It looks like Boeing's latest multijunction line ships at 30.7% efficient: https://www.spectrolab.com/photovoltaics.html#cells_cics https://www.spectrolab.com/

It looks like Boeing's latest multijunction line ships at 30.7% efficient: https://www.spectrolab.com/photovoltaics.html#cells_cics https://www.spectrolab.com/photovoltaics.html#cells_cics Which seems about right, but what I didn't realize is that they're shipping >40% concentrators too. That's pretty great! https://www.spectrolab.com/photovoltaics.html#cells_cics https://www.spectrolab.com/photovoltaics.html#cells_cics (That last link was supposed to be for the concentrator section at the bottom of that page, but I don't think it's a normal # bookmark)