I received a substantial (though not overwhelming) inheritance from a grandparent in the summer of 2001.
After 9/11 and into the new year interest rates plummeted and I ended up investing the entire sum in Con Edison because at the price I paid my dividend was about 6.75%
while savings interest and CD interest were almost non-existent. No offer has ever topped what I'm earning based on that initial investment and I continue to reap the benefits of reinvested funds.
I pay a portion of the ConEd bill for the shared NYC condo I use as a U.S. base, but that doesn't amount to much. I do note, however, that the "deliver" charge for electricity is 2.5 times the cost of the energy itself, which would anger me if I was not benefiting from my investment.