Emissions compliance costs soar as Washington seeks major cuts

By Anne C. Mulkern | 12/16/2025 06:27 AM EST

The price of Washington’s pollution allowances hit a record high. The state might soften its ambitions deadlines for emissions reductions.

Emissions spew from a factory near Tacoma, Washington.

Emissions spew from a factory near Tacoma, Washington. The state might ease its ambitious goals for reducing greenhouse gas emissions. Ted S. Warren/AP

Washington’s major polluters are facing such high costs to comply with the state’s ambitious mandates for cutting carbon emissions that state officials are considering softening compliance deadlines.

At a quarterly state auction last week, the price of pollution allowances hit a record high $70.86 — a 75 percent increase from the auction price one year ago.

Washington requires polluters to pay the state allowances as compensation for their emissions.

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But as Washington demands steeper emissions cuts, it is limiting the supply of allowances, which is driving up the price.

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