Estimated budget (and we all know that it will be higher than estimated) 39.2M$
IBM Tech Eng: Solar Lights (clutter) attached by steel wire-cable will do the trick when angled to receive the sunlight and/or light. Of course, in the summer it will shine much longer yet, IBM will make it happen even during Winter shorter days – ingenuity innovation and intelligence best management.
I live in Canada. This project is FREE.
Thank you husband of mine.