Minnesota study finds it cheaper to curtail solar than to add storage

Utility Dive: A report on Minnesota's renewable energy potential challenges what has become a common assumption about energy storage and the curtailment of solar power generation.

The Solar Potential Analysis (SPA) report found that wind and solar power could serve 70% of Minnesota's electrical load in 2050, but "additional capacity coupled with energy curtailment is considerably less expensive than, and a viable alternative to, long-term or seasonal storage in a high renewables future."

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