green partnerships local partnerships for greener cities and regions biomass expert working group on...
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![Page 1: Green Partnerships Local Partnerships for Greener Cities and Regions BIOMASS Expert working group on biomass Prepared by Veronika Valentar](https://reader030.vdocuments.site/reader030/viewer/2022032723/56649cf95503460f949cae13/html5/thumbnails/1.jpg)
Green Partnerships Local Partnerships for Greener Cities and
Regions
BIOMASS
Expert working group on biomass Prepared by Veronika Valentar
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EWG biomass2
Energy use in Slovenia
The importance of wood biomass in Slovenia:- Annual use of renewable energy sources in Slovenia- Annual use of energy in households(Source: stat.si)
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Annual use of renewable energy- general Gheotermie (TJ)
Solar thermie (TJ)Industial waste- not renewable (TJ)Komunal waste- renewable (TJ)Komunal waste- not renewable (TJ)Wood and wood biomass (TJ)Peat (TJ)Depot gas (TJ)
Heating oilNatural gasWood fuelsLiquid oil gasElectric powerCoalDistrict heatingSolar energyGheotermal energy
End use of energy in households 2012
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-Keeps stores of fossil sources- CO2 neutral-Support stability of rural areas-Improves incomes from agriculture and forestry-Based on local supply-Providing job opportunities inlocal environment
Why biomass?
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Biomass supply- forests in Slovenia
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- Non forest biomass- The worst quality wood from forests- Felling residues- Wooden residues (recycling)- Etc.
-Quantity:
Local biomass sources
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- Firewood- Wood chips- Wood (and non wood) pellets- Wood briquets
Types of wood biomass fuels and production technologies
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Organization of biomass supply chain
This is a symbolic picture- Add the chart of the most usual supply process
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Biomass logistics
- Wood drying:
- Biomass trade center, storing of biomass
- Biomass logistics
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- Individual heating system
Heating networks
Micro system heating network
District heating network
Mikro mreža
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•Heating system= heating boiler (wood chips, supplied by automatic system + boiler room)•Investor is authorized for operation, service, maintenance and possible new investments•The contract lasts at least 15 years
Biomass heating contracting for public building
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• Based on usual heating contracts for district heating systems
• Use of heating energy is measured regarding heating value of wood (measured by heating supplier)
• Use of heat is accounting based on actual energy consumption
• The system is insured together with the insurance for building
Heating contract
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• Decision making process with municipality• Permissions of land owners/ public (impact
on environment)• Subscription fee?• Investment reimbursement (subvention)?• Building permissions
Administrative barriers
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Technical questions
•Sanitary warm water in summer season•Basic requests regarding:
• Heating room• Boiler• Installations• Biomass supply (driveways)
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•Investment costs: 600-700 €/kW installed power
•Heating boiler, supplying system: 200-300 €/kW installed power •Hot water system: 80-100 €/m’ route
• Variable costs:•Biomass (17- 21 €/sm3)•Power•Maintenance
Investment plan
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•Incomes:•Subscription fee 160-250 €/kW installed power•Energy price (70- 90€/MWh)- 2500 working hours/a
Investment plan
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Simple feasibility study
Determination of installed
power
Definition of investment
Identification of Variable
costs
Partners:Investors, suppliers,
SWOT analysis,
Identification of incomes: energy price
Contracting consortium
Informing, public
awareness rising
Project proposal
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• Identification and promotion of project
• Working with different target groups: public,
• Excursions, best practices exchange
Public awareness rising
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• Too late: other plan, heating system on gas, heating room is constructed•Not enough demand on heating•Project engineers are not flexible enough
ADVISE: NEVER GIVE UP!!!
Typical problems:
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Questions?THANK YOU FOR YOUR ATTENTION!