Guidance on large-scale solar photovoltaic (PV)
With the continued growth of solar PV, and to aid further growth as the global energy system transitions to zero carbon, the Energy Institute (EI) recognised
Energy storage has a wide range of applications in various application scenarios of power systems and has been verified in engineering examples. The role of energy storage in the power generation side is mainly to improve economic and social benefits.
Solar photovoltaic (PV), which converts sunlight into electricity, is an important source of renewable energy in the 21st century. PV plant installations have increased rapidly, with around 1 terawatt (TW) of generating capacity installed as of 2022.
In order to guide the development of energy storage business model, it is recommended to improve policy formulation in terms of planning, technical standards, market and regulatory mechanisms. In the planning stage of the power system, the Chinese government should consider the safety, economic and social benefits of energy storage.
In addition, independent energy storage also has a preferential power generation incentive system. In December 2021, the Haiyang 101 MW/202MWh energy storage power station project putted into operation, and energy storage participated in the market model of peak regulation application ancillary services.
Through shared energy storage and other energy storage business models, the application scope of energy storage on the power generation side, transmission and distribution side, and user side will be blurred. And many application scenarios can realize the composite utilization of energy storage according to demand.
Application on the transmission and distribution side On the transmission and distribution side, the energy storage can provide reactive power support for the power grid, relieve line congestion, delay the expansion and upgrade of transmission and distribution, as a DC power supply for substations and perform secondary frequency modulation.

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