Is there really any need for baseload power ?  

Posted by Big Gav in , ,

Tom Raftery has a post on the enduring "baseload fallacy" (pdf) beloved of the nuclear power zealots - Is there really any need for baseload power?.

The electricity grid may not need “baseload” generation sources like coal and nuclear to backup the variability of supply from renewables.

Jon Wellinghof is the Chairman of the US Federal Energy Regulatory Commission (FERC). FERC is an independent agency that amongst other things, regulates the interstate transmission of electricity, natural gas, and oil – for more on FERC’s responsibilities see their About page. Chairman Wellinghoff has been involved in the energy industry for 30 years and appointed to the FERC as a commissioner by then president Bush in 2006.

Last year, shortly after being appointed as Chairman of the FERC, Mr Wellinghoff announced that:
No new nuclear or coal plants may ever be needed in the United States….

Wellinghoff said renewables like wind, solar and biomass will provide enough energy to meet baseload capacity and future energy demands. Nuclear and coal plants are too expensive, he added.

“I think baseload capacity is going to become an anachronism,” he said. “Baseload capacity really used to only mean in an economic dispatch, which you dispatch first, what would be the cheapest thing to do. Well, ultimately wind’s going to be the cheapest thing to do, so you’ll dispatch that first.”…

“What you have to do, is you have to be able to shape it,” he added. “And if you can shape wind and you can effectively get capacity available for you for all your loads.

“So if you can shape your renewables, you don’t need fossil fuel or nuclear plants to run all the time. And, in fact, most plants running all the time in your system are an impediment because they’re very inflexible. You can’t ramp up and ramp down a nuclear plant. And if you have instead the ability to ramp up and ramp down loads in ways that can shape the entire system, then the old concept of baseload becomes an anachronism.”

... However, a study published last week by the Maryland-based Institute for Energy and Environmental Research backs Chairman Wellinghoff’s assertion. In a study of North Carolina’s electricity needs it concluded backup generation requirements would be modest for a system based largely on solar and wind power, combined with efficiency, hydroelectric power, and other renewable sources like landfill gas ...

With larger and more inter-connected electricity grids, the requirement for baseload falls even further because the greater the geographical spread of your grid, the greater the chances that the wind will be blowing or the sun shining in some parts of it.

So, is there really any need for baseload power any more, or is this now just a myth perpetuated by those with vested interests?


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