Core Insights - The article highlights the commissioning of two long-duration energy storage power stations in Ningxia, namely Zhaoyuan First Energy Storage Station and Maiduo Mountain First Energy Storage Station, which are expected to enhance the consumption of renewable energy [1] Group 1: Energy Storage Systems - Long-duration energy storage systems can store energy and complete charge-discharge cycles within 4 hours, providing better balance in the power supply-demand relationship and enabling cross-time period adjustments [1] - Zhaoyuan First Energy Storage Station has a storage capacity of 400 MWh, consisting of 40 units of 5 MW/20 MWh, with each unit capable of a single charge-discharge of 400,000 kWh [1] - Maiduo Mountain First Energy Storage Station has a construction scale of 220 MW/880 MWh, achieving a single charge-discharge capacity of 880,000 kWh, setting a new record for storage capacity in the region [1] Group 2: Operational Metrics - Both energy storage stations have a charge-discharge time of 4 hours and an average of 250 charge-discharge cycles per year, totaling an annual charge-discharge of 320 million kWh [1] - Ningxia's total installed energy storage capacity has reached 5.41 million kW, with a year-on-year increase of 228% in new energy storage installations [1]