![](https://www.minnpost.com/wp-content/uploads/2024/08/BoswellEnergyCenter940.jpg)
State regulators warned Minnesota Power about leaks before coal ash spill
MinnPost’s Daily Newsletter The latest on the politics and policy shaping Minnesota. Delivered straight to your inbox. Welcome to the Glean, MinnPost’s twice-daily roundup of Minnesota news. Never miss The Glean MinnPost’s twice-daily roundup of Minnesota …