Metso DNA projects and retrofits for biomass power

Metso has signed an agreement to deliver state of the art automation for Séchilienne-Sidec, one of the market leaders in biomass and solar energy production in France and the French overseas territories. The new Metso DNA automation systems will be installed as retrofits in two of the Séchilienne-Sidec power plants in Reunion and additionally at a plant in Guadeloupe. The delivery for altogether six boiler units will take place between 2013 and 2015.

“We chose Metso’s automation systems because we believe that they provide the best technological and technical solution for a DCS retrofit to control industrial risks,” says Gilles Hassan, Project Manager at Séchilienne-Sidec. “Moreover, we have been satisfied with Metso’s solution that was commissioned in 2011 for our Caribbean energy plant which is located in Guadeloupe.”

Adding new technology to existing power plants is a demanding task that calls for expertise. Metso’s retrofit delivery scope consists of the Metso DNA automation systems with which the power plants will be controlled. A Metso Information Management System, a Metso DNA Control System Simulator, system installation and control system documentation updates are also included in the delivery. The simulator is a virtual learning environment that makes it possible for the operators to practice and learn the Metso DNA operator interface functions.

In Reunion, located in the Indian Ocean, Metso’s systems will be installed at the Compagnie Thermique Bois Rouge power plant with a capacity of 60 MW and the Compagnie Thermique du Gol plant with a capacity of 64 MW. Séchilienne-Sidec produces 57% of the island’s total electricity.

In Guadeloupe, Metso will retrofit the 64 MW Compagnie Thermique du Moulepower plant with new automation. Séchilienne-Sidec produces 31% of the electricity consumed on this island located in the Caribbean Sea. Both in Reunion and Guadeloupe, Séchilienne-Sidec’s power plants run on biomass, such as bagasse.

Séchilienne-Sidec has 20 years of experience in generating electricity from biomass resources. It is also a leading producer of energy from photovoltaic sources, always seeking to use locally available clean and renewable resources. The group’s installed thermal, wind power and solar capacity is 693 MW of which 624 MW is installed in the French overseas territories. The company is headquartered in Paris, France. In 2011, its net sales amounted to EUR 362 million.

Biofuel fired boiler for Swedish plant

In another power industry project, Metso will supply Jönköping Energi’s combined heat and power (CHP) plant in Torsvik, Sweden, with a new biofuel-fired boiler. Jönköping Energi is expanding its CHP plant and the new unit will serve as a mid-load unit to meet the district heating and electric power needs of Jönköping municipality.

The expansion and modernization of Jönköping Energi’s plant is a significant investment for the municipality of Jönköping as the existing boilers and related systems are in need of replacement and the new systems will enable replacing use of refined bio-fuels with use of primary biomass fuels. The new boiler utilizing bubbling fluidized bed technology (BFB) will mainly be fueled with wood chips, and Metso’s solution will offer considerable cost-efficiency benefits for the overall district heating and electricity supply of Jönköping municipality.

“This is an important contract for the continuation of the expansion project as well as its largest. We look forward to co-operating with Metso on this important project,” says Håkan Stigmarker, Managing Director of Jönköping Energi.

The expanded CHP plant will be commissioned during fall 2014. The capacity of the new boiler will be 100 MW. The Torsvik plant will annually use roughly 550,000 cubic meters of forest fuels. It will produce approximately 340 GWh of district heat per year, corresponding to the heating needs of 17,000 single-family homes. The production of electricity will amount to 130 GWh/year, corresponding to the power consumption of roughly 25,000 households.

Jönköping Energi AB has 240 employees and is owned by the municipality of Jönköping. Jönköping Energi AB supplies electricity, heat, cooling, biogas and broadband to 55,000 customers in the Jönköping area, and has an annual net sales of about EUR 120 million.

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