But this has given rise to a new problem: Thoughtless tourists operating drones close to sea otter herds to get a closer look, scaring them so they head back out to sea; one time for about six months.

Earnings per share have been growing much quicker than dividends, potentially because Otter Tail is keeping back more of its profits to grow the business.

Otter Tail Corporation (NASDAQ:OTTR) last week reported its latest annual results, which makes it a good time for investors to dive in and see if the business is performing in line with expectations.