Lloyd’s of London is a large insurer and is very interested in the potential liability that they are exposed to from the various insurance policies that they’ve underwritten.

In 2013, they published a report[0] considering the effects of solar storm risk to the North American electric grid.

tldr; it’s all about the transformers

[0] - https://assets.lloyds.com/assets/pdf-solar-storm-risk-to-the...