On the darkest day of the year, chicken eggs

Here's a problem with chickens: not laying eggs in winter.
It's not the cold, but the darkness.  Hens need to experience a certain amount of daylight to be able to lay.
In Vermont, the winters can get pretty dark.  We've grown used to no eggs from November through February.

Until now.  We figured out how to light up the chicken house without wiring it to the grid.

First step: solar collector, mounted nearby:

Next, solar light within the structure:

Next, enjoy eggs.