Areva said it has won three bioenergy deals worth €260m ($373m) in Brazil and Thailand.
Koblitz, an Areva subsidiary, will build 11 turnkey biomass plants.
The wood-fired units will use dedicated eucalyptus plantations and will have a total output capacity of 380 MWe, Areva said.
Construction is scheduled to last four years.
The French giant will undertake retrofitting at the a power generation unit in the Seresta sugar mill in northeast Brazil to generate 50MW of electricity to be sold on the local grid.
Areva will also build two turnkey 10MW biomass plants fuelled by rice husks in northeast Thailand for Buasommai Electricity.
According to AREVA’s Renewables head Anil Srivastava, the contracts are in line with the company's aim of achieving 20% market share in bioenergy by 2012.