20KW Complete Offgrid Solar Kit + 2x 15K Sol-Ark Inverter +19.8KW Solar with Ground Mount and Wiring

The 20KW Complete Offgrid Solar Kit + 2x 15K Sol-Ark Inverter +19.8KW Solar with Ground Mount and Wiring is designed for those who demand reliable off-grid power. This fully integrated package includes a 19.8KW bifacial solar array, two Sol-Ark 15K hybrid/off-grid inverters, and a ground-mount system with professional wiring. Delivering approximately 89,100 watts per day (at 4.5 peak-sun hours), it’s engineered for larger homes and similar applications using around 2,670 kWh per month, with a scalable design that supports future expansion of panels or batteries. The system can operate without batteries, and a 48V battery can be added at any time.

Specifications

• Solar Array: 36× 550W bifacial mono panels (19,800W array)

• Inverters: 2× Sol-Ark 15K Hybrid/Off-Grid 48V with built-in MPPT

• Ground Mount: Iron Ridge rails, top caps, connectors, hardware (uses customer-supplied 3" Sch 40 pipe)

• Combiner & Cabling: 2× PV combiner boxes, 1× AC combiner kit, 500' 10AWG PV wire, 100' 6AWG AC/gen cable, 20' 4/0 AC main

• Accessories: 2× gutter boxes, MC4 crimp kit, installation manual

Features

• Bifacial Double-Glass Panels: Up to 25% rear-side energy gain and strong low-light performance

• High Durability: 5400 PA snow load / 2400 PA wind load; 30-year power warranty

• Battery Optional: Runs without batteries; add 48V storage anytime

• Sol-Ark Controls: 120/240V split phase, 3× MPPT inputs, generator support, LCD touchscreen, WiFi

• Efficiency & Protection: 97.5% inverter efficiency, DC transformerless, NEMA 3R outdoor-rated, 10-year warranty

• Expandable System: Built for future panel/battery expansion and parallel stacking up to 8 units

Maintenance

• Daily: Ensure modules are unobstructed; check inverter/app status

• Weekly: Inspect wiring, combiner boxes, and verify production

• Annually: Inspect ground-mount hardware, grounding, connectors, and update inverter firmware

Warranty

• Solar Panels: 30 years (power warranty)

• Sol-Ark Inverters: 10 years (manufacturer warranty)