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Gov. Tony Evers is proposing to require the state’s utilities be carbon-free by 2050.

The proposal, which would go further than the self-imposed goals of almost all utilities, is part of a budget that would also significantly increase state funding for renewable energy and conservation.

Wisconsin would join Hawaii, which has established a goal of 100 percent renewable energy by 2045, and California, which last year adopted a bill mandating carbon-free electricity by the same deadline. Minnesota and Michigan have set targets of 80 percent carbon reduction by 2050.

Evers’ proposal calls for carbon-free electricity, which would include nuclear generation. About 15 percent of the state’s electricity is currently generated at the Point Beach Nuclear Plant. More than three-quarters of the total comes from fossil fuels.

Investor-owned utilities including We Energies, Alliant and Madison Gas & Electric have pledged to cut carbon emissions 80 percent by 2050.

In December, Xcel Energy, which serves about 250,000 customers in western Wisconsin, became the nation’s first major utility to commit to eliminating all carbon emissions by 2050. Exactly how remains uncertain.