Seiko Electric has successfully achieved Net Zero Energy Building (Net ZEB) status at its Koga Engineering Building in Fukuoka City, Japan. EnOcean-based wireless sensors and switches have been essential to this sustainable and innovative success, enabling building automation and energy optimisation.
“Achieving this Net Zero Energy Building status marks a significant milestone for sustainability. And it reflects the innovative use of cutting-edge edge information and control technologies. We are proud that our wireless and battery-free sensors support this excellent showcase of energy efficiency and smart building solutions,” said Markus Florian, Chief Commercial Officer of EnOcean.
By integrating solar power generation with an energy storage system and advanced energy management technology, Seiko Electric reduced primary energy consumption by 58% at the Koga Office Factory and Engineering Building. The company further optimised energy use by enhancing the building’s insulation, utilising 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).
To enhance efficiency and user comfort, the building uses 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,” said Florian.
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.
As a Net ZEB reference project, the Koga Engineering Building serves as a model for future office developments. It demonstrates 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, Seiko Electric not only enhances operational efficiency. They also contributes to a more sustainable and comfortable workplace. This success story underscores the potential of smart building technologies. They drive energy efficiency and sustainability, setting a benchmark for companies worldwide seeking to optimise their energy footprint,” concluded Florian.
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