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Hydro Electric

Class I Hydropower in Connecticut

The Connecticut legislation establishing the state’s RPS created two classes of renewable energy (Classes I and II) and required that all electricity suppliers in the state include a certain percentage of each class in their electricity mix. In July 2003, the Connecticut legislature amended the RPS statute to include certain types of “run-of-the-river” hydropower as both a Class I and Class II source.

In order to qualify as a Class I renewable energy source, a hydropower operation must be “a run-of-the-river hydropower facility” that has “a generating capacity of not more than five megawatts, does not cause an appreciable change in the river flow, and began operation after July 1, 2003.”