18 KW Ground Mount System Specifications
System Module | REC450AA Pure-RX 450W |
STC Rating | 450 W |
Panel PTC Rating | 429.1W |
Watts /Sq. Ft | 20.10 |
Application | Residential Ground Mount |
System Power | 18.0 KW |
System Area | 895 sq ft |
Panel Efficiency | 21.6% |
Panel Frame Color | Black/Black |
Panel Dimensions (in) | 68'' x 47.4'' x 1.18'' |
Enphase System Price | $24,132 $1.34/watt |
SMA System Price | $20,040 $1.11/watt |
Sol-Ark System Price | $21,578 $1.20/watt |
SolarEdge System Price | $24,048 $1.34/watt |

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18 KW REC Alpha Pure-RX 450W Ground-Mount Solar System Kit
SKU SES-REC450AA-PURE-RX-18KW-SEHD-GND18 KW REC Pure-RX Ground Mount System
This 18 KW REC450AA Pure-RX ground mount solar system represents a powerful solution for large residential applications requiring substantial energy production. This system kit incorporates 40 high-efficiency REC450AA Pure-RX panels across 895 square feet. Compatible with premium inverter technologies from Enphase, SMA, Sol-Ark, and SolarEdge, this system delivers advanced power management capabilities for demanding energy needs.
18 KW Pure-RX Ground Mount System Include:
- 40 REC450AA Pure-RX 450W solar panels
- Choice of Solar Inverter:
- Enphase® IQ8X-80-M-US Microinverters
(including wiring, cabling, Envoy) - 2x SMA SBSE7.7-US-50 Inverter
- Sol-Ark 15K-2P-N Hybrid Solar Inverter
- 2x SolarEdge Energy Hub SE7600H-US
(Includes: Power Optimizers) - IronRidge Ground Mounting System
- Solar Interconnect Cables and Wire Management
- Grounding Lugs
- State Stamped structural testing reports
- Component installation manuals
- Friendly knowledgeable technical assistance before, during, and after your installation
Optional Features
- Optional Single Line Drawings and Permit Plan Sets
- Wet PE stamps for structural and or electrical
- Ground Mount System Storage Options:
What's Not Included?
- 2 or 3" Schedule 40 Galvanized steel pipe for the Ironridge ground mount
- Standard conduit, ground, tie-in wiring & landing breakers, and AC Disconnects
- Additional load center hardware, breaker boxes, etc

18 KW REC450AA Alpha Pure-RX Residential Ground Mount System Review
Solar Electric Supply (SES) brings decades of wholesale solar expertise to this high-capacity REC450AA Pure-RX ground mountsystem. These premium panels undergo extensive certification testing, ensuring exceptional durability and performance under extreme conditions. The advanced heterojunction cell technology delivers consistent 450-watt output per panel, while the system's 21.6% efficiency rating sets industry-leading standards for power generation.
This 18 KW system features REC's cutting-edge gapless cell design and environmentally responsible manufacturing processes, demonstrating our commitment to sustainable energy solutions. With comprehensive warranty protection and proven performance metrics, this system represents a premium investment in renewable energy technology for demanding applications.
Residential Ground Mount System Upgrade Options

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