big heat storage for biomass power plant with district ... · programm 1. agro energie schwyz ag 2....
TRANSCRIPT
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Big heat storage for biomass power plant with district heating
SCCER BIOSWEET – Lucern, 03.09.2019
Dr. Urs Rhyner, CFO
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Programm
1. AGRO Energie Schwyz AG
2. Biomass power plant
3. District heating
4. Heat accumulator
5. Agro Energie Rigi
6. Agro Energie Ausserschwyz
7. Non-technical barriers
2
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Agro Energie Schwyz AG
3
provides heat and power to the region of Schwyz by using
renewable and local resources in doing so fostering the region
by increasing its independece, adding value, facilitating jobs
and promoting sustainability.
1. Agro Energie Schwyz AG
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Company
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▪ 2006 founding of AGRO Energie Schwyz AG
▪ 2009 commissioning of the plant
▪ Founding shareholders
semi-public: OAK, EBS, Genossame Schwyz
private: Baptist Reichmuth, Georges Schelbert
▪ Shareholders since 2016: pension fund (Profond
Vorsorgeeinrichtung), Genossame Schwyz,
Baptist Reichmuth, Georges Schelbert
1. Agro Energie Schwyz AG
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Programm
1. AGRO Energie Schwyz AG
2. Biomass power plant
3. District heating
4. Heat accumulator
5. Agro Energie Rigi
6. Agro Energie Ausserschwyz
7. Non-technical barriers
5
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Biomass Power Plant
Holzkraftwerk:
Kessel 1: 3.2 MWth
Kessel 2: 6.4 MWth
Kessel 3: 9.9 MWth
ORC: 1.5 MWel
2. Biomass Power Plant
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20 MWth wood-fired boilers
boiler 1: 3.2 MWth
boiler 2: 6.4 MWth
boiler 3: 9.9 MWth
ORC: 1.5 MWel
2. Biomass Power Plant
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Biogas fermentation plant
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anaerobic fermentation, 26‘500 t/a, 526 kWel CHP
2. Biomass Power Plant
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Flue gas treatment
2. Biomass Power Plant
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VAS Energy Systems GmbH, www.vas.co.at
Organic Rankine Cycle (ORC)
2. Biomass Power Plant
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Heat demand 2018
2. Biomass Power Plant
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Resources
2. Biomass Power Plant
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Programm
1. AGRO Energie Schwyz AG
2. Biomass power plant
3. District heating
4. Heat accumulator
5. Agro Energie Rigi
6. Agro Energie Ausserschwyz
7. Non-technical barriers
13
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district heating pipelines
built (90 km)
planed (30 km)
32 MW district heating
3. District heating
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Success story
15 3. District heating
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Key clients
Spital Schwyz850 kW
Kollegium Schwyz700 kW
Swiss Holiday Park, Morschach1700 kW
Kloster Ingenbohl1100 kW
3. District heating
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Fernwärmeleitung
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supply 95°C
return 50°C
leak monitoring
pipe isolation cat III
3. District heating
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Future heat damand?
www.energie-umwelt.ch/haus/renovation-und-heizung/gebaeudeplanung/waermebedarf-und-geak
www.greenpeace.org/switzerland/de/News_Stories/Thoreau/Wohnen/
Increasing living area m2 per person! Retrofitting rate of 0.8 % per year in Switzerland!
Increasing room temperature, living room > 23°C
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m2
3. District heating
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Renewable energy production 2018
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▪ Heat production: 87 GWh (8700 average households)
▪ Power production: 12.5 GWh (2800 average households)
3. District heating
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Programm
1. AGRO Energie Schwyz AG
2. Biomass power plant
3. District heating
4. Heat accumulator
5. Agro Energie Rigi
6. Agro Energie Ausserschwyz
7. Non-technical barriers
20
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Heat accumulator - visualisation
21 4. Heat accumulator
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Heat accumulator - visualisation
22 4. Heat accumulator
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Situation heat accumulator
23 4. Heat accumulator
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Heat accumulator – landscape integration
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▪ Height: 50 m
▪ Diameter: 30 m
▪ Isolation: 0.5 m
▪ Water volume: 28’000 m3
▪ Capacity: 1300 MWh (90/50 °C)
▪ Pressure: atmospheric
4. Heat accumulator
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Heat accumulator as key technology
▪ Security of supply
▪ Decoupling of heat and power
production from heat consumption
▪ Liberalisation of power market
▪ Efficiency increase (emissions,
pressure maintanance)
▪ Competitive pricing position
25 4. Heat accumulator
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Sensible heat accumulator technology
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height: 50 m, diameter: 30 m, volume: 28’000 m3, isolation: 0.5 m, storage medium: water, capacity: 1300 MWh (95/55 °C)
4. Heat accumulator
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Pressure maintenance
27 4. Heat accumulator
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Heat demand of district heating
28 4. Heat accumulator
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Operation with/without heat accumulator
29 4. Heat accumulator
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Project update – permission process
✓2012 first project attempt → rejected 2013
✓2014/2015 round table discussions with stakeholders
✓2016 start of permission process → objection
✓2017 objection solved
✓2017 13th Dec: community assembly
✓2018 4th March: voting for new building law
✓2018 summer: land development plan → objection
✓2018 autumn: objection solved → permission in spring 2019
✓2019 spring: building application
✓2019 summer: building permission
✓2019 autumn: start construction
o 2020 autumn: commissioning
30 4. Heat accumulator
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Programm
1. AGRO Energie Schwyz AG
2. Biomass power plant
3. District heating
4. Heat accumulator
5. Agro Energie Rigi
6. Agro Energie Ausserschwyz
7. Non-technical barriers
31
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AGRO Energie Rigi – 20 MWth
5. Agro Energie Rigi
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Construction zone: www.agroenergie-rigi.ch
5. Agro Energie Rigi
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Wood power plant next to a saw mill
Synergies in regards of:
▪ Supply / demand of wood and bark
▪ Transportation of wood chips / urban waste wood
▪ Heat production / consumption
▪ Saw dust disposal / wood pellets production
5. Agro Energie Rigi
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Input Power plant Output
Saw dust
▪ 100 % Restholz
Energy
▪ 32 GWh power
= 8000 households
▪ 64 GWh heat
= 6000 households
Wood pellets
▪ 40’000 m3/a
Wood fired power station
▪ 20 MWth boiler
▪ 4.5 MW steam turbine
▪ flue gas cleaning
▪ Heat accumulator
Wood recources
▪ 51 % saw mill residues
▪ 41 % urban waste wood
▪ 8 % wood chips
Wood pellet plant
▪ Conveyor drier
35 5. Agro Energie Rigi
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Küssnacht
Udligenswil
Adligenswil
Greppen
Immensee
Merlischachen
Fänn
5. Agro Energie Rigi
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Programm
1. AGRO Energie Schwyz AG
2. Biomass power plant
3. District heating
4. Heat accumulator
5. Agro Energie Rigi
6. Agro Energie Ausserschwyz
7. Non-technical barriers
37
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AGRO Energie Ausserschwyz – 20 MWth
Input: 20 MWth (wood chips, urban waste wood)
Output: 12.0 MWth, 4.0 MWel
Power: 32 GWh (7000 households)
Heat: 96 GWh (9600 households)
Savings: 12 Mio. liter oil, 31’800 t CO2
6. Agro Energie Ausserschwyz
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District heating Ausserschwyz
Galgenen
Lachen
Altendorf
Siebnen
Wangen
NuolenTuggen
Reichenburg
SchübelbachButtikon
Pfäffikon
Freienbach
Wilen
Bäch
Wollerau
Feusisberg
Schindellegi
▪ Inhabitants: 80’000
▪ Households: 25’000
6. Agro Energie Ausserschwyz
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Programm
1. AGRO Energie Schwyz AG
2. Biomass power plant
3. District heating
4. Heat accumulator
5. Agro Energie Rigi
6. Agro Energie Ausserschwyz
7. Non-technical barriers
40
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Non-technical barriers
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▪ Financing
▪ Building permit
▪ Competition
▪ Regulation / subsidies
▪ Individual energy concepts
7. Non-technical barriers
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Thank you for your attention!