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Updated Corn Ethanol Economics
By Mr Ethanol | June 26, 2008
The Oil Drum:
Executive Summary: The current cost to produce a gallon of ethanol is approximately $3/gal. The current price of ethanol is $2.86/gal, which explains why ethanol producers are shutting down. If corn and natural gas prices remain high, I think ethanol has to rise to something like $3.40-$3.60/gal to make it worthwhile to ethanol producers. So, if I was a commmodities investor, I would probably go long ethanol right now. The only risk factors I can see - given that there is a mandated (and rising) demand for ethanol - is if corn or natural gas prices collapse. The other remote possibility is that that mandate is repealed, but I don’t see that happening.
This is an update to a post I originally made back in February 2008: Corn Ethanol Economics. While this is approximate, I think I captured most of the major economic considerations. In fact, one of the comments I received following the first essay was: “I work in an ethanol plant. Those numbers are pretty accurate, but the price we get for ethanol has been going up lately. Our margins have been poor lately, but are improving. But you did capture the important economic factors that have hurt us lately.”
Since then, natural gas, corn, and ethanol prices have all risen. So what do the economics look like today? The following is my previous analysis, with updated numbers.
I found multiple references for all of the numbers I am going to use, but I will only reference a single source. According to Ethanol Reshapes the Corn Market, one 56-pound bushel of corn will yield up to 2.7 gallons of ethanol and 17.4 pounds of distiller’s dried grains with solubles (DDGS).
The price of corn for July delivery as of this writing is $7.24/bushel, so each gallon of ethanol contains $7.24/2.7, or $2.68 of corn per gallon of ethanol. However, the DDGS can be sold, so a credit is applied for that. The current price of DDGS as of this writing is $175/ton, which is $0.0875/lb. Given that a bushel of corn yields 17.4 pounds of DDGS, there is then a $1.52 credit, which spread over 2.7 gallons is equal to $0.56 gallon. This reduces our cost per gallon to $2.68 minus $0.56, or $2.12 for just the corn input. (Note that there is sometimes a credit for carbon dioxide sales, but it is very small relative to the other costs and credits). Read more.
Topics: Ethanol Prices, Market, News |
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