2026 Birmingham (48009) Line-Item Benchmark Schedule Labor Index: 1.1x
Use this schedule when reviewing quotes from contractors in Birmingham, MI. Quotes exceeding these ranges by more than 18% typically contain dealer financing markups or unitemized overhead.
| DTE Energy / Consumers Energy Benchmark (48009) | Without Solar (Utility Tariff) | With 10.9 kW Solar + Battery | Net Homeowner Impact |
|---|---|---|---|
| 2026 Residential Electric Rate | $0.198 / kWh (+25.1% in 3 yrs) | $0.068 / kWh Levelized | Locks in hedge against utility rate hikes |
| System Investment & 30% Federal Tax Credit | $0 Upfront ($2,736/yr forever) | Gross: $34,172 / ITC: -$10,252 | Net Cost: $23,920 (8.7 yr payback) |
| 25-Year Cumulative Utility Spend vs. Savings | -$94,392 | +$70,472 Net Savings | Includes 4.3 hrs/day peak solar irradiance |
Interactive 48009 Property Customizer Real-Time Math
Local Code, Rebate & Insurance Mandate Notes for ZIP 48009
Insurance & Wind/Hail Rule (Oakland County): Two-course ice-and-water shield is required by Michigan Residential Code along all eaves.
2026 Incentives & Utility Rebates: DTE/Consumers Energy Cold-Climate Heat Pump Rebates ($1,500) + Michigan Home Energy Rebates
Permitting Authority: All structural roofing, electrical panel, and mechanical replacements in 48009 must be permitted through City of Birmingham Building & Permitting Division (Oakland County) (Design Wind Speed: 115 MPH).
Frequently Asked Questions — Birmingham, MI (48009)
What is the current electric rate for DTE Energy / Consumers Energy in 48009?
Residential customers in Birmingham, MI (48009) served by DTE Energy / Consumers Energy pay an average of $0.198/kWh, following a 25.1% tariff increase over the past 3 years.
How fast is the solar payback period in Birmingham, MI (48009)?
With 4.3 peak sun hours per day and the 30% federal tax credit ($10,252 savings on an 10.9 kW system), the average payback period in 48009 is 8.7 years, generating $70,472 in cumulative 25-year savings.