70% Reduction in Commercial Solar Design Time
A Dallas commercial EPC reduced preliminary design time for C&I rooftops from 8 hours to 2.5 hours per project.
70%
Design Time Saved
1,200
Hours Reallocated Yearly
3×
Projects per Designer
The Challenge
Lone Star Solar EPC in Dallas was drowning in manual C&I design work. Every commercial rooftop required a site visit, drone survey, manual AutoCAD drafting, and separate PVsyst simulation. An average 500 kW project took 8 hours of engineering time before the proposal could even be sent.
The Switch to SurgePV
The team adopted SurgePV for preliminary design and yield estimation, keeping PVsyst for final bankable reports. SurgePV's 3D roof detection replaced drone surveys for 80% of projects, and auto-stringing cut electrical design time by half.
The Results
Engineering hours per project dropped from 8 to 2.5 hours. The team reallocated 1,200 hours annually from drafting to project execution and business development. Proposal turnaround improved from 5 days to same-day, directly impacting win rates.
Key SurgePV Features Used
- 3D commercial roof modeling with HVAC obstruction detection
- Auto string sizing for 1,500V commercial systems
- NEC 2023-compliant SLD generation
- P50 yield estimates within ±3% of PVsyst
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