40 OF THE POPULATION LACKS GRID ELECTRICITY ACCESS
Peak-valley electricity price difference energy storage system
In terms of economic optimization, the core economic indicators for energy storage configuration depend on three main variables: 1) Peak-valley price difference (δp): the larger the difference, the greater the arbitrage potential for energy storage; 2) Limit electricity rate (γ): for every 1% increase in limit rate, project revenue decreases by approximately 0.02 RMB/kWh; 3) The cost of the energy storage system itself. [pdf]
Safety requirements for grid connection of energy storage power stations
This document specifies the general requirements for connecting electrochemical energy storage station to the power grid and the technical requirements of power control, primary frequency regulation, inertia response, fault ride-through, operational adaptability, power quality, relay protection and automatic safety device, dispatching automation and communication, simulation models and for test and assessment of connecting to the power grid. [pdf]
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