A handful of states already require new distributed resource installations to use smart inverters that meet a standard known as IEEE 1547–2018. As more devices that meet the standard become available, more states are evaluating such a requirement. The SunSpec Alliance expects that more than 30 states will set smart inverter requirements by April 2023 based on an examination of state regulatory dockets from the past year, said SunSpec Alliance Chair Tom Tansy in an email.
Most smart inverter manufacturers will be able to provide smart inverters to project developers and distributors sometime between March and August 2023, according to an analysis from the Interstate Renewable Energy Council (IREC) authored by IREC chief regulatory engineer Brian Lydic.
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