huainie

### Checklist - [X] I am using the current [`master`](https://github.com/PyPSA/pypsa-usa/tree/master) branch - [X] I am running on an up-to-date [`pypsa-usa` environment](https://github.com/PyPSA/pypsa-usa/blob/master/workflow/envs/environment.yaml). Update via `conda env update -f envs/environment.yaml` ### The...