A major plank of European climate change policy is an EU-wide emissions trading scheme for
GHGs , known as the
EU ETS: European Union Emissions Trading Scheme or the European CO2 market.
It sets the CO2 emissions caps of more than 11,000 European industrial installations which belong to those sectors which are the biggest emitters: energy production, industrial processes (cement, lime, glass, and ceramics), metallurgy (steel, iron) and paper production.
Reaching this cap results in the annual allocation of allowances divided between industrial establishments. 1 allowance , called EUA (European Union Allowance ) = 1 tonne of CO2.The allocation method is detailed in each National Quota Allocation Plan (NAP) which must be validated by the European Commission.
Allocation of European allowances by sector in 2009
(millions of allowances and % of total)

_Source: CDC Climat Research, based on data from CITL.
The compliance of each establishment is verified each year: each establishment returns the number of allowances equivalent to its CO2 emissions for the past year to the European Commission. During each compliance year of the EU ETS, each covered installation has the ability to buy or sell allowances in the EU ETS carbon market, taking in account their internal emission reduction costs versus allowances purchase price.
The permit and emission accounts are kept in a system of registries.
The EU ETS mechanism has (so far) been organised into three periods:
- 2005-2007, the Trial Phase. During Phase I, approximately 2.3 billion tonnes of CO2 were allocated each year to the 27 Member states participating in the Scheme. Realised annual CO2 emissions accounted for 2.1 billion tonnes of CO2, releasing a surplus of 160 millions allowances by the end of Phase I. This surplus couldn’t have been banked to be used in phase 2, which meant that the price per allowance fell close to zero in 2007.
- 2008-2012, the first Kyoto commitment period. 2.1 billion of allowances were allocated each year. During Phases I and II most EU ETS allowances (called EUAs) were allocated to covered installations for free, with the small remainder being auctioned to installations. The scheme allows covered installations to use credits from the project mechanisms under Kyoto Protocol, for an average quantity of 13.5% of their allocation. Despite the impact of the global financial crisis which led 2009 emissions to be 11% lower than the total allocation of allowances for that year, the opportunity to bank allowances from Phase II to Phase III has helped EUA prices to remain well above zero, unlike Phase I.
- 2013-2020: the European Climate & Energy Package, passed in March 2009, will see the emission reduction obligation strengthened considerably. Without an international agreement, the Europe-wide greenhouse gas emission reduction objective is set at –20% below 1990 levels by 2020. In the case of an agreement in the ongoing international negotiations, this objective may be increased to a –30% reduction instead. Moreover, the EU ETS will be moving to a much higher share of auctioning of allowances. Using credits from the Kyoto project-based mechanisms will also be limited.
Price curve of carbon assets usable under the European Emission Trading Scheme (EU ETS)

_Source: CDC Climat Research, based on data from BlueNext and ECX.