Solar Panels in Detroit, MI
Detroit gets 3.5 peak sun hours/day with electricity at $0.185/kWh. Calculate panels needed, installed cost, and payback period (updated for 2026 — no federal credit).
☀️ Detroit Solar Calculator
System Sizes in Detroit
| Monthly kWh | Panels | kW | Installed Cost | Savings/yr | Payback |
|---|---|---|---|---|---|
| 500 | 15 | 6.0 | $18,000 | $1,134 | 15.9 yrs |
| 750 | 23 | 9.2 | $27,600 | $1,739 | 15.9 yrs |
| 1,000 | 30 | 12.0 | $36,000 | $2,269 | 15.9 yrs |
| 1,500 | 45 | 18.0 | $54,000 | $3,403 | 15.9 yrs |
| 2,000 | 60 | 24.0 | $72,000 | $4,538 | 15.9 yrs |
| 2,500 | 75 | 30.0 | $90,000 | $5,672 | 15.9 yrs |
Solar Guide for Detroit (2026)
Detroit at latitude 42.33°N receives 3.5 peak sun hours/day. At $0.185/kWh, solar offers solid long-term savings.
Incentives: Federal ITC.
NEC Solar Requirements
All installations must comply with NEC Article 690: rapid shutdown (690.12), conductor sizing at 125% (690.8), and proper grounding per NEC 250. Use our Solar Wire Size Calculator for conductor sizing.
Disclaimer: Estimates only. Consult a licensed solar installer. NEC Article 690 compliance required.
Frequently Asked Questions
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See also: Solar in Michigan