EPA’s Clean Power Plan Needs Nuclear Energy On The Menu

Matt Wald

The following is a guest post from Matt Wald, senior director of policy analysis and strategic planning at NEI.

It’s so obvious that it shouldn’t bear repeating, but it does: If you’re worried about climate change, one early, easy remedy is to preserve nuclear power plants that are already running. If you are facing limits on carbon emissions, don’t shut down perfectly serviceable merchant nuclear plants, just because cheap natural gas has left them, for now, a few bucks out of the money in the competitive electricity markets.

Last Thursday the National Association of Clean Air Agencies, a group made up of officials from 42 states and the District of Columbia, plus 116 metropolitan areas, released its 465-page “Menu of Options” for complying with the Environmental Protection Agency’s Clean Power Plan (Section 111 (d) of the Clean Air Act).

We could quibble with some details, like describing nuclear technology as “mature.” It is highly developed, but it has evolved markedly in the last 20 years, and that will continue. Don’t discount the idea of new designs and fresh reactor concepts that will change the energy world in the 2020s or 2030s.

We could also argue with the report’s characterization of nuclear power as not renewable; when circumstances favor it, the world will build plants that make more fuel than they consume, and can go back to pull energy resources out of spent fuel.

But the menu makes two very clear points. First, drawing on a finding of the EPA, it concludes, “preserving the availability of existing units that might otherwise be retired is a cost-effective way to reduce GHG emissions.” (In fact, taking a reactor out of the mix now is a bit like trying to pilot a ship through a storm, deciding that it will be necessary to bail, and instead of pumping water out of the bilge, pumping it in.)

Nuclear energy. Down in the weeds, but in a sweet spot.

And second, “zero emissions” are never precisely zero, but they get pretty close. The study lists a cradle-to-grave, “lifecycle” estimate of emissions, including construction, fabrication, fuel processing, etc, for twelve technologies, based in hundreds of separate studies. The handbook gives an upper and lower bound. Nuclear is, to use the technical term, down in the weeds, lower than biopower and photovoltaics, in the ballpark with geothermal, and a smidgen above wind. Combined cycle natural gas, which rules the market for the time being – as long as carbon emissions are completely free, and emissions of other air pollutants are not counted in dollar terms – are about ten times higher; coal, depending on the technology, is twelve to fifteen times higher.

The handbook also compares “levelized costs,” (see below) that is, costs that take into account fuel, construction expense, and the lifetime of the asset. These, too, are expressed in a range. For the central estimate, new nuclear is, in fact, pricey, but not nearly as expensive as the two forms of solar – photovoltaic cells, or thermal systems, which use the sun’s heat to boil water.

Priced more competitively than you might think.

Energy from wind can be slightly cheaper, but you don’t get to pick when the wind blows.

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