Oct 22, 2026 · 13 min · 7 segments
The Bottle Weight Accord (BWA) launched in late 2023, with signatories committing to reduce the average weight of wine bottles sold…
Peter StanburyGuestHannah HalmariHostAs you said, we're in the process of collating and analysing data from our signatories.
So what can we identify from the data that we have so far? Are we looking likely to reach our target average weight below 420 grams by the end of the year?
So given how things have moved forward since then, and what we know many of our participants are doing, I think we're comfortably below the 420 gram level.
Obviously, the question is, then where do we go next? The original accord was scheduled to end at the end of 2026, which is soon upon us.
Well, where do we go next, Peter? Are we thinking lower averages, a higher percentage of bottles sold? What are your thoughts on this so far?
Yes, we've had a long conversation with the existing signatories about where do we go next.
I think what became pretty clear is that whilst a lot of wines are already in bottles much lighter than 420 grams, and we know that most of the big manufacturers produce 300 gram bottles, And there are wines safely sold in those much lighter bottles.
But we felt that to go for a lighter weight was perhaps not the best way of achieving impact at scale.
Because obviously what we're trying to do here is not to be looking at the lightest possible weight, but to say, how can we get the broadest number of makers and sellers in lighter weight bottles? So I think we've taken the decision that we won't change the target weight.
Because again, we know from conversations with our existing signatories that the easy work's been done, but there's a need to focus now on some of the wine brands and really help them shift forward and lightweight their bottles.
So I think our target is not a lighter weight bottle, although of course we will champion and we will celebrate those who are going into lighter bottles.
But our aim is to go, at the moment, our target is to go from about 10% of the world's wine to 25%.
As you said, we're in the process of collating and analysing data from our signatories.
So what can we identify from the data that we have so far? Are we looking likely to reach our target average weight below 420 grams by the end of the year?
So given how things have moved forward since then, and what we know many of our participants are doing, I think we're comfortably below the 420 gram level.
Obviously, the question is, then where do we go next? The original accord was scheduled to end at the end of 2026, which is soon upon us.
Well, where do we go next, Peter? Are we thinking lower averages, a higher percentage of bottles sold? What are your thoughts on this so far?
Yes, we've had a long conversation with the existing signatories about where do we go next.
I think what became pretty clear is that whilst a lot of wines are already in bottles much lighter than 420 grams, and we know that most of the big manufacturers produce 300 gram bottles, And there are wines safely sold in those much lighter bottles.
But we felt that to go for a lighter weight was perhaps not the best way of achieving impact at scale.
Because obviously what we're trying to do here is not to be looking at the lightest possible weight, but to say, how can we get the broadest number of makers and sellers in lighter weight bottles? So I think we've taken the decision that we won't change the target weight.
Because again, we know from conversations with our existing signatories that the easy work's been done, but there's a need to focus now on some of the wine brands and really help them shift forward and lightweight their bottles.
So I think our target is not a lighter weight bottle, although of course we will champion and we will celebrate those who are going into lighter bottles.
But our aim is to go, at the moment, our target is to go from about 10% of the world's wine to 25%.
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