Converting less than one-third of the roughly 1 million acres Wisconsin uses to grow corn for ethanol into solar farms would boost the state’s energy production and help reduce carbon emissions, according to a new report from Clean Wisconsin, an environmental advocacy nonprofit.

Clean Wisconsin looked at both the gross energy production and the energy “inputs” required for solar and ethanol production.

It found that 88 percent of the energy generated by solar goes to society and 12 percent is offset by production requirements. For ethanol, only 20 percent of the energy goes to society and 80 percent is offset by production.

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