Do Wood Pellets go 'bad'?

[fish03]

My local feed store told me he had an excess from last year and would take $20 off a ton of AWF Premium Hardwoods. Is this a good deal? Do they go bad? I mean I know what happens when they get moisture in them and expand but will last years pellets still burn as efficiently? I feel like we don't have a great selection in my area, it's either Somersets, TSC brand or AWF.
I should note the feed store is not climate controlled but they are stored on a pallet off the concrete floor.
Thanks in advance!

 

[Bioburner]

I found some that were 10 plus years and burned without issue. I have in the basement right now some that are going to be three years.
Most would love to try Somersets

 

[johneh]

Never had a problem with old stock
You can tell by picking up a bag if the
have been in moisture . They swell and
fall apart . Making a hard clump in the bag.
if they are loose in the bag grab them it is a good deal

 

[Dr.Faustus]

as long as they have been kept dry, no problem using them. some of my pellets are 6 years old

 

[bill3rail]

Obviously, you know moisture kills them so watch for that, then grab them and grab more than you need!
Try to get a better deal so he can open up space for this year's supply.

 

[alternativeheat]

I agree with the other respondents, if the pellets didn't get wet they should be fine assuming the brand is decent to begin with..

 

[Don2222]

How do these look? Auger will not feed them!

 

[Bioburner]

Pellets are fine Don, its the rusted stuck auger that's a problem

 

[Don2222]

Actually after I chipped them out with a screwdriver the rusty auger turned by itself!
Those old permenantly lubricated High Temp Nylon Upper and lower auger bearings are the best feature of the old Pelpro Pellet Stoves. Too bad the new Pelpro stoves do not have them