Stellar Blog

You may have seen it in your solar proposal: “Return on investment in 2–3 years.” On paper, it looks compelling. In reality, many system owners later ask us the same question: “Why isn’t my system producing what we were promised?” Bills are lower — but not by as much as expected. Production graphs fall short of projections. And the ROI timeline quietly stretches from years into many more years . In most cases, the issue is not the panels, the inverter, or even the weather. It