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CHP “BATTERY” -warm up with cold wind-
(if we need heat, should we always burn something ?)
Dragostin Catalin – Director, SC ENERGY SERV SRL
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Patent application, Legal Assistance: Law firm Ciurtin & Associates
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CONTENT
1. Wind Power operational problems vs Heat Market
2. What is “CHP Battery” ?
3. Technology and method description
4. Economic and financial impact estimation
5. Conclusions
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-2000
-1500
-1000
-500
0
500
1000
1500
2000
2500
3000
MW Hours
SEN December- 2017 SOLD (Consum-Productie)
Productie EolianaSource: TRANSELECTRICA
AVERAGE: 722 MW
As reference, Value of Green Certificates paid by Romanian electricity consumers : ~32 mill.EUR
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-2000
-1500
-1000
-500
0
500
1000
1500
2000
2500
3000
MW
Hours
SEN January -2018 Sold = CONSUM - PRODUCTIE
Productie EolianaSource: TRANSELECTRICA
AVERAGE: 540 MW
As reference, Value of Green Certificates paid by Romanian electricity consumers : ~20 mill.EUR
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2. What is CHP “Battery” ? (Energy- Serv patent request approved by EU Patent Office)
• A method for Storage wind energy in the form of high temperature Thermal Energy (TES) to:
– cover heat demands in the most efficient known way: CHP – control totally the wind energy throughput
– allow the wind energy to enter the heat market as a “new fuel”
• A method to decarbonize the heat market
• Allows planning of Wind Farms not only from the “electricity only” perspective
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3. Technology and Method description
- Concept
- Thermal Energy Storage
- ORC-CHP Turbogenerator
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STRATEGIC PARTNERS FOR “CHP BATTERY”
• Concept & EPC: ENERGY-SERV (Romania) • www.energy-serv.ro, (patent pending)
• Thermal Energy Storage: ENERGYNEST (Norway) • www.energy-nest.com
• ORC Turbogenerator: TURBODEN (Italy) • www.turboden.eu
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CONCEPT OF CHP-BATTERY
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UNTIL NOW, STANDARD CONCEPT OF “ELECTRIC BATTERY”
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100 MW
100 MW 60 MW
40 MW 40 MW
(electricity only storage and generation) Ex. TESLA – Elon Musk
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CONCEPT OF “CHP BATTERY” (Note: figures are for example only purposes)
Operating Strategy Winter/Summer (Patent Application from Energy-Serv)
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100 MW 100 MW 60 MW
Thermal Oil Energy Storage
40 MW
TES
10 MW 50 MWh
30 MW
2,4 MW Summer
Winter
100-200 MWh
30 MW
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CONCEPT OF “CHP BATTERY” Operating Strategy Winter/Summer
(Patent Application from Energy-Serv)
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100 MW 100 MW 60 MW
Thermal Oil Energy Storage
40 MW
TES
10 MW 30 MW
30 MW
2,4 MW Summer
Winter
ENERGY-SERV ALREADY OPERATES THIS CONFIGURATION SINCE 4 YEARS, IN ROMANIA, WITH GOOD FINANCIAL RETURN ! THE DIFFERENCE IS ONLY “FUEL” –BIOMASS, (INSTEAD OF “TES”),
100-200 MWh
Continued
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THERMAL ENERGY STORAGE
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Hot side
Cold side
How charging and discharging works ( 1 Module 40’ Conteiner 2x2x12 m, ~2-2,4 MWh Storage Capacity)
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During charge, hot HTF comes in
at the top of the TES and gradually heats up the block by flowing in and out of each HEATCRETE® element, as illustrated.
During discharge, the flow of HTF
is reversed. The HTF exits the TES from its hot side at the exact same temperature as the nominal charging temperature.
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ORC-CHP TURBOGENERATOR
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HOW IS ORC WORKING ?
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TURBODEN CHP TURBOGENERATOR
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Technical Features of Equipment
Why CHP-BATTERY is technically feasible and economic ?
o Key elements of the “CHP Battery”: - All the equipment use “thermal-oil” as the same main energy agent (it is a well known and used energy
media, possible to operate at ~450 C); - All the equipment are tested and commercially available since many years;
o The Electric Boiler: - The Electric Boiler, which will heat-up the thermal oil has a very quick response capability to power load variations ;
o HeatCrete (TES - Thermal Energy Storage): - It can store heat energy, from thermal-oil, up to 420 C; - It is already patented, tested, certified and commercially available
o CHP ORC: - Thermal-Oil was and it is always one of the main best “heat sources” for ORC technology; - The ORC turbo-generators have a very quick capability response to load variations and can be
manufactured in ranges up to 20 MW/unit, or more; - They can be used also, (due to their intrinsic capabilities) for providing “power system services” - One of the best applications of the ORC is the CHP mode - There are already operating thousands of MW capacities worldwide, Romania included
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4. Economic and financial impact
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Possible Configuration Arrangements (to meet the GC- Green Certificates- regulations)
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2 GC
Heat Pipe<10 Km
Dedicated Transp. Line>10 Km Specific Cost ~0,1 mill.EUR/Km
2 GC
2 GC
OPTION 1
OPTION 2
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Electricity Market Prices vs. Fossil Fuel Heat Generation Prices (winter, Romania)
Wind farm should choose the “best strategy” for Heat market as well
01-06 (Bloc_Gol_1) 23-24 (Bloc_Gol_2) 07-22 (Bloc Varf) 07-23 (Bloc Zi) 01-07 (Bloc Noapte) 01-24 (Bloc Baza)
1/4/2016
Series1 17.0 43.3 57.3 56.7 21.3 205.0
0
10
20
30
40
50
60EUR/MWh TAB-1 DAM Price example (winter), DAM=Day Ahead Market
Source: OPCOM, Romania
CHP Battery opportunity
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Heat Generation Marginal Price
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Electricity Market Prices vs. Fossil Fuel Heat Generation Prices (summer, Romania)
Disturbing Question: Should the Wind Farm exit from the Electricity Market ?
01-06 (Bloc_Gol_1) 23-24 (Bloc_Gol_2) 07-22 (Bloc Varf) 07-23 (Bloc Zi)01-07 (Bloc
Noapte)01-24 (Bloc Baza)
7/18/2016
Series1 5.9 11.7 27.5 27.0 8.2 20.8
0
10
20
30
40
50
60EUR/MWh
Heat Generation Marginal Price
Source: OPCOM, Romania
CHP Battery Opportunity
TAB 2 DAM Price Example (summer) Day Ahead Market
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CHP BATTERY MACROECONOMIC IMPACT
CHP Battery
(Wind Powered)
Supply
Low Cost Heat
Decarbonize Heat Sector
Eliminate
Heat Subsidies
Eliminate Balancing
Costs
Supply controlled
“Green Power”
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Balancing, Flexibility & Efficiency of the Power & Heat System
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5. CONCLUSIONS (Tulcea case: ”first EU city heated by wind energy ?” )
• District Heating of Constanta, Navodari, Mangalia, Braila, Galati, etc., provide the highest levels of “sink energy” for balancing purposes, due to high penetration level of wind energy in Dobrogea;
• EXCESS WIND ENERGY SHOULD NOT BE TAXED IF “SUNK” IN DISTRICT HEATING
• In the future, probably the wind farm planners may consider the heat supply options and not only electricity, for improving the operation efficiency and economics;
• WE CAN HEAT ALL ROMANIAN CITIES WITH WIND ENERGY !
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HOW “STORAGE” SHOULD BE TREATED ? (quotes from EU principles)
• Grid Fee: plays a major role in deployment of energy storage (Greed Fee should be scrapped for energy storage- it’s part of the Grid !)
• Storage= electricity is used twice (?!): – first: supply to storage
– second: supply from storage to the consumers
– BUT: storage it is neither generator, nor consumer of energy !
• EURELECTRIC Position: “Withdrawing electricity from the grid with the aim
of electrical, chemical, mechanical or thermal storage and re-feeding it with delay into T&D systems, are not final consumers and should be exempted from the obligation to pay grid charges for final consumers” !
• Everything depends on each country Regulator !
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Thank you!
• Energy Serv SRL, Bucuresti
• Tel: 021-311-8345
• Fax: 021-319-3214
• Email: [email protected]
• Mobile: 0040-744-569-150
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