2026 Brentwood (37027) Line-Item Benchmark Schedule Labor Index: 0.99x
Use this schedule when reviewing quotes from contractors in Brentwood, TN. Quotes exceeding these ranges by more than 18% typically contain dealer financing markups or unitemized overhead.
| TVA / NES / MLGW / EPB Benchmark (37027) | Without Solar (Utility Tariff) | With 9.5 kW Solar + Battery | Net Homeowner Impact |
|---|---|---|---|
| 2026 Residential Electric Rate | $0.136 / kWh (+18.2% in 3 yrs) | $0.068 / kWh Levelized | Locks in hedge against utility rate hikes |
| System Investment & 30% Federal Tax Credit | $0 Upfront ($1,872/yr forever) | Gross: $26,804 / ITC: -$8,041 | Net Cost: $18,763 (10 yr payback) |
| 25-Year Cumulative Utility Spend vs. Savings | -$64,584 | +$45,821 Net Savings | Includes 4.9 hrs/day peak solar irradiance |
Interactive 37027 Property Customizer Real-Time Math
Local Code, Rebate & Insurance Mandate Notes for ZIP 37027
Insurance & Wind/Hail Rule (Williamson County): Tennessee statutory matching rules protect homeowners when storm-damaged shingles are discontinued.
2026 Incentives & Utility Rebates: TVA EnergyRight $1,500 Heat Pump Rebate + $2,000 Federal 25C Credit
Permitting Authority: All structural roofing, electrical panel, and mechanical replacements in 37027 must be permitted through City of Brentwood Building & Permitting Division (Williamson County) (Design Wind Speed: 115 MPH).
Frequently Asked Questions — Brentwood, TN (37027)
What is the current electric rate for TVA / NES / MLGW / EPB in 37027?
Residential customers in Brentwood, TN (37027) served by TVA / NES / MLGW / EPB pay an average of $0.136/kWh, following a 18.2% tariff increase over the past 3 years.
How fast is the solar payback period in Brentwood, TN (37027)?
With 4.9 peak sun hours per day and the 30% federal tax credit ($8,041 savings on an 9.5 kW system), the average payback period in 37027 is 10 years, generating $45,821 in cumulative 25-year savings.