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Lean Lines, Full Protection: Westford Home Goes Solar with InvisiMount and SolaTrim
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System Specifications
9.45 KW DC
Specification
Details
System Size
9.45 KW DC
Location
Westford, MA
Installation Date
2019
Home Type
Single Family Residence
Solar Panels
27 × SunPower SPR-X21-350-BLK-AC Panels (built-in microinverters)
Inverter(s)
27 × Built-in Microinverters (integrated with SunPower SPR-X21-350-BLK-AC panels)
Racking System
InvisiMount Racking
Monitoring
Panel-level monitoring (via built-in microinverters)
CO2 Reduction
Lifetime CO₂ Reduction: 81 tons over 25 years
Animal Guard
SolaTrim Critter Guards
Estimated Annual Production
11,600 kWh (First-year production)
About This Project
This 9.45 kW DC solar system powers a single-family home in Westford, MA and was installed in 2019. It features 27 SunPower SPR-X21-350-BLK AC panels, each with a built-in microinverter, offering panel-level energy conversion and smart performance tracking. This all-in-one design maximizes energy harvest, improves shade tolerance, and simplifies the installation process.
The system is mounted with sleek InvisiMount racking for a clean, low-profile look, and protected with SolaTrim critter guards to keep out pests and debris. In its first year, the system produced 11,600 kWh. Based on standard EPA estimates, that translates to a lifetime CO₂ reduction of approximately 81 tons over 25 years — the equivalent of planting over 1,300 trees.








