smart energy s res up 100% – the combination of res t
TRANSCRIPT
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Henning Meschede, M.Sc.
SMART ENERGY SYSTEMS FOR USING RES UPTO 100% – THE COMBINATION OF RES ANDTOURISMEXAMPLES FROM JUIST AND LA GOMERA
in cooperation with:
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ISLANDS, TOURISM AND CLIMATE CHANGECASE OF JUIST
2UNI KASSEL | upp | Henning Meschede, M.Sc.
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Overview global islands
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Many islands show similar economic activities based on tourism!Many islands have similar energy supply structures!
UNI KASSEL | upp | Henning Meschede, M.Sc.
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Tourism and climate change
4UNI KASSEL | upp | Henning Meschede, M.Sc.
Economy
Environment
Quality
• 10 % of global GDP (WTTC 2014)
• important part of the regional value chain
• exceeding consumption of resources (energy and water)
• approx. 4% of the global CO2-emission rate (UNWTO-UNEP-WMO 2008)
Especially intensified for underdeveloped and isolated regions
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Example Juist
5UNI KASSEL | upp | Henning Meschede, M.Sc.
Juist• 16 km²• 1,700 inhabitants• submarine cable to coast• More than 6,000 clients
per day (970,000 overnight stays per year)
• 70 % regular guests• 20,000 tons CO2 per year• project ClimateIsland
started in 2010 (2030: carbon neutral)
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CO2 emissions in 2012
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economy39%
traffic*43%
municipal administration
5%
private households
13%
* including arrival (ferry and flights) and car use on mainland
UNI KASSEL | upp | Henning Meschede, M.Sc.
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• Cooperation between local government and utility company; promoted and disseminated by C.I.S.T
• Involving tourist industry as well as population and guests– 69 % of population knows efforts and 73 % are willing to
participate– One third of guests is willing to pay more to reach objectives
• 3 working fields: information, realisation, dissemination• Majority of GHG emissions belong to energy use
Project: ClimateIsland Juist
7UNI KASSEL | upp | Henning Meschede, M.Sc.
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• Carbon footprint for guesthouses (free of charge)• Highlighting environmental friendly providers
( competitive advantage)• Solar thermal system for indoor pool• Street lighting (replacing mercury-vapour lamp with
LED)
Project: ClimateIsland Juist – energyactions done (in extracts)
8UNI KASSEL | upp | Henning Meschede, M.Sc.
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• Assessment of RES and storage potential, analysis of public buildings regarding the efficiency potentialFocus is set on heat sector (due to submarine cable)High refurbishment requirements (e.g. insulation)Set up wind turbine on mainlandSolar thermal systems, PV and CHP for implementing
prosumers
Project: ClimateIsland Juist – energyreaching flexibility (to do)
9UNI KASSEL | upp | Henning Meschede, M.Sc.
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ENERGY AND ISLANDSCASE OF LA GOMERA
10UNI KASSEL | upp | Henning Meschede, M.Sc.
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Example La Gomera
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Tenerife
La Palma
El Hierro Gran Canaria
Fuerteventura
Lanzarote
La Gomera
La Gomera• 370 km²• 21,000 inhabitants• Central diesel power plant• 65 – 70 GWh electric per year• high LCOE• natural water ressources• rising costs
UNI KASSEL | upp | Henning Meschede, M.Sc.
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Distribution electricity demand La Gomera
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biggest hotel0%
further hospitality
industry0% third sektor
33%
private households
48%
industrial sector1%
primary sector3%
public services14%
rest1%
Based on figures of 2006
UNI KASSEL | upp | Henning Meschede, M.Sc.
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Focus on main consumer of tourism sector
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HOTEL
UNI KASSEL | upp | Henning Meschede, M.Sc.
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Bidirectional linking of grid and prosumer
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HOTEL
• Linking decentralized solution and island grid– Island‘s energy supply based on RES– Demand side management for adaptability of need, demand
and supply
• Local power generation– Linking power and heat / coldness
Hello world …|
UNI KASSEL | upp | Henning Meschede, M.Sc.
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Energy flows of hotel
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crude oildiesel
losseselectricityn-butane
Domestic water supplyElectricity (1.7 %)Diesel (4.0 %)
Laundry serviceElectricty (0.4 %)Diesel (4.6 %)
Cooling systemElectricity (6.8 %)
Kitchen & bakeryElectricity (3.0 %)n-butane (2.9 %)
ClubElectricity (1.1 %)
Offices, lounges, rooms and lightingElectricity (11.2 %)
in % of primary energy input
UNI KASSEL | upp | Henning Meschede, M.Sc.
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Load curve of Hotel (typical week in off season)
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• For further approach focus is on cold system (pumps and chilling machines)
UNI KASSEL | upp | Henning Meschede, M.Sc.
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• Reduction of electricity and GHG emissions of 5 %
1st step: reduction of end energy use (new pumps)
17UNI KASSEL | upp | Henning Meschede, M.Sc.
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2nd step: optimization of energy need (coldness)
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• Constraint: high flexible equipment• Reduction of electricity and GHG emission savings
of 11 %
UNI KASSEL | upp | Henning Meschede, M.Sc.
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3rd step: reduction of primary energy (PV)
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• PV self-consumption of 83 % (self sufficiency of 38 %)• No reduction of electricity but GHG emission savings
of 41 %
UNI KASSEL | upp | Henning Meschede, M.Sc.
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4th step: optimization of energy demand (DSM)
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• Constraints: free capacity and need for thermal energy storage
• PV self-consumption of 95 % (self sufficiency of 43 %)• GHG emission savings of 45 %UNI KASSEL | upp | Henning Meschede, M.Sc.
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LESSONS LEARNT JUIST AND LA GOMERA
21UNI KASSEL | upp | Henning Meschede, M.Sc.
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• Tourist industry and clients should be involved in projects regarding 100 % renewable islands
• Touristic facilities offer high potential for energy saving and for DSM to increase RES penetration
Knowledge of equipment and permanent energy monitoring is indispensable
Closer networking of tourist industry, researchers, political decision makers and utility companies is needed
Summary and conclusion
22UNI KASSEL | upp | Henning Meschede, M.Sc.
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THANK YOU FOR YOUR ATTENTION!
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