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Here are the states that have applied

States, which administer the federal funds, have some leeway relative to program design. They must apply for funding and can distribute rebates to consumers after their application is approved. New York launched the first phase of its rebates May 30. Five others — Arizona, Maine, New Mexico, Rhode Island and Wisconsin — have since launched rebate programs, too, according to U.S. Department of Energy data as of Sept. 24. "I'm expecting more and more to roll out," said Kara Saul-Rinaldi, president and CEO of AnnDyl Policy Group, a consulting firm focused on climate and energy policy.

Many more states, as well as Washington, D.C., have submitted applications or had them approved, according to DOE data: California, Colorado, Connecticut, Delaware, Florida, Georgia, Hawaii, Illinois, Indiana, Michigan, Minnesota, New Jersey, New Hampshire, Massachusetts, North Carolina, Oregon, Tennessee, Vermont, Washington and West Virginia. Together, these 26 states plus the District of Columbia have applied for $4 billion in total funding so far, the DOE said. The rebates are a new program, and "complex government programs like these take time and coordination to set up," according to a DOE spokesperson. "The Inflation Reduction Act put states in charge of designing and implementing Home Energy Rebate programs that fit their local needs," the spokesperson wrote in an e-mail. "As each state has different resources and capabilities, each state's timeline will be different."

South Dakota is not participating

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