Solar Panels in Nashville, TN
Nashville gets 4.4 peak sun hours/day with electricity at $0.125/kWh. Calculate panels needed, installed cost, and payback period (updated for 2026 — no federal credit).
☀️ Nashville Solar Calculator
System Sizes in Nashville
| Monthly kWh | Panels | kW | Installed Cost | Savings/yr | Payback |
|---|---|---|---|---|---|
| 500 | 12 | 4.8 | $13,200 | $771 | 17.1 yrs |
| 750 | 18 | 7.2 | $19,800 | $1,156 | 17.1 yrs |
| 1,000 | 24 | 9.6 | $26,400 | $1,542 | 17.1 yrs |
| 1,500 | 36 | 14.4 | $39,600 | $2,313 | 17.1 yrs |
| 2,000 | 48 | 19.2 | $52,800 | $3,084 | 17.1 yrs |
| 2,500 | 60 | 24.0 | $66,000 | $3,854 | 17.1 yrs |
Solar Guide for Nashville (2026)
Nashville at latitude 36.16°N receives 4.4 peak sun hours/day. At $0.125/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 Tennessee