Key challenges and future role of Distribution Network · MW - Lunedì, 27 Agosto 2012 hour MW...
Transcript of Key challenges and future role of Distribution Network · MW - Lunedì, 27 Agosto 2012 hour MW...
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Key challenges and future role of Distribution Network
Catania, 23 November 2018
Christian D’Adamo
Head Network Development Italy
e-distribuzione
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1.140.000 km Network
700.000Prosumers
15.700People
440.000MV/LV Substations
32 MillionCustomers
2.100HV/MV Substation
227 TWh energy distributed
85% of Country’s distributed energy
10 million of remote operations/year
500 million of automatic readings/year
30.000 CO2 tons avoided
e-distribuzioneKey figures - 2017
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Quality of Service
SAIDI and SAIFI+MAIFI Target 2023
Grid Resilience
Reduction of risk levels vs. extreme
weather events
3 years Resilience Plan issued
Open meter
Network digitalization
Demand Side Management
Resilience
Quality of service Digitalization
Smart Grids
Reliability
Innovation
SAIDI
RES and energy efficiency
55% electricity from RES
Investments on network flexibility
Scenario
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Quality of Serviceand Resilience
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Route to quality excellence
5
System Average Interruption Duration Index (min/year per LV Customer)
A global benchmark
Quality of Service
128
0
20
40
60
80
100
120
140
SAIDI (min/customer)
2001 2008 2016
50
Smart Metering
Network automation
Smart meter Network automation
Work force management
IT integration
Work Force Management
+ 70% Quality of Service
- 35% Opex37
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A new operating contextClimate change impact on network infrastructures
Increasing influence of extreme weather events on network infrastructures
Impact on power networks
Evolution of climate hazard damages to critical infrastructures in the EU, JRC
Impact of weather events (Bln€/year)
0
10
20
30
40
50
oggi 2020 2050 2080
ondate di calore
freddo e vento
alluvioni
heat waves
snow/wind
flooding
today
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Mathematical
Models
A
D
C
B
Impact on the service
Extreme weather
events
Weather Database
Network resilienceRisk evaluation methodology
Risk based investment allocation in Resilience Plan
Outage Risk Index
IOR = P x D
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Network resilience
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Technical solutions
Remote controlNetwork structure
Outage Risk Index
IOR = P x DP = probability of outage at substation(1/TR)
D= damage (number of affected customers= NAC)
Network reinforcement
«D»
Reduction
«P»
Reduction
Fast fault selection
Faster logistics
Meshed structure
Backup lines
Overhead cables
Structural level
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RES Integration
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RES IntegrationLoad duration and RES connections
Maximum power on
e-distribuzione network:
34 GW
Minimum power on
e-distribuzione network:
3,4 GW
Fonte Terna
55
50
45
40
35
30
25
20
15
10
5
60
1 2 3 4 5 6 7 8 9
[hours x 1.000]
[GW]
TOTALE ITALIA:
curva di durata 2017
56,6 GW
19,1 GW
Italy load
duration curve
year 2017
2,3 GW; 8%
2,5 GW; 10%
17,5 GW; 68%
1,2 GW; 5%
4,6 GW; 17%
25,8 GW; 92%
Power connected to e-distribuzione network – Year 2017
Non RES Biomass / biogas
PV Hydro
Wind
High flexibility of distribution network and RES integration
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RES IntegrationConnections
0
2.000
4.000
6.000
8.000
10.000
12.000
Power connected [MW] – Annual data
LV MV HV
0
5.000
10.000
15.000
20.000
25.000
30.000
Power connected [MW] – Cumulative data
LV MV HV
9% 7%
17%11%
25%18%
31%
23%
32%
24%31%
23%
31%
23%
31%
23%
0%
5%
10%
15%
20%
25%
30%
35%
40%
45%
50%
Reverse energy flow ≥1% (≥7 hours/mouth)
Reverse energy flow ≥5% (≥36 hours/mouth)
2010 2011 2012 2013 2014 2015 2016 2017
0
5.000
10.000
15.000
20.000
25.000
30.000
35.000
00.0
0
01.0
0
02.0
0
03.0
0
04.0
0
05.0
0
06.0
0
07.0
0
08.0
0
09.0
0
10.0
0
11.0
0
12.0
0
13.0
0
14.0
0
15.0
0
16.0
0
17.0
0
18.0
0
19.0
0
20.0
0
21.0
0
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23.0
0
[MW] 31/08/2010
29/08/2011
27/08/2012
26/08/2013
25/08/2014
24/08/2015
22/08/2016
21/08/2017
- 49%
28 GW of RES connected on distribution network
AT/MT trafo in reverse power flow
Net load requested by distribution network
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“Ginosa” - Puglia
-40
-30
-20
-10
0
10
200
0.0
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.00
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MW - Lunedì, 30 Agosto 2010
MW - Lunedì, 29 Agosto 2011
MW - Lunedì, 27 Agosto 2012
hour
MW
August, 30th 2010
August, 29th 2011
August, 27th 2012
The substation is equivalent to
a Power Plant… …fuelled by renewables(e.g. clouds effect on DG output)
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RES IntegrationHV/MV substation with RES – reverse power flow
Increased flexibility of network plants
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How to deal with this without jeopardizing system’s security
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Monitoring
• enhanced RES remote control capabilities
• automatic optimal network configuration
• real-time data exchange with RES and TSO
Planning
• renewable DG modeling and prediction
• probabilistic vs. deterministic approach
• Demand Response
Dispatching
• from fit-and-forget to smart integration of RES
• local activation of RES (e.g. voltage regulation and congestions management)
• ancillary services provisioning
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DSO-TSO interoperabilityRegulation and innovation
• 28 GW of Distributed Generation, mainly RES, are today connected to MV and LV networks
• This capacity will double to meet EU targets (55%-62% generation from RES by 2030)
• The Distribution Network will be a strategic asset to change the paradigm of energy consumption (renewables,
prosumers, electric vehicle, demand response, etc)
• The DSO must supervise and coordinate the activation of distributed resources connected on its network
in order to provide safe, secure and reliable energy to all customers
• Moreover, EU and local policies foresee the possibility for DSO to buy “local flexibility services” from
Aggregators, BSPs and Distributed Resources (load, prosumers, distributed generators, etc)
• Data exchange and cooperation between DSO and TSO must be transparent and open, with respect to
reciprocal roles and responsibilities
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Active Demand
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Electric Vehicles forecast (million)
0
2
4
6
2016 2017 2020 2025 2030
Demand increase and electric mobility impact
Scenarios description document – Terna 2018
Distributed energy (TWh)
SEN forecast
314 320323
343
360
2016 2017 2020 2025 2030
New market scenarios
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Open protocol for meter informations access
Support to dynamic prices based market models
Availability of daily load curves
Enabling new value-added services
Support to advanced network management
Second generation Digital Meter4,1 Billion investment in 2017-24
Open technology for Active Demand
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Future role of distribution networkResilient platform for a smarter world
Renewables Integration• RES Dispatching
• Monitoring and Remote control
• Ancillary Services for TOTEX
Secondary substation
as data hub• Sensors network
• IoT Hub
• Multi-metering
Electric Mobility• Vehicle-to-Grid
• Fast-Charge
• Distributed Storage
Active Demand• Flexibility management
• Demand Response
• Smart Grid management
2G Electronic Meter• Enabling new value-added services,
open protocol
• 15 minutes daily load curves
• advanced network management
Optical Fiber• Improved TLC performance
• Advanced Automation (IoT, Smart Fault Selection)
Resilience• Probabilistic analysis of network risk
• Impact evaluation of extreme events
• response capacity in emergency
conditions
Resilient platform for a smarter world
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Thank you