A 2,000 square foot home in Texas typically uses about 899 kWh per month at the state average rate of 13.8¢/kWh (EIA). With 5.6 peak sun hours per day, most homeowners need a 6.4 kW solar system — roughly 17 panels at 400W. After the 30% federal ITC, net cost is about $13,500, with 10.4-year payback and $40,800+ in estimated 25-year savings.
Content roles: This page is your Texas-specific sizing decision for 2,000 sq ft. For national methodology and roof/orientation depth, see the 2,000 sq ft national guide. For bill-based sizing, see $150/month (~$124/mo equivalent in Texas). Policy depth: Texas solar data.
⚡ System Size
How Many Solar Panels for a 2,000 sq ft House in Texas?
Texas electricity rates and sun hours change panel count versus the US average:
System size (kW) = Annual kWh ÷ (Peak sun hours × 365 × 0.82)
For 2,000 sq ft in Texas:
Estimated monthly usage: ~899 kWh
Peak sun hours: 5.6 h/day
System size:6.4 kW (~17 × 400W panels)
Metric
Texas
US average
Rate
13.8¢/kWh
16.3¢/kWh
Sun hours
5.6 h/day
4.5 h/day
System size
6.4 kW
8.0 kW
Panels (400W)
17
21
Texas requires a smaller system than the national average for the same square footage. Use our solar system size calculator with your actual utility bills for a precise ZIP-level result.
Find your exact solar savings
Enter your ZIP code for a personalized estimate using your state's electricity rate and sun hours.
💰 System Cost
What Does Solar Cost for a 2,000 sq ft Home in Texas After the ITC?
At $3.00/W installed (SEIA 2026), a 6.4 kW system in Texas costs about $19,300 before incentives. The 30% ITC saves ~$5,790, for $13,500 net cost.
📈 Payback Period
How Long Is Solar Payback on a 2,000 sq ft Home in Texas?
A 6.4 kW system saving ~$1,295/year pays back in about 10.4 years after the ITC. At 3% rate escalation, 25-year utility spend totals ~$54,300 vs $13,500 net solar — $40,800+ lifetime advantage.
Solar vs utility company · 25-year comparison
Total cost of staying on the grid vs owning solar for a $300/month bill (national average assumptions).
Texas exempts the added value of a solar system from property tax assessments under the Texas Property Tax Code Section 11.27, meaning installing solar does not increase your property taxes. Many Texas utilities and municipalities also offer net metering programs. Austin Energy and CPS Energy have historically offered solar rebates.
At Texas's average rate of 13.8¢/kWh and 5.6 peak sun hours, a 2,000 sq ft home (~899 kWh/month) typically needs a 6.4 kW system — about 17 panels at 400W. See the [national 2,000 sq ft guide](/guides/how-much-do-solar-panels-cost-2000-sq-ft-home/) for methodology.
A 6.4 kW system in Texas costs roughly $19,300 installed before incentives. The 30% federal ITC reduces net cost to about $13,500. Texas exempts the added value of a solar system from property tax assessments under the Texas Property Tax Code Section 11.27, meaning installing solar does not increase your property taxes. Many Texas utilities and m...
At $13,500 net cost and ~$1,295/year in bill savings, simple payback in Texas is about 10.4 years.
Most Texas homeowners in this size range see **$40,800+** estimated 25-year savings vs utility power. Equivalent monthly bill: **~$124** — compare the [$150/month bill guide](/guides/solar-panels-150-month-bill/) for bill-based sizing.
The US average needs a 8.0 kW system at 11.0-year payback. Texas needs 6.4 kW with 10.4-year payback at 13.8¢/kWh and 5.6 sun hours.
$150/month electric bill by state
System size and payback vary by electricity rate and sun hours — see your state.