The Minnesota Public Utilities Commission denied Minnesota Power’s application to construct a new natural gas facility to address anticipated energy requirements, instead directing the utility to pursue additional alternatives that would ensure system dependability. Environmental organizations including the Clean Grid Alliance, Fresh Energy, the Minnesota Center for Environmental Advocacy, and Sierra Club supported the regulatory decision, citing analysis demonstrating that locking in a costly gas plant construction project was unnecessary given the utility’s own projections indicated demand would not materialize for approximately nine years.
Clean energy advocacy groups had submitted a competing proposal based on expert analysis from Energy Futures Group and Synapse Energy Economics, arguing that alternative approaches would prove both cleaner and cost-competitive. The groups emphasized that natural gas plant construction and operational expenses have increased significantly due to demand from data center development. They noted that Minnesota Power’s original proposal would have positioned the utility to utilize carbon offsets or carbon capture technology to achieve compliance with the state’s requirement for fully carbon-free electricity by 2040.
The Commission’s order requires Minnesota Power to advance investigation into alternatives to the proposed gas plant, develop additional clean energy resources beyond those initially proposed, and enhance transparency regarding large electricity loads such as data centers entering its service region. The decision also mandates improvements in the utility’s utilization of energy efficiency programs and demand response mechanisms in future planning, along with measures to strengthen supplier and workforce diversity initiatives.
Regulatory observers noted that delaying approval preserves flexibility for the utility to adopt emerging technologies, including long-duration battery systems, which are expected to decline in cost and potentially offer viable alternatives prior to 2035, when Minnesota Power projected the new generation capacity would be needed. The utility had included the gas plant request in its most recent long-range energy strategy, which was submitted to regulators in March 2025 and subsequently revised in January 2026.
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