Group 1 - The basic electricity fee constitutes a significant portion of the electricity cost for enterprises, and changing the billing method has introduced many uncertainties [1] - The State Grid Lanzhou New Area Power Supply Company is providing tailored energy efficiency diagnostics and comprehensive energy services to enterprises in the region, aiming to reduce energy costs [1][3] - The current billing method based on capacity is not suitable for enterprises with significant load fluctuations, particularly during low-load periods, indicating a substantial optimization opportunity [3] Group 2 - A proposed change to billing based on actual maximum demand would significantly reduce basic electricity fees during low-load periods and improve equipment utilization rates for enterprises [3] - The energy efficiency service team has visited 73 enterprises, promoting optimized electricity usage plans and helping them save on electricity costs through strategic pricing adjustments and peak-valley electricity regulation [3] - The company plans to continue enhancing its service quality and support local economic development by implementing national policies aimed at reducing energy costs for the real economy [3]