Selecting solar panels has become more nuanced as cell architectures continue to advance and factories shift their production lines toward higher‑efficiency platforms. For anyone involved in manufacturing or system design, understanding the distinctions between modern panel types is essential. Among the current options, N‑type and heterojunction (HJT) technologies have gained strong attention due to their performance, reliability, and compatibility with future trends in photovoltaic engineering. When evaluating panels for either industrial deployment or consumer installations, knowing how these technologies behave from a factory technologist’s perspective provides a clearer foundation for informed decisions.