floating solar and low-cost energy storage for developing ... · floating solar and low-cost energy...
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FLOATING SOLAR
AND LOW-COST
ENERGY STORAGE FOR
DEVELOPING COUNTRIES
ASEF2018 June 5th, 2018
Presented by: Hans-Henning Judek
J.E. Access Ltd, Yokohama, JP
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„WHITE KNIGHT?
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ASEF2015 ASIAN DEVELOPMENT BANK
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SOLAR – ENEMY OF FARMERS?
FOOD VS. ENERGY – PART 2
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March – Sri Lanka announces plans for a 100
MW plant on a dam to be followed by
multiple similar projects
May – China start-up of the (then) largest
floating solar plant with 40 MW
November – Masdar announces
development of a 200 MW plant in Indonesia
with a potential pipeline of installations on 60
dams
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December – China starts first segment of a
150 MW plant
December – The Indian government invites
through SECI Expressions of Interest for 10 GW
projects of floating solar
April 2018 – The Maharashtra State Electricity
Distribution Company invites EoI for 1000 MW
floating solar on the Ujjani Dam.
Etc.
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FIRST SOLUTIONS
Land-based solar …combined with a float
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CREATED THE FIRST GENERATION
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YES, YOU CAN PULL A SUPER TANKER WITH 25,000
RUBBER BOATS AND 5HP OUTBOARD MOTORS –
BUT IS IT EFFICIENT??
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NEXT GENERATION®
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NEXT GENERATION® –
PARAMETERS TO FULFILL
Costs reduction by utilizing off-the-shelve products
Potential for on-site production of floaters to save transportation costs
Facilitation and acceleration of module installationprocess
Large-scale modules that can be installed without cranes
Robotic cleaning, especially of bird droppings
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MARINE ENVIRONMENT (MAJURO, MARSHALL ISL.)
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MAIN PROBLEM: CORROSION
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FLEXIBLE SOLAR RECEIVERS ON CLOTH
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SURPRISING OPV
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NEXT GENERATION – SOLAR RECEIVERS
ADAPTED TO ON-WATER INSTALLATION(IMAGE)
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THE FUTURE REQUIRES STORAGE!
Worldwide over 5% of the solar and
wind energy is curtailed
Solar cannot offer 24/7 energy supply
Fluctuations can lead to grid instability
Solar could become `second grade`
power
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THE `DUCK CURVE`
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THE `DUCK CURVE`
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LOW-COST ENERGY STORAGE
We are offering non-battery storageas an option
30+ years life time withoutdeterioration
Costs substantially lower than Li-Ion-batteries
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WE ARE MISSING
THE REAL POWER TOOLS
8 MW x 4 hours storage time = 32 MWh
10,400 control computers preventing overheating
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Energy storage with induction heating in a proprietary alloy
at 1750°C – 30MWh in a 20ft container format.
HOW DOES IT WORK?
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h
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h
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…. BY TRUCK (FOR MINI GRIDS)
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Round-trip Efficiency of
Lithium-Ion Batteries?
98% - only 2% loss??
80%?
70%?
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Platte River Power Authority, CO November 29, 2017
16.8% 13.6% 16.4%
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Combined Cycle
(gas and steam turbine in tandem)
• Electrical efficiency 60%. 40% thermal energy
can be efficiently used for heating and
cooling purposes with absorption chillers, e.g.
HVAC or cold storage.
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Our secret `Weapon` - The Aurelia Turbine
Currently available with 400 kW with 41% efficiency
From the middle of 2019 with 1 MW and 45% efficiency
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Retrieval Efficiency
With AURELIA turbine 41% el. & 59% thermal
CCPP with AURELIA turbine and a super-critical
steam turbine up to 80% el. & 20% thermal
That is beating Li-Ion electric efficiency, while the
efficiently usable thermal energy is a bonus.
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THANK YOU!