解密“超阶”零碳大楼

Core Insights - The "Ultra-Stage" zero-carbon office building in Qingdao, operated by Teld New Energy Co., integrates advanced technologies to achieve energy self-sufficiency and flexible power delivery to the grid, positioning it as a benchmark for carbon neutrality and new power systems in China [1][2][4] Group 1: Building Features and Technology - The building features photovoltaic glass that generates green electricity, with a total area of approximately 4,750 square meters, expected to produce around 400,000 kWh annually [2][3] - It incorporates ten advanced technologies, including BIPV (Building-Integrated Photovoltaics), tiered energy storage, V2G (Vehicle-to-Grid), and smart microgrid systems, enabling it to achieve energy self-sufficiency and flexible power supply [2][3] Group 2: Energy Management and Efficiency - The building is equipped with a tiered energy storage system with a total capacity of about 4,000 kWh, allowing it to charge during low electricity price periods and discharge during peak times, with a maximum discharge power of approximately 1,380 kW [3] - An intelligent management system can connect up to 500 electric vehicles, increasing the adjustable storage capacity to 25,000 kWh, facilitating automatic operations for charging and discharging based on electricity prices [3] Group 3: Environmental Impact - The "Ultra-Stage" zero-carbon building is projected to save 140 tons of coal consumption and reduce carbon dioxide emissions by 398.8 tons annually [3] - The integration of renewable energy sources and smart technologies is expected to enhance energy utilization efficiency by 25%, significantly lowering annual electricity costs by over one million yuan [4] Group 4: Support from Power Grid - Qingdao Power Supply Company provided comprehensive support throughout the project's lifecycle, from planning to operation, ensuring efficient grid integration and long-term operation of the zero-carbon building [4] - The company developed a specialized service team to address the complexities of integrating multiple energy sources and established a real-time monitoring and protection scheme for energy quality [4][5]