SunPower Solutions Permit Pipeline Outsource
Client: SunPower Solutions LLC
Industry: Renewable Energy
99%
Utility Permit Approval
24 Hr
Drawing Turnaround
3x
Project Capacity Scaling
The Challenge
SunPower Solutions experienced huge backlogs in getting residential solar electrical drawings approved by utilities and local governments, delaying physical installations.

The Solution
GBC provided a dedicated engineering drafting team to execute site layout drawings, single-line diagrams, and structural calculations strictly following local AHJ electrical code files.
The Results
- Lowered utility plan rejection rates from 12% to under 1%.
- Maintained consistent 24-hour drawing turnarounds for 200+ residential files monthly.
- Helped SunPower scale its project backlog capacity three-fold within a single quarter.
"GBC's drawing speed is incredible. We get our permits approved faster than any other local installer."
John Vance
VP of Operations, SunPower Solutions
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