Xcel Energy recently refunded customers who volunteered to pay extra to support wind energy, which is now among the cheapest sources of electricity.
The Minnesota Public Utilities Commission last month required the utility to provide more information on its strategy to reduce electricity usage during busy times.
Xcel Energy is updating its grid congestion maps in Minnesota with new data and details for clean energy developers in response to an order from state regulators.
A proposal from the state’s Citizens Utility Board wants to make anonymous data open to third-party researchers.
A survey by the state’s solar industry association revealed more than 100 complaints about interconnection requests.