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Lelystad biomass heat plant fires up

In the Netherlands, a new 15 MWth wood-fired heat plant has been fired up to supply sustainable heat into the district heat network of the city of Lelystad. Supplied as a turnkey delivery by HoSt and commissioned by heat supplier Primco, the biomass heat plant will use up to 30 000 tonnes per annum of woodchips sourced from regional trees, parks, and forest maintenance activities.

The project was completed on schedule. We have nothing but praise for the various collaborations that made all success possible, said project manager Alwin Boelsma.

The heating plant can heat up to 5 000 houses and saves around 7.5 million Nm3 of natural gas annually. Although announced in February 2017, the official go-ahead for construction of the plant was given in December.

A key feature of the biomass heat plant is that during the high heat demand in the morning, better known as the ‘morning ramp’, the biomass heat plant is able to momentary supply additional heat. Instead of 15 MWth, the installation then supplies 20 MWth to the net. The extra heat is realised by two heat buffers that are charged during the night.

An aerial view of the new 15 MWth biomass-fired heat plant in Lelystad, the Netherlands (photo courtesy HoSt).

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