That depends on how you measure it.



– The current ranks and leaders:

– Recent increases by state:


The Future.

California, Minnesota, Maine, Colorado, and New York have the strongest regulations to require renewable power in the future as a portion of their total. Each has a target to achieve 30% or more at or before the end of the decade. (Hawaii receives an honorable mention with a target of 40% by 2030, but only 25% by 2020.) More at:


No matter how you measure it, the good news is that most states have RPS. For more on this, see:

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