On April 28, 2005, Montana took a step towards increasing renewable generation in the state by passing Senate Bill 415, the Renewable Power Production and Rural Economic Development Act. The law requires that 10% of the electricity sold in Montana come from renewable sources by 2010 and 15% by 2015. On April 28, 2005, Montana Governor Brian Schweitzer signed the bill, which, in addition to the targets, calls for a renewable energy credit tracking system and leaves open the option to trade renewable energy credits outside of the state. The legislation contains a cost cap that encourages utilities to invest in renewable generation that is cost competitive with conventional generation.
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