Path-Q Solar
How should a home buyer evaluate whether existing solar is worth keeping?
Answer
Evaluate the system as both equipment and a contractual obligation. Confirm ownership, age, condition, actual production, remaining warranties, maintenance history, future repair exposure, and whether any lease, loan, service agreement, or transfer requirement follows the property.
Key points
- Compare measured production with the system's expected production and the home's consumption.
- Identify the age and condition of panels, inverters, mounting, wiring, and monitoring.
- Value the system using documented savings and obligations, not only the seller's claimed installation cost.
What it depends on
- System ownership and contract terms
- Equipment age, condition, and warranty status
- Historical production and electricity use
- Roof condition and remaining useful life
- Transfer, insurance, and maintenance requirements
Risks and trade-offs
- A low-cost or paid-off system can still need near-term inverter or roof work.
- An attractive production history may not continue if shading or equipment conditions change.
- Unclear contract transfer terms can delay or jeopardize the purchase.
Information you may need
- Contracts, invoices, warranties, and transfer documents
- Production and monitoring history
- Equipment list and maintenance or repair records
- Recent electricity bills and roof inspection information
Your next step
What to do next
Make the purchase conditional on document review and, where material, an independent solar and roof inspection before assigning value to the system.
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