Solar Panels in Nashville, TN
Nashville gets 4.4 peak sun hours/day with electricity at $0.125/kWh. Calculate panels needed, cost after 30% ITC, and payback period.
Sun Hours
4.4/day
Rate
$0.125/kWh
Cost/Watt
$2.75
Net Metering
TVA Green Flex
☀️ Nashville Solar Calculator
9,600 kWh
Panels
228
System Size
91.2 kW
Annual kWh
117,174
Net Cost
$175,560
Savings/yr
$14,647
Payback
12.0 yrs
25-Yr Savings
$190,615
System Sizes in Nashville
| Monthly kWh | Panels | kW | Net Cost | Savings/yr | Payback |
|---|---|---|---|---|---|
| 500 | 12 | 4.8 | $9,240 | $771 | 12.0 yrs |
| 750 | 18 | 7.2 | $13,860 | $1,156 | 12.0 yrs |
| 1,000 | 24 | 9.6 | $18,480 | $1,542 | 12.0 yrs |
| 1,500 | 36 | 14.4 | $27,720 | $2,313 | 12.0 yrs |
| 2,000 | 48 | 19.2 | $36,960 | $3,084 | 12.0 yrs |
| 2,500 | 60 | 24.0 | $46,200 | $3,854 | 12.0 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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Solar Calculator by City
New York City
3.6 hrs · $0.225/kWh
Los Angeles
5.6 hrs · $0.28/kWh
Chicago
3.9 hrs · $0.155/kWh
Houston
5 hrs · $0.135/kWh
Phoenix
6.6 hrs · $0.138/kWh
Philadelphia
3.9 hrs · $0.162/kWh
San Antonio
5.3 hrs · $0.125/kWh
San Diego
5.7 hrs · $0.35/kWh
Dallas
5.1 hrs · $0.13/kWh
Austin
5.2 hrs · $0.125/kWh
Denver
5.5 hrs · $0.148/kWh
Miami
5.3 hrs · $0.148/kWh
Atlanta
4.7 hrs · $0.135/kWh
Seattle
3.2 hrs · $0.115/kWh
Boston
3.8 hrs · $0.27/kWh
Las Vegas
6.4 hrs · $0.13/kWh
Portland
3.5 hrs · $0.13/kWh
Minneapolis
4 hrs · $0.145/kWh
Tampa
5.4 hrs · $0.142/kWh
Charlotte
4.7 hrs · $0.128/kWh
San Francisco
5 hrs · $0.3/kWh
Detroit
3.5 hrs · $0.185/kWh
Salt Lake City
5.3 hrs · $0.115/kWh
Raleigh
4.7 hrs · $0.125/kWh
Sacramento
5.5 hrs · $0.25/kWh
Orlando
5.3 hrs · $0.145/kWh
San Jose
5.3 hrs · $0.3/kWh
Tucson
6.4 hrs · $0.135/kWh
Albuquerque
6.2 hrs · $0.14/kWh
See also: Solar in Tennessee