The energy storage technology promotion activities targeted at non-industrial customers, including the city's six hospitals, five colleges and universities, eight design units, hotels and so on a total of 33. The theme of this event is "Energy Storage" - electricity is converted into heat energy by means of energy storage technology, stored at night and released during the day. On the day of the event, Sha Xuejuan, a full-time marketing executive of Changzhou Power Supply Company, briefed the customers who took part in the event. For customers implementing the power storage device, the company carried out the time-share price of the second-stage system, that is, from 8:00 am to 24:00 pm , The customer electricity is charged according to the usual electricity price; the energy storage device within 24 hours from midnight to 8:00 am the next day uses the electricity to be measured separately, and the difference between the electricity prices in the daytime and the daytime can reach 3 to 5 yuan (different electricity prices are different) . Attendees visited the energy storage device in the Jinling Hotel in Taihu Bay covering an area of ​​about 100 square meters, including two power frequency induction boilers and two auxiliary water tanks. According to reports, the hotel uses low-cost valley thermal storage for the hotel the day after tomorrow the use of hot water. This energy storage device not only solves the problem of how to avoid the waste of nocturnal trough, but also avoids the emission of carbon dioxide, sulfide and other pollutants, and even achieves the thermal conversion efficiency exceeding 100% (data measured ≥1.056). At present, Changzhou Crane Court Xindu district, textile and garment Vocational and Technical College have experienced the use of the general reaction is better. In response to questions raised by attendees regarding energy storage technologies, as well as issues such as the dual-circuit power supply and the above-mentioned expansion of electricity generation and cooling to reduce the high reliability costs of ice storage and electric boiler installations, Changzhou Power Supply Company answered all of them one by one.