China’s renewable curtailment worsens amid grid delays
China’s solar and wind curtailment rates rose sharply in the first half of 2025, highlighting growing grid constraints amid record renewable additions. Solar curtailment reached 5.7 per cent, up from 3 per cent a year earlier. Wind rose to 6.6 per cent from 3.9 per cent, according to the National Energy Administration. Curtailment occurs when generated power cannot be delivered due to oversupply or transmission bottlenecks. Remote western provinces like Xinjiang and Qinghai, where generation…