Path-Q Solar
Should I account for trees on neighboring property when estimating solar production?
Answer
Yes. Neighboring trees should be included when they can shade the array now or may grow into the solar access path later, even though their maintenance or removal may not be under your control.
Key points
- Record current height, canopy, distance, direction, and seasonal foliage.
- Model plausible future growth and avoid treating a neighbor's informal maintenance promise as guaranteed production protection.
- Consider whether the property boundary, easements, or vegetation-management rights affect future options.
What it depends on
- Tree location and growth characteristics
- Seasonal shade pattern
- Neighboring property's future use and maintenance
- Any documented rights or restrictions affecting vegetation
Risks and trade-offs
- Future shade can reduce production after installation and may be difficult or impossible to correct.
- Designing around uncertain trees may reduce system size or shift panels to less favorable roof areas.
Information you may need
- Boundary and tree-location information
- Current and projected shade analysis
- Known plans for neighboring trees or development
- Any relevant written rights or agreements
Your next step
What to do next
Include neighboring trees in the production model and ask the provider to show results under both current and plausible future-growth conditions.
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