The economic use of centralized photovoltaic power generation — Grid
Actually, the cost of both photovoltaic hydrogen production and photovoltaic energy storage is relatively high. Therefore, photovoltaic power generation companies need to focus
The economic scheduling of energy storage and storage, and energy management of power supply systems can effectively reduce the operating costs of photovoltaic systems . The second issue is the scientific planning and construction of photovoltaic energy storage.
When combined with Battery Energy Storage Systems (BESS) and grid loads, photovoltaic (PV) systems offer an efficient way of optimizing energy use, lowering electricity expenses, and improving grid resilience.
Without considering photovoltaic hydrogen production and energy storage, the main profit of photovoltaic power generation enterprises comes from grid connection, but it is limited because the characteristics of power generation and technological level. At this point, the maximization of value has not been achieved.
Finally, this study takes the data of a photovoltaic power station in Shanghai as an example for calculation, and the results show that photovoltaic grid connection is currently the main source of benefits, blindly increasing energy storage and hydrogen production is uneconomical.
The 2020 Cost and Performance Assessment analyzed energy storage systems from 2 to 10 hours. The 2022 Cost and Performance Assessment analyzes storage system at additional 24- and 100-hour durations.
Grid connection is the main source of profit for photovoltaics, but the amount of electricity that can be connected to the grid is limited, most newly built photovoltaic projects in China's provinces and cities have already achieved grid parity, and the future grid electricity prices may be even lower.

Actually, the cost of both photovoltaic hydrogen production and photovoltaic energy storage is relatively high. Therefore, photovoltaic power generation companies need to focus
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