mag. ERVIN PLANINC SINCRO.GRID project Ljubljana, 19. 9. 2019
mag. ERVIN PLANINC
SINCRO.GRID project
Ljubljana, 19. 9. 2019
1. ELES & Power System
2. Challanges
3. SINCRO.GRID
ELES
Who we are?
What we do?
1
ELES – National Transmission System Operater in Slovenia
o Safe and reliable power system operation and power supply
o Development, construction and maintenance of HV grid
o We connect all relevant grid users
ELES – National Transmission System Operater in Slovenia
o We ensure safe, reliable and undisturbed transmission of
electric power in Slovenia and across its borders 24/7
Slovenian Power System
950 MW
2860 MW
680 MW
1488 MW
950 MW
2860 MW
1500 MW
4716 MW
1500 MW
4716 MW
800 MW
1488 MW
NTC values in 2018
Thermal capacity of transmission
International connections
frequency
Transmission
capacity
voltage
Power System operation
System services
Challanges2
Power System flexibility
Generation = Load (in every moment!)
Electricity cannot be stored (expensive)
RES = unstable, irregular source
Increase of RES in EU
Market impact
Vir: Eurostat
UnstableRES generation
Electricity Price
[€/MWh]
[€/MWh]
Electricity [MW]
MC1
consumption
hydro
nuclear lignite
coal
gas
MC2
Unprofitable operation ofconventional units
Freq
. flu
ctu
atio
n
Larger Frequencydeviations
Lack of system services
Power system yesterday
Power system
tomorrow
SINCRO.GRID
project3
Timeline and main steps of the SINCRO.GRID project
Submission of PCI application for projects with smart grid dimension
The project was successfully applied for the 2nd list of PCI projects in 2015
Submission of ConnectingEurope Facility (CEF) application
EU Member States agreed on the Commission's proposal to cofinance
€40,5 million
Signed a grant agreement
Feb, 2015
Nov, 2015
Nov, 2016
Feb, 2017
May, 2017
Implementation of the projects
2017-2020
System testing and optimization of all systems
2021
DecentralizacijaDecentralizacijaGraf, ki prikazuje naraščanje deleža OVE na ravni EU – ?
Solved issues of voltage profiles
Provide more ancillary services -
frequency control
Increasing transmissionlines capacities
Benefits of SINCRO.GRID
Technological innovation with replication potential
Reactive power
flexibility
Increase of Transmission lines
capacitiesActive power
flexibility
II IIII
Elimination of limitation during transition phase in the energy sector
3 main issues
SINCRO.GRID project scheme
Energy Storage System – new technologies
Large field of operation
Multifunctionality!
RES support
• Generation stability
• Increase of cost efficiency
Energy supply
• Energy time shift
• Peak shaving
• UPS
Power Systemoperation
• Voltage regulation
• Inertia
• Frequency control
• Black start
• Investment deferal
Demand shift Peak ShavingVoltage
regulationCongestion
management
RES Generation
support
Frequencyregulation
Power quality
Battery Energy Storage Systems (BESS)
There is no BEST TECHNOLOGY but BEST SOLUTION for the selected function
Battery cellBattery module
Battery rack
BESS
BESS
BESS TSS Okroglo in Pekre
5 M
W
BESS
o 2 x 5 MW/25 MWh @ 110 kV level
o Supplier TESLA MOTORS Netherlands
o Product MEGAPACK
o Start of installation in June 2020
o Start of operation in November 2020
Advancedsupervision
system
Power system
state
BESS output
BESS
state
Sincro.Grid BESS