Wärtsilä will expand its power plant range to include biomass fuelled plants. company Sermet Oy, which specializes in small and medium-sized boiler plants running on biofuels, oil and gas. Sermet's net sales in 2001 is expected to total approximately EUR 20 million and the result to be on a good level. By acquiring Sermet, Wärtsilä strengthens its position as a supplier of decentralized power plant solutions. Demand for power plants running on fuels from renewable energy sources is growing strongly. approximately 1,000 MW. There is a large market potential in the developing countries. equipment suppliers, but not yet companies that supply small power plants globally. is a front-line biomass combustion know-how base in the market.