Path-Q Solar
How should future landscaping be planned to avoid shading a ground-mounted solar array?
Answer
Place future trees and tall vegetation outside the array's modeled shadow path at maturity, and use low-growing plants within and near the array where appropriate. The plan should account for mature height, canopy spread, seasonal sun angles, maintenance access, drainage, and fire or vegetation-management needs.
Key points
- Evaluate mature size rather than the plant's size at installation.
- Avoid placing tall vegetation to the east, south, or west where it can cast long daily shadows, subject to the site's sun path.
- Use a shade model for the array and planned landscaping.
- Coordinate plant selection with mowing, irrigation, erosion control, and equipment access.
What it depends on
- Array orientation, height, and location
- Plant species, mature size, and growth rate
- Seasonal sun path and local conditions
- Required vegetation management and site access
Risks and trade-offs
- Removing or restricting landscaping can reduce privacy, habitat, or visual screening.
- Low-maintenance plantings may still grow into access or drainage areas.
- Future shade can reduce production and increase trimming or removal costs.
Information you may need
- Array site plan and shade analysis
- Proposed plant species and mature dimensions
- Maintenance and irrigation plan
- Any required vegetation or fire-management standards
Your next step
What to do next
Overlay the mature landscaping plan on the solar shade model and revise plant locations or species before installation.
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Some details may depend on your location, installer, utility, incentives, regulations, or specific property.
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