Hawaii's main electric utility, Hawaiian Electric, aims to cut carbon emissions from power generation by 70% by 2030 (from 2005 levels), shutter the state’s last coal plant in 2022, and add nearly 50,000 rooftop solar systems across the islands. The new interim target is intended to help meet Hawaii’s legislated goal of achieving net zero or net-negative carbon emissions by 2045 or sooner. In 2020, Hawaiian Electric blew past the mandated 2020 renewable energy target of 30%, reaching 34.5% by year end. As well as shutting the coal plant, it will retire at least six fossil-fueled generating units and reduce the use of others as new renewable energy resources come online.

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