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Could other exceptions include MN’s new carbon law/Public News Service

Minnesota is finalizing details before attempting to achieve a completely carbon-free electricity goal by 2040.

Some environmental advocates believe that turning over energy sources to regulators would defeat the purpose of the new law. The state Public Utilities Commission is seeking public comments through July 10 on which technologies should be included in the bill’s list of energy options. Utilities, advocacy organizations and others contribute.

Hudson Kingston, legal director of the group Clean Up the River Environment, was concerned that some recommendations he said were questionable would ultimately be adopted.

“Comments suggesting that burning wood, biomass and garbage is – in some people’s opinion – carbon-free, even though when you burn garbage or wood you emit quite a lot of carbon,” Kingston noted externally.

The Minnesota Forest Resources Partnership says burning tree limbs or wood left over from wildfires or disease restoration projects is a viable substitute for fossil fuel production. The group said it would also reduce the amount of harmful sulfur and mercury entering the air. Initial public comments will be accepted until June 28. The deadline for submitting responses is July 10.

Kingston noted that the focus on the definition has a lot to do with what is considered a renewable energy source versus green technology that emits no carbon dioxide at all.

“There was a policy decision made some time ago that burning certain things could be considered renewable,” Kingston explained. “But under the zero-emission standard, the Legislature has no list that would exclude incineration.”

Kingston believes the new law is clear because it is based only on proven zero-emission sources, even if regulators want transparency through public comments. In adopting the landmark policy last year, Minnesota leaders allowed other exceptions, namely “thresholds” for utilities struggling to meet standards if clean energy technologies are too costly or hinder grid reliability.

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