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NEDO-MEA Meeting

11 December 2012

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MEA Background Bangkok,Bangkok, NonthaburiNonthaburi andand SamutprakanSamutprakan

Service areaService area :: 33,,192192 kmkm22

Maximum DemandMaximum Demand:: 88,,383383 MWMW

Substation no.Substation no.:: 149149

Number of customerNumber of customer :: 33,,115115,,695695

April , 2012Load

Time

2

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Distribution facilities

Transformers

Terminal station 230/69-115 kV ( 17 stations) 18,205.88 MVA Substation 69-115/12-24 kV ( 149 stations ) 18,405.00 MVA

Distribution 12-24 kV/230-380 V 14,148.68 MVA

TRANSMISSION LINES . cc - m

115 kV ( 38 LINES ) 722.75 cct-km 69 kV ( 77 LINES ) 897.88 cct-km

DISTRIBUTION LINES

24 kV ( 1,156 LINES ) 12,829.52 cct-km

12 kV ( 464 LINES ) 4,279.18 cct-km

Low voltage 27,211.83 cct-km

OPTICAL FIBER

ADSS Structure Cable 10,000.00 cct-km

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Operation and maintenance

No subsidiary company

24 kV line maintenance by district office

69 and 115 kV maintenance by Maintenance

epartment Substation equipment maintenance by

Maintenance department

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Quality of supply

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Adder

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Energy Regulatory Commission policy framework as to ensure the equality and

fairness nested between consumers, producers,and other relevant interest groups.

The primary functions and duties

systems of generation, transmission, distribution, andtheir system operator.

monitoring energy market conditions by tariff review,licensing, approval of power purchase, disputesettlement and fulfilling its mandate, in order tocounterbalance each other, to ensure maximuminterests of the people and the country

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Challenge1. Power System

Power Quality, Reliability, Security

Loss Reduction, Economic

2. Service

New Service3. Renewable Energy

Manage and Support

New Technology (EV, Energy Storage)4. IT Interoperability and Standard

11

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Smart Grid Roadmap

Stage 12012 2016

Laying the Foundations

Stage 12012 2016

Laying the Foundations

Stage 22017 2021

Large Scale Implementation

Stage 22017 2021

Large Scale Implementation

40 automation substationsAutomation substation in all service area(170 stations)

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Power system

Manage and Control LBS in distributionnetwork cover 30% of service area. Manage and Control LBS in distributionnetwork cover all of service area

Outage area monitoring and managementsystem for HV and MV network

Outage monitoring and managementsystem all network

Automatic service restoration (Self-

healing) in some area.

Automatic service restoration (Self-

healing) in all area

Asset management

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Stage 1

2012 2016

Laying the Foundations

Stage 1

2012 2016

Laying the Foundations

Stage 2

2017 2021

Large Scale Implementation

Stage 2

2017 2021

Large Scale Implementation

Automatic meter reading (AMR) for commercial and industrial customer

Smart Grid Roadmap

13

Service Daily load profile and power consumption monitoring for customer via internet andmobile phone

Street light control

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Stage 12012 2016

Laying the Foundations

Stage 12012 2016

Laying the Foundations

Stage 22017 2021

Large Scale Implementation

Stage 22017 2021

Large Scale Implementation

Support integration of SPP/VSPP and

renewable energy

Monitoring and control SPP/VSPP andrenewable energy in widely area

Smart Grid Roadmap

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Energyconservation

&

Alternativeenergy

Pilot project of 20 EV and 10 chargingstations to study the effect to power

system

Support widely used of EV and chargingstation and electric vehicle to grid (V2G)

Pilot project of energy storage Energy Storage for powersecurity

Building Energy Management System(BEMS)

Integration of BEMS and home energymanagement system

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MEAs Smart Grid Projectsobjective

Project

EMS DMS SA BEMS EV ESS AMR

Substation Automation

According toIEC 61850 pRemote control of distribution

switch with Distribution

Management System

p

Outage monitor in high

voltage and medium voltage p p p p

system

self-healing in some area p p p

AMR for Commercial and

industrial customerp

Ready for SPP/VSPP andRenewable Energy connection

p p p p

Pilot use of EV and charging

stationp

Pilot use of Energy Storage p

Building Energy ManagementSystem p

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Condition or regulations to be

authorized as VSPP

Power Generation Using Renewable Energy (

attached 1 ) Power Generation Using Cogeneration Energy

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The procedure to be authorized as VSPP

1. Procedures and criteria for consideration of

power purchase from VSPPs.

2. Conditions for purchasing electrical power

from VSPPs.3. Power purchasing point and connection point.

4. Costs incurred for VSPPs.