Group 1 - The article discusses the cost-saving measures implemented by Jinchang High Energy Environmental Technology Co., Ltd. by adjusting their electricity billing method from capacity-based to actual maximum demand-based, resulting in savings of over 20,000 yuan per month [1] - The company is located in the Jinchang Economic and Technological Development Zone and focuses on the comprehensive utilization of hazardous waste, specifically low-nickel high-sulfur anode mud and copper-nickel-containing solid waste, using advanced extraction and smelting processes to recover valuable metals [1] - The company initially planned to increase production capacity by upgrading their transformer from 19,750 kVA to 21,000 kVA but found that their electricity costs increased despite not implementing the production increase, indicating a mismatch between transformer capacity and actual production needs [1] Group 2 - Since 2025, Jinchang Company has been conducting special electricity inspections and visits in the industrial park to understand customer electricity needs and ensure safe electricity usage, providing tailored energy-saving solutions and optimizing basic electricity billing methods [2] - The power supply personnel utilize three-phase energy meters and professional equipment to analyze power quality and guide companies in conducting comprehensive safety checks on their electrical facilities, identifying and rectifying potential safety hazards [2] - Jinchang Company has visited 175 enterprises in the industrial park and identified six safety hazards, promoting solar power generation and the "Online State Grid" APP to enhance energy efficiency and support local economic development [2]