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Storing Pellets - Long Term

Post in 'The Pellet Mill - Pellet and Multifuel Stoves' started by heb80, Mar 5, 2008.

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  1. heb80

    heb80 New Member

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    How long can pellets be stored for? If you can get a decent deal and have the space, is it a bad idea to stock up on pellets for several winters? Will the summer humidity deteriorate the pellets summer after summer?

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  2. JustWood

    JustWood Minister of Fire

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    I'm no expert on pellets but I would think that if stored in a low humidity environment and not exposed to large and fast temperature swings (which would create condensation inside the bags) they would last indefinately.
  3. Tailrace

    Tailrace New Member

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    That's a good question, something I'm real interested in. How about storing them for just one year also, how will that effect the pellets? With the thought of pellet prices skyrocketing my plan was to buy now for the next heating season, but the whole humidity thing is a concern of mine too.
  4. Dougsey

    Dougsey Feeling the Heat

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    I've carried pellets over to the next winter and they were fine but I wouldn't buy multiple years worth.

    Not sure what more than one summers worth of humidity would do.
  5. mike5752

    mike5752 New Member

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    Storing wood pellets for long periods should not be a problem if stored properly. Most pellet manufacturers store inventory outside and if wrapped properly hold up very well. Mor than likely if you purchase wood pellets in November they could have very well been produced in April or earlier, that dwell time will decrease as the season continues. Generally now is the best time to buy your pellets if you have a good place to store them as they should be fresh and you will be in control of how they are stored.
    Condensation may occur on the outside of the bags if they are moved from a very cold location to a warm location, however the condisation will be on the outside of the bags and the pellets should be fine if the bag doesn't have any holes caused by damage. I have actually done this by testing the moisture content of pellets that had extreme condisation on the bag after being brought in from the cold and left in a warm enviroment overnight. When the bag was opened the inside of the bag still had dust residue on the inside of the bag and the moisture content was still under 6%.
    I you can store your pellets inside a DRY outbuilding they should keep for quite sometime. As long as the pellets do not get wet they should keep indefinitely as they are made from dried wood just as a hardwood floor or the wood furniture in your home. If you are considering stocking up just plan to store your wood pellets in a place that you wouldn't care to store a piece of wood furniture that you don't want to get damaged by the elements. I have stored pellets in my garage for a year and had no problems.
  6. minnow

    minnow Member

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    I am burning some Lignetics right now that I bought in the winter of 2006 and they are fine.
  7. PutnamJct

    PutnamJct Member

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    Same here, some of the bags from the bottom of the pile (I was too lazy to rotate the stock last spring) have date codes of 10/06, They have been stored in an outdoor shed on a pallet since sometime in early 07. They are burning just as well as the newer stuff.
  8. Xena

    Xena Minister of Fire

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    Lol. Same story here only I have them in a garage not a shed. Burning great!
    ;-)
  9. drizler

    drizler Minister of Fire

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    I saw all the doom and gloom stories about corn a few years back and I had the same results. Bilco door wide open most of the summer and I think one small hole maby two in a 3 years of storing bags of corn on the cement floor in my basement. No pallet no nothing wide open to the world of mice and a couple small holes representing a few cups "literally" of wasted corn spilling out. Hell it burned better than ever as it was as dry as it should be the next Fall. I am glad to see the same for pellets exists though I would never set them on a concrete floor. I used to leave them sitting out in the weather under the eave with a plastic tarp in Dec right in the rain and sleet before going to corn. All short term but never had a problem really though it was short term a week or three. I guess its time to start laying in next years supply when Sams club has em around.
  10. PutnamJct

    PutnamJct Member

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    Got down to the bottom and hit a few 04/06 bags over the weekend, that makes them almost 2 years old. Burned just as good and now I only have fresh 2007 stock :)
  11. Souzafone

    Souzafone Feeling the Heat

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    I'm burning some now that I've had in my cellar for 18 months, with no problem.
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