Integrating Renewables in Jiangsu Province, China

Publication Type:
Journal Article
Citation:
Gas, 2015, 6 pp. 1 - 8
Issue Date:
2015
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Jiangsu province on the east coast of China currently generates the majority of its electricity from coal, resulting in high CO2 emissions and bad air quality. Current government plans would increase wind and solar photovoltaic capacity in Jiangsu to 10 GW each by 2020, covering just 5% of its electricity demand with renewable electricity. This paper describes modelling work carried out by Energynautics on behalf of Greenpeace East Asia, which shows how Jiangsu can achieve more ambitious targets for the integration of wind, solar and biomass generation by 2020 and thereby cover 14% of its electrical demand with locally-generated renewables. Simulations of the transmission network show that while some grid upgrades are necessary to integrate up to 30 GW wind capacity from coastal regions, over half of the necessary grid extensions can be avoided by using innovative new grid technologies, such as Dynamic Line Rating. Dynamic Line Rating allows network operators to raise the thermal capacities of transmission lines when there is extra cooling due to the wind, thus avoiding grid upgrades.
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