On & Off The Grid

Dispatches from the global solar revolution

Solar Panels & Sandwiches: Quality Matters

By , in Manufacturing, Technology

At Yingli Solar, we make solar panels that are designed, built, and proven to perform. But most top-tier, large-scale solar panel manufacturers – including Yingli – operate very similar production lines. So, what makes one company’s panel better or worse than all the rest?

It might help to think about a solar panel like a sandwich. Almost every deli makes sandwiches in the same way: two slices of bread, cheese, meat, maybe a veggie or two – but you can taste the difference between turkey that’s freshly sliced and turkey…