Net Zero Energy with Smart Building Technology and EnOcean Solutions
April 7, 2025
Seiko Electric Co. Ltd., a leading company in power, environment, and energy solutions, has successfully achieved Net Zero Energy Building (Net ZEB) status at its Koga Engineering Building in Fukuoka City, Japan. This milestone reflects the company’s commitment to sustainability and its innovative use of cutting-edge information and control technologies.
A Model for Sustainable Buildings
The Koga Office Factory and Engineering Building is a showcase of energy efficiency and smart building solutions. By integrating solar power generation with an energy storage system and advanced energy management technology, Shoko Electric reduced primary energy consumption by 58%. The company further optimized energy use by enhancing the building’s insulation, utilizing natural energy sources, and implementing a highly efficient climate control system. As a result, the building achieved an overall energy savings of 57%, earning the highest ratings from Japan’s Building-Housing Energy-efficiency Labeling System (BELS) and the Comprehensive Assessment System for Built Environment Efficiency (CASBEE).
EnOcean-Powered Smart Controls
To enhance efficiency and user comfort, the building features a WAGO-DALI lighting control system and task-based climate management. EnOcean-based wireless sensors and switches play a crucial role in this setup, enabling seamless automation and energy optimization. The sensors monitor temperature, humidity, and lighting conditions, ensuring real-time adjustments for maximum comfort and efficiency. EnOcean switches, installed on every floor, provide users with convenient, battery-free control over lighting, air conditioning, and ventilation. Their integration prevents unnecessary energy waste by ensuring that devices automatically switch off when not in use.
A Blueprint for the Future
As a Net ZEB reference project, the Koga Engineering Building serves as a model for future office developments, demonstrating how energy savings of 50% or more can be achieved through innovative building design and intelligent energy management. By leveraging wireless and battery-free EnOcean solutions, Shoko Electric not only enhances operational efficiency but also contributes to a more sustainable and comfortable workplace.
This success story underscores the potential of smart building technologies in driving energy efficiency and sustainability, setting a benchmark for companies worldwide seeking to optimize their energy footprint.
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