67.58kW Commercial Solar System – 6x Envy Inverters | 144–185kWh Fortress Battery Storage | 124x 545W Solar Panels
Meet the largest and most powerful off-grid solar kit in our lineup—the 67.58kW Commercial Solar System, engineered for high-demand applications such as agriculture operations, warehouses, remote manufacturing facilities, large restaurants, event venues, and off-grid campuses.
With six Fortress Power Envy 12kW hybrid inverters delivering a combined 72kW of output power, this system supports 120V/240V split-phase and 120/208V three-phase loads with ease. It includes 124 ultra-efficient 545W solar panels and a Fortress Power battery bank ranging from 144kWh to 185kWh, using scalable eVault MAX or eForce lithium battery modules.
This all-in-one kit gives businesses complete control over their energy—without reliance on the grid. Designed for experienced DIYers or professional installers, it arrives ready to deploy, offering substantial long-term savings, uptime reliability, and energy independence in even the most remote locations.
Applications
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Off-Grid Commercial Power
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DIY solar setups
Essentials Appliances
Wi-Fi Router
Lights
Television
Phone Chargers
Laptop Home PC
Microwave
Well Pump
Refrigerator
Major Appliances - Comfort living
MiniSplit AC Conditioner
Kitchen Stove
Hair Dryer
Vaccum Cleaner
Dishwasher
Electrical Tools
Level 1 EV Charger
Heavy Appliances - Wholehome
Level 2 EV Charger
Heatpump
Dryer
Water Heater
Central Air Conditioner
Oven
Power Tools
Off-Grid Commercial Kit Features
Off-grid commercial kits allow businesses to take control of their energy supply—independently and affordably. Whether you're powering a farm, a retail space, or a mobile operation, these kits deliver industrial-grade performance without ongoing utility costs or grid dependency.
🔋 Massive Energy Storage Capacity
Up to 185kWh of lithium battery storage gives you long-lasting off-grid autonomy, day and night.
🏭 Power Heavy-Duty Commercial Loads
Perfect for large-scale equipment, HVAC systems, refrigeration, and continuous-use machinery.
🛠️ Ready for Installation
Includes everything needed for fast deployment by a contractor or skilled DIY team.
📡 Monitor from Anywhere
Track performance and manage settings remotely via the Fortress mobile app and Guardian Gateway integration.
Everything You Need to Get Started
This kit comes complete with solar panels, inverters, batteries, and all essential hardware—so you can plan, install, and power up with confidence.
(124) 545W Commercial-Grade Solar Panels
The Phono Twinplus 545W Solar Panel is a high-efficiency, monocrystalline PERC solar panel designed to deliver exceptional performance and reliability.
6x Fortress Power Envy True 12kW Hybrid Inverter
The Fortress Power Envy True 12kW Hybrid Inverter is an all-in-one solution built for reliable commercial energy storage and backup.
Fortress Power Battery Bank (144–185kWh; eVault MAX or eForce options)
Choose the battery you need for the backup you want!
Mounting hardware, wiring, and installation accessories
All of the extra parts you need to make the installation a success.
