Consider a residential retrofit project at [1] 2847 Oak Valley Drive, Austin, TX 78745 (Census Tract [1] 48453002402; Energy Community qualification due to closed coal plant [16]).
The property is a [2] single-family home of [3] 2,200 sq ft built in [4] 1995, consuming [5] 18,500 kWh annually with a [6] 200A electrical panel and [7] south-facing roof (30° pitch, minimal shading, 50 lbs/sq ft capacity).
The homeowner requests a comprehensive upgrade with a [10] $65,000 budget, including:
- [8]/[9] 8.5 kW solar PV (preference for US-made panels [14])
- [8]/[9] 13.5 kWh battery storage (Tesla Powerwall or equivalent)
- [8]/[9] Level 2 EV charger installation
- [8]/[9] Heat pump HVAC replacement (existing HVAC to be replaced)
The system must be operational by [12] March 2026 and should prefer [13] local union labor.
Note: [11] Financing preference not specified; [15] site constraints not specified.
[1] Street address (+ census tract)
[2] Building type
[3] Square footage
[4] Year built
[5] 12‑month energy use (kWh)
[6] Electrical panel capacity
[7] Roof characteristics (orientation, pitch, shading, structural capacity)
[8] Desired technology mix
[9] System sizing preferences
[10] Budget constraints
[11] Financing preferences
[12] Timeline requirement
[13] Labor preferences
[14] Domestic content requirements
[15] Site constraints
[16] Energy Community status (regulatory context)
Use the following headings in the model response. Where numbers are provided below, preserve them; otherwise compute/justify.
Recommended path
Claim §48 ITC at 30% base rate enhanced to 50% (30% base + 10% Energy Community + 10% Domestic Content), totaling $32,500 federal credit on the $65,000 investment.
Required actions
File prevailing wage certification by project start.
Source 40% domestic content for panels and 100% for inverters.
Engage IBEW Local 520 for installation.
Complete Form 5695 with supporting documentation.
Financial impact
Year 1 federal benefit: $32,500
Net cost post‑credit: $32,500
Expected production: 12,750 kWh annually
Simple payback: 11 years baseline → 5.4 years with credits
IRR: 18% baseline → 34% with optimization
Risk assessment
Audit probability score: 22/100 (low)
Rationale: straightforward residential install; clear Energy Community qualification
Compliance hygiene: maintain utility interconnection agreements and equipment spec sheets for 5 years