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  • Tainan Plant (Phase I)
    • EEWH Diamond
    • WELL Health-Safety Rating (HSR)
    • 2024 EUI: 184.07 > EUI Baseline 147.4
    • Highest energy saving rate to date: 38% (Compared to traditional offices)
    • Taiwan’s first green building to fulfill all 9 EEWH criteria
    • Awarded Taiwan’s first Green Factory Label of General Industry
    • Applied Energy-saving Technologies Natural Lighting Energy-efficient HVAC & Ventilation LED Lighting Solar PV Systems Energy-Efficiency Elevator Solution Rainwater Harvesting Systems
  • Tainan Plant (Phase II)
    • EEWH Diamond
    • 2024 EUI: 39.4 < EUI Baseline 147.4
    • Highest energy saving rate to date: 73% (Compared to traditional offices)
    • Applied Technologies: Natural Lighting & Ventilation Underground Ventilation Ice Storage AC Systems LED Lighting & Solar PV Systems Energy-Efficiency Elevator Solution Rainwater Harvesting Systems
  • Taoyuan R&D Center
    • LEED Gold
    • EEWH Gold
    • WELL Health-Safety Rating (HSR)
    • 2024 EUI: 83.09 < EUI Baseline 147.4
    • Highest energy saving rate to date: 53% (Compared to traditional offices)
    • Recycle water 8,288 tons
    • Water savings: 75% (compared to LEED design basis)
    • Delta’s Integrated Solutions Applied: Smart HVAC Solution Energy-Efficiency Elevator Solution LED Lighting Solution Solar PV Systems
    • Concepts of Green Building, Building Automation, Factory, and Visualization Management
  • Taoyuan Plant 5
    • LEED Gold
    • EEWH Gold
    • 2024 EUI: 118.72 < EUI Baseline 154
    • Highest energy saving rate to date: 24% (Compared to air-conditioned general factory operation areas)
    • Delta’s Energy Saving Solutions: Smart HVAC Solution Energy-Efficiency Elevator Solution LED Lighting Solution PV Systems High reflectance roof to mitigate the urban heat island effect
  • Taipei Headquarters
    • EEWH-RN Diamond
    • LEED Platinum
    • WELL Health-Safety Rating (HSR)
    • 2024 EUI: 111.72 < EUI Baseline 147.4
    • Highest energy saving rate to date: 58% (Compared to traditional offices)
    • Taiwan’s best carbon reduction rate among office buildings
    • Taiwan's first mid-rise office building to acquire EEWH diamond-level in the renovation category
    • Delta’s Integrated Solutions Applied: Smart HVAC Solution Energy-Efficiency Elevator Solution LED Lighting Intelligent monitoring and management systems
  • Chungli R&D Center
    • LEED Gold
    • 2024 EUI: 87.65 < EUI Baseline 147.4
    • Highest energy saving rate to date: 45% (Compared to office buildings)
    • Water savings: 61.92% (compared to LEED design basis)
    • Delta’s Energy Saving Solutions: Smart HVAC Solution Smart Security Solution Smart Parking Solution Lighting Solution Energy Management Solution EV Solutions Display Solution High reflectance roof to mitigate the urban heat island effect
  • Chungli Plant 5
    • LEED Gold
    • Smart Building Gold Level
    • 2024 EUI: 102.03 < EUI Baseline 154
    • Highest energy saving rate to date: 68% (Compared to air-conditioned general factory operation areas)
    • Water savings up to: 74.5% (Compared to LEED design basis)
    • Applied technologies: Low-E glass, natural lighting High-efficiency HVAC system Solar PV system Underground ventilation
    • Water saving technologies: Recycle rainwater to 100% replace tap water for planting irrigation and toilet flushing Air conditioner condensate recycled to cooling tower for use
    • Delta’s integrated solutions applied: EV charging PV system Intelligent building control Energy management and information system LED intelligent lighting and control Audio/video broadcasting system BIC bluetooth transmission emergency SOS system IBEMS facility management system
  • Taichung Plant 1
    • LEED Gold
    • EEWH Diamond
    • WELL Health-Safety Rating (HSR)
    • 2024 EUI: 126.5 < EUI baseline 154
    • Highest energy saving rate to date: 41% (Compared to air-conditioned general factory operation areas)
    • Water savings: 65% (Compared to LEED design basis)
    • Applied technologies: Low-E glass, natural lighting High-efficiency HVAC system LED lighting、Solar PV system
    • Water saving technologies: Recycle rainwater to 100% replace tap water for planting irrigation and toilet flushing Air conditioner condensate recycled to cooling tower for use
    • Delta’s integrated solutions applied: EV charging PV system Intelligent building control LED intelligent lighting and control Audio/video broadcasting electronic system
  • Beijing Office Building
    • LEED Silver
    • 2024 EUI: 31.24 < EUI Baseline 100
    • Highest energy saving rate to date: 74% (Compared to traditional offices)
    • Water savings: 43% (Compared to LEED design basis)
    • Delta’s Energy Saving Solutions: LED lighting Centralized lighting control Frequency conversion equipment Delta Energy Online
  • Shanghai R&D Center
    • LEED Gold
    • WELL Health-Safety Rating (HSR)
    • 2024 EUI: 55.63 < EUI Baseline 85.1
    • Highest energy saving rate to date: 49% (Compared to large-scale civil buildings)
    • Water savings: 46% (Compared to LEED design basis)
    • Delta’s Integrated Solutions Applied: Energy Management Solution LED Lighting Solution Solar PV Systems IntraSuite Datacenter Solution
  • India Gurgaon Plant
    • LEED-INDIA Platinum
    • 2024 EUI: 95.52 < EUI Baseline 178
    • Highest energy saving rate to date: 60% (Compared to traditional commercial buildings)
    • Applied Technologies: Natural Lighting Energy-Efficient HVAC Systems Solar PV Systems LED Street Lighting
    • Waste Water Recycling Systems (for toilet and gardening usage)
  • India Rudrapur Plant
    • LEED-INDIA Gold
    • 2024 EUI: 74.96 < EUI Baseline 178
    • Highest energy saving rate to date: 76% (Compared to traditional commercial buildings)
    • Applied technologies: Natural Lighting Energy-efficient HVAC Systems Solar PV Systems LED Street Lighting
    • Waste Water Recycling Systems
    • Rainwater Harvesting Systems
  • India Mumbai Office Building
    • LEED Platinum
    • 2024 EUI: 89.38 < EUI Baseline 178
    • Highest energy saving rate to date: 77% (Compared to traditional commercial buildings)
    • Applied Technologies:: 85% Natural Lighting Smart HVAC Solution High Efficiency Lighting System
    • Water savings: 40% (compared to LEED design basis)
    • Set up high SRI roof coating to reduce heat island effect
    • Indoor Ventilation and Eco-materials design
  • Americas Headquarters
    • LEED Zero-Energy Consumption
    • LEED Platinum
    • CBE Annual Livable Buildings Award
    • WELL Health-Safety Rating (HSR)
    • 2024 EUI: 0 < EUI Baseline 166.88
    • Highest energy saving rate to date: 100% (Compared to traditional offices)
    • Achieved Net Zero Energy
    • Ground source heating and cooling system that reduce HVAC energy consumption by 60%
    • Delta’s integrated solutions applied Solar PV System generates 1.1M kWh per year Datacenter solution Energy management solution LED lighting solution Frequency converter (applied to air conditioning system) Energy-efficient elevator solution EV charging solution 330 kWh energy storage system
  • EMEA Headquarters
    • BREEAM Very Good
    • 2024 EUI: 133.26 < EUI Baseline 177.16
    • Highest energy saving rate to date: 65% (Compared to non-residential buildings)
    • Delta’s Energy Saving Solutions: Building management and control system Delta Energy Online Solar PV System and energy storage system LED Lighting Solution EV charging
  • Helmond Office Building
    • LEED Gold
    • 2024 EUI: 84.98 > EUI Baseline 76.1
    • Highest energy saving rate to date: 56% (Compared to non-residential buildings)
    • Delta’s Energy Saving Solutions: Building Automation Solution Smart HVAC system Delta Controls Renewable energy solution EV charging solution SmartPASS application Smart parking solution Smart Surveillence solution
  • DET Plant 5
    • LEED Gold
    • 2024 EUI: 762.32 > EUI Baseline 640.24
    • Highest energy saving rate to date: 23% (Compared to pre-renovation plant)
    • Water savings: 35% (compared to LEED design basis)
    • Set up high SRI roof coating to reduce heat island effect
    • Applied Technologies: Solar PV System generates 3M kWh/yr Datacenter Solution Energy Management Solution Smart HVAC Solution LED Lighting Solution
  • DET Plant 7
    • LEED Gold
    • 2024 EUI: 225.82 < EUI Baseline 627
    • Highest energy saving rate to date: 64% (Compared to green building application documents)
    • Water savings: 45% (Compared to LEED design basis)
    • Delta’s integrated solutions applied: Intelligent energy monitoring and management system Smart HVAC solution Intelligent LED Lighting
    • The green planting area exceeds 30% of the factory area
    • Roof coating with high solar reflective index (SRI) to reduce heat island effect
  • Delta Ako Energy Park Multi-purpose Building
    • LEED Gold
    • 2024 EUI: 115.47 < EUI Baseline 165.57
    • Highest energy saving rate to date: 50% (Compared to green building application documents)
    • Water savings: 44.79% (compared to LEED design basis)
    • Full marks in energy part (compared to LEED design basis)
    • Delta’s Energy Saving Solutions: Building Automation Solution LED Lighting Solution (DALI Control Lighting System) EV Charger Solution IAQ Solution Smart Meter Solution Delta Energy Storage System (ESS) Solution Solar PV Systems
    • Waste savings:61.6% (compared to LEED design basis)
  • Delta Headquarters – Ruey Kuang IT Data Center
    • LEED V4 ID+C Platinum (first in the world)
    • 2024 PUE: 1.28
    • Highest energy saving rate to date: 27.3% (Compared to 2015)
  • Wujiang IT Data Center
    • LEED V4 ID+C Gold
    • 2023 PUE: 1.34
    • Highest energy saving rate to date: 57% (Compared to 2015)
  • Taipei Headquarters - Ruey Kuang Building II
    • LEED Platinum
    • EEWH Diamond
    • WELL Platinum
    • Intelligent Building Diamond Level
    • Building Energy-Efficiency Rating Label for Net-Zero Building
    • 2024 EUI: 17.31 < EUI Baseline 147.4
    • Energy saving rate: 88% (Compared to traditional offices)
    • The first new building in Taiwan receiving near-zero carbon building certification
    • The air-conditioning system saves 30% of energy consumption compared with the baseline value and the lighting system saves 60% of energy consumption
    • Delta’s Energy Saving Solutions: DALI lighting control system Building monitoring system UNOnext indoor air quality monitor、heat exchangers、PLC、EC Fan
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  • The Delta Building at National Cheng Kung University(NCKU)
    • EEWH School Category(2009 ~2012)
    • 2024 EUI: 96.22 < EUI Baseline 147.4
    • Highest energy saving rate to date: 65% (Compared to traditional offices)
    • Technologies Applied: Empty hall with natural Lighting Natural Shading Design Natural Ventilation Design
  • Y.S Sun Green Building at National Cheng Kung University (NCKU
    • LEED Platinum
    • EEWH Diamond
    • 2024 EUI: 47.73 < EUI Baseline 147.4
    • Highest energy saving rate to date: 85% (Compared to traditional offices)
    • Featured at Routledge 2013 Edition《World’s Greenest Buildings》
    • Applied Technologies: Natural Shading Design Natural Ventilation Design LED Lighting & Control Systems Green Roof & Ceiling Fan Ventilation Solar PV Systems Energy-Efficient HVAC System
    • Achieved “Net-Carbon” concept by planting trees in campus
  • The Delta Building at National Tsing Hua University (NTHU)
    • EEWH-Bronze (2011~2014)
    • 2024 EUI: 66.98 < EUI Baseline 71
    • Highest energy saving rate to date: 6% (Compared to traditional university buildings)
    • Technologies Applied: Natural Lighting Natural Shading Design Natural Ventilation Design LED Lighting Solar PV Systems
    • Rebuilt at original site and reached minimal excavation
    • Large-span Basement Design
  • The Namasia Minquan Elementary School
    • LEED Zero-Energy Consumption
    • LEED Platinum
    • EEWH Diamond
    • 2024 EUI: 0 < EUI Baseline 24
    • Highest energy saving rate to date: 100% (Compared to traditional elementary school buildings)
    • Library reached “Net-Zero Energy” with Delta’s PV systems
    • Technologies applied: Natural Lighting & Ventilation LED Lighting PV Systems Water-saving devices & Rainwater Recycling
    • It accommodated more than 5,000 individuals during climate disasters
    • Featured at National Geographic video broadcasted in 35 countries
    • Award: the 34th Taiwan Architecture Award, The First Kaohsiung Green Building Award, 2012 Hong Kong Environmental Architecture Awards-Asia Region Excellence Award, 2012 Green Initiative Group Influential Award
  • The Kuo-Ting Optoelectronic Building at National Central University (NCU)
    • EEWH-Bronze
    • 2024 EUI: 122.45 > EUI Baseline 71
    • Highest energy saving rate to date: 70% (Compared to traditional university buildings)
    • Technologies Applied: Create natural ventilation using Chung-da Lake Put in a friendly stairway