Just Wondering......

After a power outage here yesterday morning, in which the circumstances were unusual, and a low voltage condition existed for a time prior to complete failure,
I began wondering what sort of liability, if any, applies to our supplier, BC Hydro.

A search of their Tariff reveals the following:-

I wonder how many of us have actually read this interesting composition before?
I would also be interested in knowing how well this might stand up in a law court.