As a part of the EU from 2004, Baltic states must comply with the EU's regulations in energy, environmental and security spheres. One of the most important documents that the EU applied to improve the energy security stance of the Baltic states are European Union climate and energy package, including the Climate and Energy Strategy 2020, that aims to reduce the greenhouse emissions to 20%, increase the energy production from renewables for 20% in overall share and 20% energy efficiency development.