas, according to an online statement. The authorities may reduce quotas for areas in which large amounts of solar capacity have gone to waste.

Bloomberg New Energy Finance (BNEF) has estimated that roughly 3.28 terawatt-hours of solar capacity was curtailed from the Chinese grid in 2016.

The curtailment of other clean-energy projects, including wind farms, has also been a significant problem for years. However, the NEA unveiled plans at the beginning of this year to facilitate CNY 2.5 trillion ($378.6 billion) of new investment in solar, wind, hydroelectric and nuclear power projects through the end of this decade.

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PV developers completed roughly 24.4 GW of solar projects in the first half of this year, according to NEA data. New capacity additions rose 9% year on year in the January-June period. The country’s cumulative PV installations reached about 77.8 GW at the end of 2016, according to the International Renewable Energy Agency (IRENA).

Last month, the NEA and the National Development and Reform Commission (NDRC) announced plans to set up a new wholesale market for distributed-generation (DG) electricity on a pilot basis in the first quarter of 2018. The NEA said that the government will assess the trading system, under which project owners will directly sell electricity to consumers, from the end of next June.

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