Minnesota PUC Tightens Natural Gas Extension Rules, Pushes Efficiency Standards
St. Paul, MN — In a step that reflects shifting expectations for the state's energy future, the Minnesota Public Utilities Commission (Commission) approved new rules governing how regulated gas utilities extend natural gas service to new customers – balancing the push toward cleaner, more efficient homes with continued commitments to reliable and affordable service.
The Commission directed rate-regulated gas utilities to file a new Energy Conservation and Optimization (ECO) program, which funds energy-saving measures for customers. New single-family homes participating in these programs must exceed state building code efficiency minimums, use a heat pump rather than a central air conditioner, and avoid rebate conditions tied to specific gas appliances. The goal is to direct ratepayer-funded incentives toward cleaner, more efficient homes. These programs are subject to review and approval by the Minnesota Department of Commerce.
The Commission also directed Xcel Energy to evaluate specific dual-fuel heating models as part of previously required discussions on rate design in its upcoming Gas Integrated Resource Plan (IRP). These models use electricity for most heating and switch to natural gas only during the coldest hours of the day, reducing emissions while managing heating costs and mitigating costly electric peak demand.
On costs, the Commission standardized footage allowances for new residential connections at no more than 75 feet for service lines and 80 feet for mains. Utilities that see three consecutive years of declining throughput or declining average residential usage must file a report for Commission review.
"The Commission has built real momentum around heating alternatives like heat pumps and geothermal through the Natural Gas Innovation Act and other utility programs. Our priority is to support the development and deployment of cost-effective, clean alternatives to heating and other natural gas end uses — not the immediate elimination of natural gas options," said Commissioner Audrey Partridge. "The Commission's decision focuses on helping customers transition to cleaner technologies while keeping service reliable and affordable, rather than restricting access and pushing Minnesotans toward unregulated fuels like propane."
The Commission will address broader strategic questions – long-term system utilization, decarbonization pathways, and electric-gas planning integration – through Minnesota's first Natural Gas Integrated Resource Plans, which are due this summer.
Full record information available in Docket 21-565.
About
The Minnesota Public Utilities Commission regulates three cornerstone service industries in Minnesota's economy: electricity, natural gas and telephone. The Commission’s mission is to create and maintain a regulatory environment that ensures safe, adequate, and efficient utility services at fair, reasonable rates consistent with State telecommunications and energy policies. It does so by providing independent, consistent, professional, and comprehensive oversight and regulation of utility service providers. Learn more at mn.gov/puc.
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