Solar Panel Cost in Houston, TX

Estimated costs and savings for ZIP code 77001 — updated for 2026

Urgent tax credit deadlines

  • Section 48E phase-out completes December 31, 2027 — projects must be placed in service by then (469 days left).
See the full deadline tracker

Gross Cost

$17,500

7kW system

Annual Savings

$1,964

$164/month

Payback Period

8.9 yrs

Break-even

Peak Sun Hours

5.5

hrs/day avg

Solar System Cost Breakdown — Houston, TX

Estimated costs and savings for different residential solar system sizes in ZIP 77001. Costs based on TX average of $2.50/W and utility rate of $0.16/kWh.

SystemCostSavings/yrPayback
4 kW$10,000$1,1228.9 yrs
5 kW$12,500$1,4038.9 yrs
6 kW$15,000$1,6838.9 yrs
7 kW(typical)$17,500$1,9648.9 yrs
8 kW$20,000$2,2448.9 yrs
10 kW$25,000$2,8058.9 yrs

Solar Production in Houston, Texas

Average Peak Sun Hours

5.5 hours/day

Excellent solar resource — among the best in the US

Est. Annual Production (7kW)

11,945 kWh

Based on 5.5 PSH × 7kW × 365 days × 85% efficiency

Average Utility Rate

$0.16/kWh

Above-average rates — good solar savings potential

Cost Per Watt in TX

$2.50/W

Below national average — competitive market

Solar Panel FAQ — Houston, TX

How much do solar panels cost in Houston, TX?
A typical 7kW solar system in Houston, TX (ZIP 77001) costs approximately $17,500 before any incentives. This works out to about $2.50 per watt installed. Smaller systems start around $10,000, while larger 10kW systems can cost up to $25,000.
How long is the solar payback period in Houston?
The average solar payback period in Houston, TX is approximately 8.9 years for a 7kW system. With estimated annual savings of $1,964, the system pays for itself and then generates free electricity for the remaining 15-20+ years of its lifespan.
How much can I save with solar panels in 77001?
Homeowners in Houston, TX (ZIP 77001) can save approximately $164 per month or $1,964 per year with a standard 7kW solar system. Over 25 years, total savings can exceed $49,100, depending on utility rate increases.
How many peak sun hours does Houston get?
Houston, TX receives an average of 5.5 peak sun hours per day. This is above the national average, making solar highly effective in this area.
What size solar system do I need for my home in Houston?
The average home in Houston, TX needs a 7kW solar system to offset their electricity usage. The exact size depends on your monthly electric bill, roof orientation, and available space. A 7kW system would produce approximately 11,945 kWh annually in ZIP 77001.

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Written & reviewed by

EnergyTools Research Team — Solar Energy Research Group

The EnergyTools Research Team compiles and verifies residential solar data from NREL, EPA, and state utility commissions. Methodology is reviewed quarterly.

  • Source data: NREL PVWatts V8 + Utility Rates V3 APIs
  • Source data: EPA FuelEconomy.gov vehicle efficiency data
  • Methodology reviewed quarterly

Methodology & data sources:NREL PVWatts, EPA FuelEconomy.gov, state utility commissions— updated 2026.