Renewable portfolio standards (RPS) are a relatively novel way to promote renewable energy projects in the United States. Though more than half the states and the District of Columbia have taken the lead in mandating some form of RPS, none of the existing state programs are alike. The author proposes federal action to fix many of the problems plaguing individual state RPS programs and to persuade national policymakers, industries, and consumers to make a long-term commitment to renewable energy. If implemented properly, a nation-wide RPS could lower electricity rates for many consumers and utilities and may even induce more diversification in the electric utility industry.
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