I have no idea why, but the power in my neighborhood has always been a bit flaky. Our lines are underground, so it shouldn't really be that way. This morning the weather is calm, mild, and sunny - so of course, the power was out.

The only thing I can think of is that there's always more power in use than the original plans assumed. That's not a huge surprise - most electronics have a sleep mode that continues to draw power, and I leave most of the computers running 24x7. While we have more computers DVRs than many people, we probably aren't that far above the average in this area - and the three refrigerators aren't at all odd.