Equivalent households

First biomass plant installed by ACCIONA

30-MW plant located in Navarra (Spain) and in service since 2002

The Sangüesa biomass plant was a pioneer in southern Europe, and since its entry into service in 2002 it has been an international reference for the potential of using biomass for electricity generation.


  • Location: Sangüesa. Navarra. Spain
  • Capacity: 30.2 MW
  • Technology: Thermal generation from burning cereal straw.
  • Start-up: 2002
  • Owner: ACCIONA


  • Average annual production: 200 GWh, equivalent to the electricity demand of around 60,000 homes.
  • Coverage of 5% of the electricity demand of the region of Navarra.
  • 160,000 metric tons of cereal straw consumed per year.
  • 192,000 metric tons of CO2 avoided per year. 
  • Creation of added value in the rural environment.
  • First biomass plant installed by ACCIONA.
  • A pioneer facility in southern Europe when it entered service.
  • Satisfactory operation after more than 10 years in service.

Other energy projects

All of our projects