Net Zero Energy F-22 System Maintenance Hangar
![Arial view of airfield in Hawaii](https://www.htdc.org/wp-content/uploads/Arial-view-of-airfield-in-Hawaii.jpg)
The Net Zero Energy F-22 System Maintenance Hangar is a three part project showcasing energy efficiency retrofit, solar energy generation and advanced technology energy storage to yield a net zero facility at the Hawaiʻi National Guard’s 154th Wing’s F-22 Fuel System Maintenance Hangar.
Energy Generation Showcase of Ground Mounted Solar PV Array
![Net Zero Energy Generation Showcase of Ground Mounted Solar PV Array](https://www.htdc.org/wp-content/uploads/Net-Zero-Energy-Generation-Showcase-of-Ground-Mounted-Solar-PV-Array-e1712095999295.png)
- Solar PV Array
- DC Rated Output: 136.92kW
- AC Rated Output: 60.00kW
- Comprised of Two Different Arrangements of the Same Module Type
- Dual Axis Tracking PV Array: 12 SunPower modules – 2.94kW (245W each)
- Fix Mount PV Array: 308 SunPower modules – 133.98kW (345W each)
- Two Ideal Power Inverters (30kW each)
Battery Energy Storage System (BESS) Showcase of HiVE, Lithium Iron BESS Technology
![Net Zero Battery Energy Storage System](https://www.htdc.org/wp-content/uploads/Net-Zero-Battery-Energy-Storage-System.png)
- Energy Capacity: .25MWh (250kWh)
- Lithium Iron Phosphate Battery Technology and Battery Management and Supervisory Control Systems
- Custom Built (Made With Prefabricated Concrete) Vault
- Bess & PV Site is Fenced and Graveled to Meet HIANG Requirements for Site Condition
Energy Efficiency Retrofit Hanger
- Energy Efficiency Measure for Building 3407
- LED Lighting and Advanced Controls Installation
- Variable Air Volume (VAV) System
- Solar Water Heating