Lena Environment and Energy is the sub-holding of Lena Group for the Environment and Energy sector, operating nationally (mainland Portugal). The companies held by Lena Environment and Energy develop their activity according to 4 major areas of intervention, complementary to each other: Renewable Energy, Fuel, Construction of Infrastructures and Environmental Management. A wide range of projects is being developed, such as electricity generation from renewable energy sources (as wind farms), construction of pipelines and gas distribution networks, sale and distribution of petroleum products and management and operation of Industrial Waste  Landfills or the management of Wastewater Treatment Plants.