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thermal efficiency

Clean Power Plan and the Heat Rate Fairy

By Energy Efficiency, Energy Rant 2 Comments
As you must know, the EPA’s release of its Clean Power Plan on June 2nd of this year includes four “building blocks” to achieve a 30% reduction of carbon dioxide emissions by 2030, using a reference year of 2005.  Those building blocks are as follows: Improve the heat rate (efficiency) of coal-fired power plants by 6% “Re-dispatch” natural-gas generators to achieve a capacity factor of 70% Development and preservation of clean sources, including nuclear, hydro, and renewable sources Demand side energy efficiency Does the EPA have any engineers on staff?  Did any of them provide input and/or oversight for the...
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Dodging the Absurd

By Energy Efficiency, Energy Rant No Comments
In Stalin Lives, I mentioned our plan for securing an ENERGY STAR® clothes washer and dryer for our house.  What I did not mention was that the local appliance stores do not even stock gas-heated dryers. Think about how stupid it is to generate electricity with maybe 35% thermal efficiency, lose 10% of it to line losses, as discussed last week, in it’s transport to the home and then use this high-value energy as a toaster coil to dry clothes.  We, as well as I am sure millions of households, use “gas”, natural gas in our case and propane in...
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