Solar Panels in San Antonio, TX

San Antonio gets 5.3 peak sun hours/day with electricity at $0.125/kWh. Calculate panels needed, cost after 30% ITC, and payback period.

Sun Hours
5.3/day
Rate
$0.125/kWh
Cost/Watt
$2.55
Net Metering
CPS Energy buyback

☀️ San Antonio Solar Calculator

11,200 kWh
Panels
221
System Size
88.4 kW
Annual kWh
136,808
Net Cost
$157,794
Savings/yr
$17,101
Payback
9.2 yrs
25-Yr Savings
$269,731

System Sizes in San Antonio

Monthly kWhPanelskWNet CostSavings/yrPayback
500104.0$7,140$7749.2 yrs
750156.0$10,710$1,1619.2 yrs
1,000208.0$14,280$1,5489.2 yrs
1,5003012.0$21,420$2,3219.2 yrs
2,0004016.0$28,560$3,0959.2 yrs
2,5005020.0$35,700$3,8699.2 yrs

Solar Guide for San Antonio (2026)

San Antonio at latitude 29.42°N receives 5.3 peak sun hours/day. At $0.125/kWh, solar offers solid long-term savings.

Incentives: Federal ITC + CPS Energy rebate + property tax exemption.

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

See also: Solar in Texas