Minnesota’s study also included a higher scenario in which wind and solar energy reached 50 percent in Minnesota and 25 percent across the regional power system that includes Minnesota. That analysis found no problems for the reliability metrics it examined, including accommodating the variability of wind and solar output. The study authors noted that further analysis would be required to examine highly localized reliability issues in the 50 percent scenario, as they did not have time to fully check those localized issues. The state of Minnesota will hold a webinar today to review the results of its study in more detail.
Minnesota’s study should provide states and utilities with further evidence that as they explore ways to relaibly integrate more wind energy, the sky is the limit.