Assess Solar Potential
30 minutesGather measurements and code requirements for rooftop solar assessment.
Field context
This workflow is part of 2 niche fields
Complete guide for rooftop solar assessment — step-by-step workflow, tools, checklist, and expert tips to get started.
Gather measurements and code requirements for rooftop solar assessment.
Run calculators to size components for rooftop solar assessment.
Execute installation following calculated specifications.
Verify operation, schedule inspection, and document as-built.
Key benchmarks for rooftop solar assessment.
| Region | PSH/Day | Annual kWh/kW |
|---|---|---|
| Southwest | 5.5-6.5 | 1600-2000 |
| Southeast | 4.5-5.5 | 1300-1600 |
| Northeast | 3.5-4.5 | 1000-1300 |
De-energize and lock out before any wiring work — DC from panels is always live in sunlight.
Even partial shade on one panel reduces entire string output — survey at multiple times of day.
Buy materials during off-season sales — prices drop 20-40% outside peak demand periods.