I dunno what it is about a certain kind of solar power sales person, but they’re all about the spam. In trying to find details for tagging solar hot water heaters, I found a couple of no-edit accounts with word-number-word algorithmically-generated names: push36queen and cry3dime

There are probably more.

If you do happen to be looking at how to tag solar hot water, this looks about right: Node: 2671563575