Purpose

To update Minnesota energy law by redefining carbonfree electricity and broadening which technologies count toward carbonfree generation, while also clarifying who is considered an electric utility and where environmental justice considerations apply. The changes aim to influence how utilities meet or report carbon-free energy requirements and how various energy sources are treated under the state’s clean-energy framework.

Main Provisions

• Redefinition of carbonfree

  • Carbonfree means a technology that generates electricity without emitting carbon dioxide. The definition now explicitly includes wood chips derived from limbs, branches, and other byproducts of timber harvesting when used by a utility to generate electricity for retail sale in Minnesota (as of the act’s effective date and after).

• Expanded list of eligible energy technologies

  • Solar
  • Wind
  • Hydroelectric power, with capacity constraints:
  • Less than 100 megawatts, or
  • 100 megawatts or more, provided the facility was in operation as of February 8, 2023
  • Hydrogen produced from the listed resources or other defined sources
  • Biomass, including:
  • Landfill gas
  • Anaerobic digester systems
  • Predominantly organic components of wastewater effluent and sludge or related byproducts from publicly owned treatment works
  • Excludes incineration of wastewater sludge to produce electricity
  • With an exception noted for energy recovery facilities that capture the heat value of mixed municipal solid waste or refuse-derived fuel from MSW used as a primary fuel
  • Other specified definitions and exceptions as provided in the bill text

• Electric utility definition

  • Broadly covers public utilities, generation and transmission cooperatives, municipal power agencies, power districts, and cooperative or municipal utilities that are not members of certain entities referenced in the statute.

• Environmental justice area criteria

  • Defines Environmental Justice areas using U.S. Census data with thresholds such as:
  • 40% or more of the area’s population is nonwhite
  • 35% or more of households earn at or below 200% of the federal poverty level
  • 40% or more of residents over age five have limited English proficiency
  • The area is located within Indian country (as defined in federal law)

• Total retail electric sales

  • Defines the annual kilowatt-hours sold in Minnesota by an electric utility to its retail customers or to a distribution utility for distribution to customers.

Significant Changes to Existing Law

• The definition of carbonfree electricity is broadened to explicitly include certain biomass sources and wood-derived byproducts, expanding what counts toward carbon-free generation.
• The list of eligible energy technologies is expanded beyond traditional renewables to include biomass (with specific sources), hydrogen, and certain hydroelectric facilities, with capacity-based conditions.
• The bill adds explicit environmental justice area criteria to determine where certain energy programs or considerations apply.
• It clarifies and expands the set of entities that qualify as electric utilities for the purposes of the statute.

Potential Implications

• Utilities may be able to count a wider range of energy sources as carbonfree, potentially affecting compliance with clean-energy goals and how they plan generation mix.
• Inclusion of wood-derived biomass and MSW-related energy could change procurement decisions and fuel sourcing.
• Environmental justice criteria may influence where programs or impacts are prioritized or evaluated.
• The expanded definitions could affect reporting, credits, and regulatory requirements for Minnesota electric utilities.

Key Terms (explicitly mentioned or central to impact)

carbonfree; eligible energy technology; solar; wind; hydroelectric; hydrogen; biomass; landfill gas; anaerobic digester system; wastewater effluent; sludge; publicly owned treatment works; incineration; energy recovery facility; mixed municipal solid waste; refuse-derived fuel; environmental justice area; nonwhite; federal poverty level; limited English proficiency; Indian country; electric utility; total retail electric sales; kilowatt-hours; Minnesota Statutes 216B.1691.

Relevant Terms carbonfree, eligible energy technology, solar, wind, hydroelectric, hydrogen, biomass, landfill gas, anaerobic digester, wastewater effluent, sludge, publicly owned treatment works, incineration, energy recovery facility, mixed municipal solid waste, refuse-derived fuel, environmental justice area, nonwhite, federal poverty level, limited English proficiency, Indian country, electric utility, total retail electric sales, kilowatt-hours, 216B.1691.