15KW Complete Offgrid Solar Kit + 15K Sol-Ark Inverter +15.4KW Solar with Ground Mount Rails and Wiring

The 15KW Complete Offgrid Solar Kit + 15K Sol-Ark Inverter +15.4KW Solar with Ground Mount Rails and Wiring  is engineered for full off-grid living, providing reliable, high-output solar generation for mid-sized homes and properties using around 2,000 kWh per month. With a 15.4KW bifacial solar array, this system produces approximately 69,300 watts per day based on 4.5 peak sun hours, and is fully expandable for future panels or batteries.

This kit can operate with or without a battery. A 48V battery can be added at any time for energy storage, backup power, or nighttime use.

Specifications

• Solar Array: 28 × 550W Bifacial Mono Panels (15,400W total)

• Inverter: Sol-Ark 15K Hybrid/Off-Grid All-in-One (built-in MPPT charge controller)

• Ground Mount System: Complete IronRidge ground-mount rails, caps, connectors & fasteners (customer sources 3" SCH40 pipe)

• Wiring: 500' 10AWG PV wire, 100' 6AWG AC wire, 20' 4/0 AC main line

• Combiner & Protection: Solar combiner box (expandable) + gutter box

• Tools & Documentation: MC4 crimp kit & installation manual

Features

• Bifacial Double-Glass Panels: Gain up to 25% extra energy from rear-side reflection; excellent performance in low-light and cloudy conditions

• High Durability: 5400Pa snow load, 2400Pa wind load, 30-year power warranty

• Off-Grid Ready: Ideal for complete off-grid homes, cabins, pole barns, and remote buildings

• Battery Optional: System operates without batteries and supports easy future battery expansion

• Expandable Design: Add more panels or batteries anytime

• Installation Support: Professional installation available by request

Sol-Ark 15K Inverter Specifications

• Output: 120/240V split-phase

• Battery Compatibility: Works with or without batteries; supports 48V lithium or lead-acid

• Power Rating: 9KW continuous, 16KW surge (10 seconds)

• Charge Controller: Built-in MPPT with 3 independent inputs

• Generator Support: Yes, compatible with automatic generator input

• User Interface: LCD touchscreen with WiFi connectivity

• Design: DC transformerless, high-efficiency design

• Efficiency: 97.5% inverter efficiency

• Rating: NEMA 3R — outdoor rated

• Warranty: 10 years

• Scalability: Parallel stack up to 8 units

• Transfer Time: 4ms transfer from battery to grid