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Renewable Portfolio Standards - Introduction

Renewable Portfolio Standards (RPS) are state policies mandating a state to generate a percent of its electricity from renewable sources. Each state has a choice of how to fulfill this mandate using a combination of renewable energy sources, including wind, solar, biomass, geothermal, or other renewable sources. Some RPSs will specify the technology mix, while others leave it up to the market.

Choices are critical because states don't have the same renewable resources. For example, Arizona has greater solar resources than Oregon, and North Dakota has greater wind resources than Georgia.

Click here - for summaries of RPS policy, structure, and implementation for the twelve U.S. states that have implemented and enforced RPS policies.

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