My One Solar Regret
Why It Matters
The oversight highlights significant cost and regulatory risks for residential solar owners, emphasizing that early infrastructure planning enables scalable, battery‑integrated expansions without costly utility re‑approval.
Key Takeaways
- •Install conduit early to simplify future solar expansion
- •Dual-array setup separates grid‑tied and off‑grid panels for flexibility
- •DC‑coupled battery system avoids additional utility approvals during expansion
- •Ground‑mounted panels can add 15‑20 kW without permits easily
- •Retrofitting conduit later costs exponentially more than initial install
Summary
The video’s host, a homeowner with a 17.2 kW grid‑tied solar array, reveals a lingering regret: he failed to install a simple conduit during construction that would have allowed easy expansion of his system.
He explains that adding more panels now requires a full utility approval process—permits, engineering studies, fees, and possible size caps—unless the new array is kept off the grid. By using a DC‑coupled battery like Franklin’s A Power S, a second, ground‑mounted array can charge batteries and power the house without ever feeding the grid, sidestepping regulatory hurdles.
He notes, “It would have cost me maybe $500 then; now it would cost thousands,” underscoring the cost differential. The dual‑array design lets the roof array continue exporting power while the ground array can be expanded by 15‑20 kW without additional permission, automatically curtailing production when batteries are full.
The takeaway for residential solar adopters is clear: future‑proof infrastructure—such as PVC conduit and spare pathways—can dramatically reduce upgrade costs and avoid bureaucratic delays, positioning homeowners to leverage emerging battery‑integrated technologies.
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