@Opus 17 wrote:
However, the personal solar credit only says "completed". I have always before taken the position that the solar credit could not be claimed until the system was placed in service, but a couple of months ago, another customer asked about the difference between placed in service and completed, and I have to admit that I don't know the difference other than the AI summary above, and I can't find any IRS guidance.
Interestingly, a well-known and highly respected tax professional posted his opinion and logic about this today:
https://www.tomtalkstaxes.com/p/solar-installation
