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Development of sustainable heat markets for biogas plants in Europe
Project No: IEE/11/025
1st
Austrian national workshop about heat use
from biogas plants
WP6 – Task 6.3
Deliverable D6.7
4 December 2013
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November 2013 2 e7
Acknowledgment: e7 is grateful for joining Biogas13 as a partner. We express our gratitude to ARGE
kompost & biogas, especially Dr. Bernhard Stürmer.
Authors: Stefan Amann, e7 Energie Markt Analyse GmbH, Austria
Christof Amann, e7 Energie Markt Analyse GmbH, Austria
Contact: Stefan Amann
e7 Energie Markt Analyse GmbH,
Theresianumgasse 7/1/8
1040 Vienna
T: +43 (1) 90 78 026 – 64
F: +43 (1) 90 78 026 - 10
W: www.e-sieben.at
Report No. WP 6: D 6.7; public document.
The BiogasHeat project (Development of
sustainable heat markets for biogas plants in
Europe) is supported by the European Commission
in the Intelligent Energy for Europe Programme.
The sole responsibility for the content of this document lies with the authors. It does not necessarily
reflect the opinion of the European Union. Neither the EACI nor the European Commission is
responsible for any use that may be made of the information contained therein. The BiogasHeat
project duration is from April 2012 to April 2015 (Contract Number: IEE/11/025).
BiogasHeat website: www.biogasheat.org
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Table of Content
1 The Austrian Biogas Congress ____________________________________ 4
2 Session VII: Heat use and digestate ________________________________ 5
3 Annex ___________________________________________________ 10 3.1. Newsletter _______________________________________________________ 10
3.2. Press release _____________________________________________________ 11
3.3. Biogas13 programme _______________________________________________ 12
3.4. Presentations from Christof Amann, Stefan Amann, Christian Engel and Georg
Dersch _______________________________________________________________ 17
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1 The Austrian Biogas Congress
Every year the Austrian Compost & Biogas Association organizes the Austrian Biogas
Congress, supported by klima:aktiv, the climate protection initiative of the Ministry of Life.
About 500 participants have joined the two-day event, thereof 350 at the first day.
Venue: WIFI St. Pölten, Mariazeller Straße 97, A-3100 St. Pölten.
Date: 4-5 December 2013.
Biogas13 is a unique conference and the biggest biogas business meeting in Austria offering
the possibility to meet policy makers, researchers, manufacturers and further stakeholders.
The detailed programme can be found in the Annex section. On the first day 7 sessions were
available.
Session I: Feedstock
Session II: Small Biogas Plants
Session III: Biomethane Regions
Session IV: FABiogas
Session V: Biomethane
Session VI: Biogenic Wastes
Session VII: Heat use
On the second day selected topics were presented about following topics:
Economic key figures in biogas
Low temperature heat use for electricity production
Accident prevention
Efficiency checks of biogas plants
The list of participants is not public available. However, 350 people have joined the congress
at the very first day. Participants could freely decide which session they would like to join.
Speakers and participants came from following institutions/fields:
Austrian Agency for Health and Food Safety
Austrian Energy Agency
Austrian Ministry of Agriculture
Banking
Biogas Associations
Chamber of Agriculture
Chamber of Commerce
Consulting
Energie-Control Austria
Member of Parliament
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Regional energy institutes
Universities from Austria, Germany, Denmark, UK
Utilities
Waste management
2 Session VII: Heat use and digestate
e7 as conference partner
e7 participated the Austrian Biogas Congress as a conference partner and carried out
common marketing activities, e.g. distribution of two newsletters, twitter messages and
announcement of the congress on the e7 and project webpage. The newsletter can be found
in the Annex. The Association especially published a press release concerning energy
generation in CHP plants (see Annex).
Duration
The session about heat use was part of the Biogas13 congress, which was a great idea in
order to use synergies. The session lasted for 3 hours officially and was hold in German
language. However, e7 was involved the whole afternoon from 1 pm until 5 pm, as e7 has
chaired the heat use session as well. Adequate preparation and a wrap-up was required.
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Participants
Approximately 80 people by average joined the session. Predominantly participants were
biogas plant operators and employees at municipal and regional agencies. This was the
aimed and desired target group in order to talk about heat use opportunities of existing
biogas plants.
Aim of the session
Aim of the session was the active involvement of biogas plant operators in the discussion
about heat use possibilities. In Austria, e7 has focused on potentials of existing biogas
plants. About 290 are running at the moment and have a contract with OeMAG. Most of them
use heat only partly and heat up the fermenter. Common heat use options are district heating
and drying of agricultural commodities, like grains or hay (see pictures below).
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Dissemination material
We have distributed about 50 leaflets about the BigoasHeat project and 50 handbooks in
German language. Actually we have not expected 80 participants as our session had to
compete with a session about biomethane and a session about biogenic wastes. However,
we have referred to the webpage where the handbook can be downloaded. Also we left our
contact details in order to send the handbook to interested parties upon request.
Presentations
4 presentations were given during 1.5 hours. Afterwards a very active discussion took place.
Presentation 1: “Wärmevermarktungsstrategien: Verschwenden? Verschenken? Verkaufen?
Herausforderungen am Wärmemarkt.“ by Christof Amann, e7 Energie Markt Analyse GmbH.
First, Christof Amann introduced the BiogasHeat project very briefly and presented a general
overview on EU framework policies and challenges in the heat market. Afterwards he was
talking about seasonal fluctuation of heat demand and the role of agricultural biogas plants.
Concluding some strategies and recommendations were given. The audience was rather
critical with respect to his comment about “availability of the CHP-bonus”. This led to a very
active discussion after the whole session, which was highly appreciated by us. Please see
the discussion paragraph very below. The presentation can be found in the Annex.
Presentation 2: “Europäische Beispiele zur Nutzung
der Abwärme von Biogasanlagen in einem
integrierten Energiekonzept.“ by Stefan Amann, e7
Energie Markt Analyse GmbH.
Stefan Amann concentrated more on concrete issues
and was talking about the BiogasHeat project and its
first achievements (handbook, expert interviews,
feasibility checks). Also first results from expert
interviews were shown. Afterwards two good practice examples (DK und CZ) were debated.
The response from the audience was very positive. The presentation about good practice
examples was appreciated. Stefan Amann highlighted the future challenge of finding an
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optimal location for new plants with respect to feedstock (availability, mix, minimum transport
costs), size of the plant (with respect to feedstock and heat demand) and heat sinks (which
heat use business model might be applied). The presentation can be found in the Annex.
Presentation 3: “Effizienzsteigerung bei der
Nahwärme.” by Christian Engel, Thermaflex-Flexalen
Rohr- und Isoliersysteme GmbH.
Christian Engel was talking about district heating
grids and opportunities for biogas plant operators. He
mainly focused on optimal grid planning and
investment costs. Also the location of heat producers
was taken in consideration. After his presentation a
discussion about heat buffer opportunities started. District heating is a very common heat
use model in Austria and favoured.
Presentation 4: “Wirkung von Biogasgülle und
Gärrückständen auf die Bodenqualität.” by Georg
Dersch, Austrian Agency for Health and Food Safety.
Georg Derschs presentation was about impacts of
digestate use as fertilizer on soils. They have carried
out broad research if ecosystems change if manured
with digestate form biogas in comparison with
conventional fertilizers. The topic of his presentation
did not 100% fit to the session. However, the moderator has linked the discussion towards
the opportunity of digestate drying which was very well discussed. Plant operators agreed
that digestate drying is no interesting heat use model in Austria as agriculture is very
extensive compared with the Danish case for instance. There is no need to spread nutrient
over long distances. All manure can be put out on own fields after production of biogas.
Discussion
From the discussion we received very fruitful
feedback about good practice examples. However,
the whole session was dominated by the discussion
about the CHP-bonus. In Austria there is a CHP
bonus available. But only 30 plant operators
approximately receive the bonus as the criteria are
very difficult to reach. A rather complicated
calculation formula is required in order to calculate
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the efficiency criterion. Plant operators were a bit upset about this fact as information level
concerning CHP-bonus is rather low and expectations are very high. A person from OeMAG
(a company which deals with green electricity clearing and CHP-bonus payout) was present
and discussed more about one hour with about 20 interested biogas plant operators (see
picture).
Benefit
An overall added-value from the first national workshop about heat use from biogas plants
was given. Participants could learn about good practise examples and could wipe out various
questions during a comprehensive discussion round, which was also led by e7.
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3 Annex
3.1. Newsletter
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3.2. Press release
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3.3. Biogas13 programme
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3.4. Presentations from Christof Amann, Stefan Amann, Christian Engel and Georg Dersch
