IED 2.0 directive — at what flock size a farm is „large”
IED is the EU’s rules on industrial emissions. The new version, called IED 2.0, changes how the threshold is counted: whether a poultry farm falls under these requirements now depends on its size in LSU, not on the number of bird places alone. We explain in plain words at what flock size the obligations begin, what you have to meet and when the changes take effect.
verifiedFrom the team that has organised work on poultry farms for years.
IED stands for the Industrial Emissions Directive — the EU rules on industrial emissions. It sets out which large installations, including the biggest poultry and pig farms, must hold an environmental permit, limit their emissions and report them. IED 2.0 is the new version of these rules, namely Directive (EU) 2024/1785, which amends the earlier Directive 2010/75/EU. For a farmer one question matters most: at what flock size does my farm become „large” in the sense of these rules.
At what flock size does a farm fall under IED?
Until now the poultry threshold was counted in places — the limit value was 40,000 places. IED 2.0 changes this approach: the threshold is now expressed in LSU, the livestock units (in Polish DJP). The directive is to cover pig and poultry farms from around 350 LSU. The detailed LSU conversion factors for the various poultry species and types are being finalised by the European Commission in implementing acts, so treat the exact figures with caution. The direction is certain: the new threshold will cover more farms than the old 40,000 places. Cattle remain outside this change for now.
What the directive imposes on a large farm
If a farm exceeds the threshold, several obligations arrive at once — from the permit to emission reporting. Below are the most important ones.
Integrated permit
A large farm must hold an integrated permit — a single document covering its use of the environment: emissions to air, waste and manure management and the conditions of production. Without it you may not operate above the threshold. It is the basic obligation from which the rest of the requirements follow.
Best available techniques (BAT / BREF)
The farm has to apply the best available techniques described in the BAT and BREF documents for poultry and pig farming. These are a set of proven solutions that limit emissions — from feeding to how birds are housed and manure is removed. The permit states which of them, and to what extent, the farm must implement.
Ammonia emission limits
Ammonia (NH₃) from droppings and litter is the main emission of a poultry farm. The directive comes with ammonia emission limits and a duty to keep within them. In practice this means choosing techniques that reduce ammonia release — from feeding to litter and manure management.
Emission monitoring and reporting
A large farm must measure or estimate its emissions and report them regularly. The data goes into registers, and part of the emission information is publicly available. For the farmer this means keeping records and submitting them by the required deadlines, in line with the permit conditions.
Environmental management system (EMS)
IED 2.0 strengthens the requirement to run an environmental management system, or EMS. It is an orderly way of keeping track of emissions, resource use and plans to reduce them. In practice it is a set of written rules and procedures that keep the farm’s environmental duties under control, rather than acting from one inspection to the next.
Emission reduction plans
Beyond keeping within the limits, the farm is to aim at further reducing its impact on the environment. This means emission reduction plans and the gradual roll-out of more effective techniques. It is a long-term approach — requirements tighten over time, so it pays to plan investments well ahead.
How to prepare the farm for IED 2.0
- 1
Calculate the farm size in LSU
Start by working out how many LSU your farm has at full stocking. This is the conversion of bird numbers into livestock units, using the factors for the given species and type of production. Only this result tells you whether you are nearing the threshold of around 350 LSU or have plenty of headroom. Use up-to-date conversion factors, as they are still being finalised.
- 2
Check whether you exceed the threshold
Compare the farm size with the directive’s threshold. If you exceed it, the farm falls under IED and an integrated permit plus the other obligations await you. If you are just below the threshold, remember that expanding the flock may push you over it — it is worth calculating this before you increase the stocking.
- 3
Gather documents and permits
Collect the environmental decisions, permits and farm documentation in one place. At the IED threshold the integrated permit is key, but earlier decisions and reports matter too. Orderly paperwork shortens the way through the procedure and makes talking to the authority and the inspection easier.
- 4
Choose techniques that limit emissions
Go through the BAT and BREF documents for poultry and pick techniques that suit your farm. Most often this means low-protein feeding, good ventilation and keeping litter dry, plus proper manure management. Less ammonia released means it is easier to keep within the limits and gives better conditions in the house.
- 5
Set up monitoring and reporting
Prepare a way of measuring or estimating emissions and keeping records. Establish what data, and by what deadlines, you have to submit, and build it into the farm’s steady routine. Regular, reliable records are the basis both for reporting and for a calm inspection.
- 6
Watch the entry-into-force deadlines
IED 2.0 does not take effect in a single day. Member States transpose it into national law by 1 July 2026, and the detailed rules — the BAT conclusions and permit conditions — apply gradually, over the following years. Follow national legislation and deadlines so you can adapt the farm in time, without a rush.
Frequently asked questions about the IED 2.0 directive
At what flock size does a farm fall under IED 2.0?add
The new threshold is no longer given in places, but in LSU — livestock units. The directive is to cover pig and poultry farms from around 350 LSU. The exact LSU conversion factors for the various poultry species are being finalised by the European Commission in implementing acts, so treat specific bird numbers with caution. What is certain is that the new threshold will cover more farms than the old 40,000 places.
When do the changes take effect?add
Directive (EU) 2024/1785 entered into force on 4 August 2024. Member States are to transpose it into national law by 1 July 2026. The detailed operational rules — the BAT conclusions and permit conditions — come in gradually over the following years, roughly into the 2030–2032 period. That is why it is worth following national legislation, as it will set the exact deadlines for your farm.
What must a large poultry farm meet?add
First of all, hold an integrated permit and apply the best available techniques described in the BAT and BREF documents. On top of that come ammonia emission limits, emission monitoring and reporting, an environmental management system and plans for further reduction. In practice this means investing in techniques that lower emissions and keeping orderly records.
Does IED 2.0 also cover cattle?add
At this stage, no. The change to the threshold expressed in LSU concerns pig and poultry farms, and cattle remain outside this part of the directive. It is still worth following further EU and national work, as the scope of industrial emissions rules tends to widen over time. If you run poultry, this change concerns you directly.
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