District heating system on wood chips in municipality of Maribor – methodology for estimation of biomass potentials and investment tool

District heating system on wood chips in municipality of Maribor – methodology for estimation of biomass potentials and investment tool

Main topic: Good practices, case studies, pilots
Document / search engine: District heating system on wood chips in municipality of Maribor – methodology for estimation of biomass potentials and investment tool
Framework project: Delivery of sustainable supply of non-food biomass to support a “resource-efficient” Bioeconomy in Europe
Short name of the project:
Website link: https://www.s2biom.eu/images/Publications/S2biom---T932---SCS-Slovenia---report.pdf
CORDIS link if relevant:
Short description:

In the case of considered location in municipality Maribor it is possible to confirm a sufficient quantity of lower quality wood for heat production which is evident from the results of analysed scenarios.
Nevertheless, the following can be emphasized:

  1. The model covers only quantities of recorded felling (for which Slovenian Forestry Service issue permit for felling) and according to our quantity assessment there is more on the market. We need to take the fact that according to the owners of chippers around 40 % of production is exported into account.
  2.  Provided maximum possible felling of 10 years is not reached in a bigger part of the region which means that there are more theoretically available quantities.
  3. The investor foresees a boiler which will allow burning wet chips and will provide a certain proportion from green cut and forest residue. The model is taking only round
    lower quality wood into account.
  4. The investor may optimize transport costs by increasing purchase prices of wood for surrounding forest owners, who could deliver feedstock by their own means of transport taking appropriate equipment into account (egg. 8-tonnes forestry semitrailer for tractors).
  5. Appropriate regulation of storage space in terms of process optimization cannot be neglected. It is estimated that each additional movement of feedstock at the storage brings extra costs up to 5 €/m3
    .

Countries/regions described/represented: Slovenia
Year: 2016