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Waco solar costs $2.05–$2.45/W in Oncor territory. A 10 kW system runs ~$22,500. McLennan County's 2.28% property tax rate gives Waco the highest solar property tax savings in the I-35 corridor. Full Oncor incentives — up to $9,000 battery rebate and TXU retail-match. No federal 25D.
2026 Alert: Federal 25D expired. $0 federal credit. Propel Solar uses a third-party owner for commercial ITC.
Waco gets competitive pricing from DFW and Austin installers along I-35. McLennan County's high tax rate amplifies the property tax exemption value.
McLennan County's 2.28% effective tax rate is the highest along the I-35 corridor, making Waco's solar property tax exemption the most valuable in the region.
File Form 50-123 with McLennan County Appraisal District (MCAD) by April 30. At 2.28% on $22,500, saves $513/year in the first decade. Waco's higher rate means you recoup more of your solar investment through tax savings than any other I-35 corridor city.
Waco is Oncor territory — TXU retail-match available.
| REP | Plan | Rate | Contract | Rollover |
|---|---|---|---|---|
| TXU EnergyTop Pick | Solar Buyback 24 | Retail-match | 24 mo | |
| TXU Energy | Solar Buyback 12 | Retail-match | 12 mo | |
| Green Mountain Energy | Solar Buyback 36 | 8.5¢/kWh fixed | 36 mo | |
| Chariot Energy | Solar Buyback 24 | 7.0¢/kWh fixed | 24 mo | |
| Constellation | Solar Buyback 12 | 6.5¢/kWh fixed | 12 mo | |
| Shell Energy | Solar Buyback 24 | 6.0¢/kWh fixed | 24 mo | |
| Rhythm Energy | Solar Buyback | Wholesale (variable) | Mo-to-mo |
Waco sits in the transition zone between DFW Hail Alley and calmer Austin. Moderate risk — enhanced panels worth considering.
| Panel | Rating | Hail Size | Warranty |
|---|---|---|---|
| SunPower Maxeon 7 | IEC 61215 enhanced | 35mm | 40 yr |
| REC Alpha Pure-RX | IEC 61215 enhanced | 35mm | 25 yr, 92% |
| Canadian Solar HiKu7 | Standard + enhanced | 25mm | 25 yr, 84.8% |
| Qcells Q.Peak DUO | IEC 61215 enhanced | 35mm | 25 yr, 86% |
Estimate your Waco solar costs and savings.
Estimate your solar cost, payback period, and 25-year savings for any major TX metro.
Federal Residential Solar Tax Credit (Section 25D) Expired
Homeowners who purchase solar with cash or a loan receive $0 in federal tax credits. Section 25D expired December 31, 2025.
CenterPoint delivery area. Deregulated — choose a solar buyback REP for best export value. High humidity reduces panel efficiency slightly. Strong solar irradiance despite cloud cover. Largest TX solar market by installed capacity.
Cost Range
$2.00–$2.40/W
Peak Sun Hours
5.3 hrs/day
Avg Electric Rate
$0.14/kWh
County Tax Rate
2.31%
Annual Production
15,476
kWh/year
Annual Savings
$1,800
per year
Payback Period
12.2
years
25-Year Savings
$65,627
total
Estimates based on average 2026 TX solar pricing, 5.3 peak sun hours/day, 0.5%/year panel degradation, 3%/year electricity rate increase, and TX property tax exemption (Tax Code §11.27). Actual costs vary by installer, roof condition, and system configuration. Section 25D residential ITC expired Dec 31, 2025 — $0 federal tax credit for cash/loan purchases.
$0 down, fixed payment, ownership by year 5. Available in Waco (Oncor territory).
Third-party captures 30% commercial ITC.
~10% savings from day one.
Silfab 440W panels, free maintenance.
Last updated: March 8, 2026.