The Clean Power Plan – Following a Consistent Approach to Setting State Goals

The Clean Power Plan – following a consistent approach to setting state goals
EPA’s proposed Clean Power Plan is continuing to get plenty of attention and lots of good questions. That’s great because it means people are digging into the proposal to see how it works.  We have heard a number of questions about the proposed state goals – and rightly so.  The proposed state goals are fundamental to how the program will cut pollution, so it’s important that you understand how we developed them, why they are different from state to state, and how states can meet them.  So let me provide a little more information.

How did EPA calculate the state goals?
As I mentioned last week, the Clean Power Plan works by setting state goals that gradually reduce each state’s carbon intensity rate, or “pollution-to-power ratio.” To do that, the state goals are determined by using a formula that takes the amount of CO2 emitted and divides it by the megawatt-hours of electricity generated (lbs/MWh). This is what we call a rate-based approach. Many other Clean Air Act rules have used emissions rates in the past to reduce other pollutants from power plants and many other types of facilities.

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