NextEra Energy Partners (NEP -0.89%), the debt-laden subsidiary of NextEra Energy (NEE -1.36%), just refinanced about 11% of its debt, but the cost to pay that debt went up 71%. In this video, Motley Fool contributors Jason Hall and Tyler Crowe break down how this could be just the tip of the iceberg for rising interest costs that could upend the dividend. It could also cause serious problems for its parent company's cash flows, too.

*Stock prices used were from the afternoon of Dec. 5, 2023. The video was published on Dec 12, 2023.