Best Solar Panel Direction & Azimuth (US)
Published 2026-02-20 · Updated 2026-07-07 · MySunROI Research Team
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South-facing roofs (180° azimuth in US) produce most energy. Southeast and southwest within 45° of south are excellent. North-facing roofs are usually poor for solar.
Best directions
- South: 100% baseline production
- SE / SW: ~95%
- East / West: ~80–85%
- North: usually avoid
Solar costs by state
Frequently Asked Questions
Is east-west split OK?
Yes — may smooth production curve and help under TOU rates.