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Tapani Bastman, Managing Director, TSE
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As a consequence of the NA4 CHP project, we decided to modernise the youngest of the blocks at Naantali coal fired power plant to fulfil the all new IE-directive (emissions to air), and to continue to operate this part of the plant each winter up to the year 2025. This project is called NA3 retrofit and one part of this investment is adding a new SCR-system to the boiler”
NA4 CHP Project In spring 2014, shareholders made the decision to construct a new multi-fuel CHP-power plant to replace two of the three existing coal-fired power blocks of the Naantali power plant. This environmentally-friendly combined heat and power facility will utilise various forms of biofuels.
Relationship with Turku Energia Turku Energia is the second biggest owner and biggest client of TSE in terms of supply of energy. “We enjoy a prosperous partnership with Turku Energia. By cooperating on a daily basis - which is a must when optimising the production on hourly basis to DH-consumption - we demonstrate a high level of commitment to our partners.” Tapani Bastman, MD, TSE “When the plant is fully operational, the percentage generated by biofuels will be between 30-40 percent, however we hope to increase the share of biofuels to 60-70 percent. The remaining share will be generated by coal or peat,” says Bastman. The CFB-boiler (Circulating Fluidised Bed) itself has been designed to convert 100 percent biodegradable materials. Fuel oil (or later LNG as an option) will be the starting fuel for the boiler. “The advantages of the CFB technology certainly outweigh its limitations. The process is very flexible for multi-fuel purposes and
with the right investment in R&D, the technology is predicted to bring further benefits through economical usage of even more challenging forms of biofuels,” Bastman surmises.
• Total capacity: 200MW district head, 50 MW process steam and 150 MW co-generation power • Estimated cost: €260 million • Outsourced project managers: EPCM-Consultant Pöyry Finland Oy • Manufacturing partners: Valmet Power Oy, Siemens Oy and Raumaster Oy • Operation date: Autumn 2017
Optimisation
Key to TSE’s success in the last year has been optimising its current production capacities rather than competing and increasing capacity. “By this I mean we have to ensure that products are fully optimised and are able to cope with a variable heat load, while also taking into consideration the price of power and the competitiveness of our product on the open market.
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