Utility DSO Perspective

B lk S t R li bilitB lk S t R li bilitBulk System Reliability Bulk System Reliability AssessmentsAssessments

Teresa FallonTeresa Fallon

Outline Ireland’s Electricity Structure

Collaborative Initiatives

D d R & P t ti lDemand Resources & Potentials

How to Harness the potential

2

Irish electricity IndustryIrish electricity IndustryOther Generators

El t i it

InterconnectorsTransmission

SystemOwner

DistributionSystem Owner

/ Operator

2.3 millioncustomers

ElectricitySuppliers

Market

OthersESB Generation

Distributed Resources

Embedded Wind/PV

Smart Metering Gateway

Flexible Loads EV’s Heat/Water

Smart Distribution Circuits

Wind Connections MW

System Demand 2020

3990

System Demand 2020

1460 MW1460 MW 1260

ESBN Wind Demonstration ProjectESBN Wind Demonstration Project

A. Exploration of Voltage / Var control on Distribution

jj

control on Distribution connected windfarms

B. Use of voltage regulators to g glimit voltage rise

C. Single transformer cluster stations for windfarms

Distributed Resources

Embedded Wind/PV

Smart Metering Gateway

Flexible Loads EV’s Heat/Water

Smart Distribution Circuits

Smart Meter

Measurement Communications

OperationsTechnical

88

National Smart Meter Customer Behaviour Trial

99

Typical daily usage change observed 4%

2%

0%

-2%

-4%

-6%

-8%

-10%

Overall Peak Day Night

-2.52%* -8.81%* -2.57%* 0.12%*

00:3

0

01:3

0

02:3

0

03:3

0

04:3

0

05:3

0

06:3

0

07:3

0

08:3

0

09:3

0

10:3

0

11:3

0

12:3

0

13:3

0

14:3

0

15:3

0

16:3

0

17:3

0

17:3

0

19:3

0

20:3

0

21:3

0

22:3

0

23:3

0

Distributed Resources

Embedded Wind/PV

Smart Metering Gateway

Flexible Loads EV’s Heat/Water

Smart Distribution Circuits

Minister for Energy with CEO ESB, with positions for national plan for 3,500 EV Charging Points by 20111500 On-Street500 O St eet2000 Home 60 Fast charge units

Impact on load Profile7000

6500

6000

5500

nd (M

W)

Chargingduring

low demand5000

4500

4000

Dem

a low demand

4000

3500

00:00 06:00 12:00 18:00

Electrical demand on an average day in 2020

Load without EV’s Load with controlled charging of 250,000 vehicles

Time series analysis

120

140

30% EVs%

80

100

man

d (kW) 15% EVs

Base case

40

60

Power Dem

0

20

P

12:00 15:00 18:00 21:00 00:00 03:00 06:00 09:00 12:00Time (hr:mm) 14

M l i l B fi f A i D dMultiple Benefits of Active Demand Supplier

Follow SMP – minimise wholesale costs Offer choice to customer Customer Engagement and Relationship building

Distribution Network Operator Manage Local peaks reducing network investment Manage Local peaks – reducing network investment Maximise use Renewable integration through Wind/embedded generator Twinning Reduce network losses through maximum use of Embedded generation and smoothing local

demand profile Transmission System Operator

Management of Constraints Management of generation requirements System reserve

Customer! More choice and control More choice and control Lower wholesale costs Lower Network Costs Direct Savings for Management

C fli tConflicts can occurScenario TSO DSO Supplierpp

Low Market Price, Windy Day Transmission ConstraintNo DSO ConstraintNo DSO ConstraintHigh Market Price, Windy Day DSO Constraint without loadGeneration reserve tightGeneration reserve tightLow Market Price, No Wind DSO Constraint load constraintNo Transmission ConstraintNo Transmission Constraint

Distributed Resources

Embedded Wind/PV

Smart Metering Gateway

Flexible Loads EV’s Heat/Water

Smart Distribution Circuits

Substationsmonitored and

t ll d

Centralised Distribution SystemSCADA Control

controlledby DCCs

MV DAMV DA38kV38kV220kV

Commands / Month from DCC’sCommands / Month from DCC’s

Smart Green CircuitSmart Green Circuit

Operational/ContinuityOperational/Continuity Efficiency Improvements

Smart Green CircuitsDungloe

Smart Green CircuitsThree Rural Islands being

Assessed Kerry – Gurranbaney Dungloe Kilcolgan

Urban Conservation Voltage S llgReduction Trial Sallynoggin Kilcolgan

Sallynogg

Kerry, Gurranbaney

Operational/ Continuity Technologies

Loop Automation

T iTripsaver

FPIASC

Efficiency Demonstrations Embedded Wind – Dynamic Network Configuration Embedded Wind Dynamic Network Configuration

Closed Loop /Dynamic Configuration

20kV Conversion

Low Impedance Transformers

Conservation Voltage Reduction

Var Control

High Power Factor – 97%

LV voltage optimisation – Micro-planet

Leverage these Resources at Bulk Level Distribution System – Clear Targets

Continuity CMI/CML Quality EN 60160 Efficiency Continuity CMI/CML, Quality EN 60160, Efficiency ……… Distribution System Advancements

Expand OMS – DMS – Real times Efficiency Optimisation as well as Continuity Self Healing BULK SYSTEM RELIABILITY?Continuity – Self Healing – BULK SYSTEM RELIABILITY?

Increase Visualisation Control ESB Networks Remote Network Control– 1400 -> 13,000

Integrate Smart Meters to Operations in practical way Integrate Smart Meters to Operations in practical way Voltage Conversion

Work Together TSO – Dispatch >5MW

200MW Flexible Load Not leveraged by DSO 200MW Flexible Load – Not leveraged by DSO

Clear Identification of requirements from TSO’s Reserve tiers for Flexible load parameters Benefit of voltage support Interruptible loadsp…. Define the business case

Thank YouThank You

Any Questions?Any Questions?