in India, 17 March, 2016 TEPCO‘s Smart Grid … : System Average Interruption Duration Index As of...

Copyright ©2016 Tokyo Electric Power Co., Inc. All Rights Reserved

ISGF 2016in India, 17 March, 2016

TEPCO‘s Smart Grid Initiatives

◆Service Area : 39,576 km2

・One-tenth of Japan’s land area

◆Population : 44.8 million

◆Electricity Sales :

257,000 GWh (FY 2014)

◆Peak Demand :

64.3 GW (July 2001)

49.8 GW (Aug 2014)

・One-third of Japan’s total demand

Takashi OharaPower System Engineering Center,

Power Grid Company, Tokyo Electric Power Co., Inc.

Position of TEPCO

Theme-C: Part(ⅰ) SG Project Outcome –Utility Perspective


2Contents

Ⅰ． Power System Reforming in Japanwer System

Reforming in J

Ⅱ． Change of TEPCO’s business administration system

Ⅲ． Major management challenges regarding power

transmission and distribution section in TEPCO

Ⅳ． TEPCO’s initiatives for Smart Grid


3

Phase1

2015

Foundation of Wide-Area Grid Operator

・ Planning of Wide-Area Power Supply and Demand Balancing

・ Wide-Area Grid Operation

・ Planning of Interconnecting Lines and Area Trunk

Transmission Lines

・ Supply and Demand Balancing Emergency Control

Preparation for Retail Complete Liberalization

Phase 2

2016

Retail Complete Liberalization

Transition Term of Tariff Regulation

Abolition of Tariff Regulation

Last Resort Service and Universal Service to be secured

・Preparation of Rules for More Neutral Grid Utilization

・Design of Capacity Market and Bidding System of Power Plants

Legal Unbundling of Transmission and Distribution Sector

Realization of

Competitive

Market

Phase 3

2020

Organization for Promoting Wide-Area Grid Operation

I. Power System Reforming in JAPAN

Road Map for Power System Reforming in JAPAN from 2013

Preparation of Wide-Area Grid Operator


4

April 2013～

Po

we

r Grid

Co

mp

an

y (P

GC

)

Cu

sto

me

r Se

rvic

e

Co

mp

an

y (C

SC

)

Fu

el &

Po

we

r

Co

mp

an

y (F

PC

)

Corporate

April 2016～

TE

PC

O P

ow

er G

rid

Co

mp

an

y

TE

PC

O E

ne

rgy P

artn

er

(Re

tailin

g)

TE

PC

O F

ue

l & P

ow

er

Co

mp

an

y

Tokyo Electric Power

Company Holdings, Inc.

II. Change of the business administration system of TEPCO

Holding Company System in TEPCO (2016-)

Holding Company System

In house Company System

Tokyo Electric Power

Company, Inc.


Electricity Supply Facilities (International Comparison)

III. Major management challenges of power transmission and distribution section in TEPCO

Coexistence of lower wheeling charges and stable supply

Frequency of Outage

(SAIFI)

Duration of Outage

(SAIDI)

Japan : 0.16 (times / per year)

TEPCO : 0.07 (times / per year)

Japan : 16 (minutes / per year)

TEPCO : 4 (minutes / per year)

SAIFI : System Average Interruption Frequency Index

SAIDI : System Average Interruption Duration Index

As of the end of FY 2014

Source: TEPCO

Source: TEPCO

(Notes)

1. For Japan, the data was acquired in FY 2013 by the federation of

Electric Power Companies

2. For USA, the data was acquired in FY 2013, which includes bad

storms. (Ref)”Statistics of foreign electric power business (2014)

“by Japan Electric Power Information Center

3. For Germany, France and UK, the data was acquired in FY 2012,

which includes heavy weather. (Ref) CEER [Benchmarking Report

5.1 on the Continuity of Electricity Supply]

5


III. Major management challenges of power transmission and distribution section in TEPCO

Coexistence of lower wheeling charge and stable supplyW

heelin

g C

osts

(yen/k

Wh)

Wheeling Costs (International Comparison)

Source : Mitsubishi Research Institute, Inc., March 2012

6

Yr


0

10

20

2011 2012 2013 2014 2030

7III. Major management challenges of power transmission and distribution section in TEPCO

Upgrade of network use environment

Installed capacity of Renewable energyIn

sta

lled c

apacity (

GW

)

FIT（2012.7～）

(Prospected)

･･･

FIT : Feed-in-tariff


8

Solar

HydroNuclear

Battery

Thermal

TEPCO

Central Dispatch Center

Other

Utility

1 Upgrade of Distribution system

【36P】

WindBattery

Substation2.1 Wind Generation

Enhancement

2.2 Increase of East-West

Interconnection Capacity

3.1 Development of Integrated

Battery System

3.2 V2G Demonstration

Organization for Cross-regional

Coordination of

Transmission Operators

IV. TEPCO’s initiatives for Smart Grid

Overview of TEPCO’s Smart Grid activities

Transmission

Network


9

:Communication line

★ Remote setting for

control devices

東京電力

:Sensor built-in switch

Monitoring data

Measurement

Data (V, I, etc)

New information

＜Office＞DG

Substation

SVR, etc

Wind, PV

Smart meter

:Distribution Line

＜Modernization of Distribution＞

★ Prompt system

impact study for

interconnection

★ Fault point

detection by

monitoring V0, I0

★ Switching based on

phase angle

measurement


1. Upgrade of Distribution System

Optimization of Distribution Network Operation

Merits of monitoring and controlling system with sensor built-in switch- Securing of power quality using measurement data (V, I) for RE integration study

- Quick fault detection and prompt restoration to prevent faults

- Improvement of efficiency using remote control


10

TEPCO receives power from Hokkaido and Tohoku,- to reduce frequency fluctuation in Hokkaido.- to enhance regulation control volume in Tohoku.

Power from Hokkaido

Power from Tohoku

Inter-tie line (DC)

remote control

Wind-Farm

Curtailment

New control scheme

Utilization

New control scheme

Utilizationremote control

Curtailment

Wind-Farm

Inter-tie line (AC)

TEPCO

・If necessary, curtail power output of wind-farms.

Now

Supply

Demand

調整力

Transmission amount

for TEPCO

Future

Demand

調整力Supply

Generation Control of wind power

Base

power

supply

Base

power

supply

Regulation power


2.1 Expansion of wind power generation by power system operation

with wide area coordination


11

East-West Interconnection

1,200→2,100MW(＋900MW)

Shin-Shinano 2FC thyristor valves

60Hz System(West)

50Hz System(East)


2.2 Increase of East-West Interconnection Capacity by HVDC

Shin-Shinano 600MW

Sakuma 300MW

Higashi-Shimizu300MW

New HVDC 900MW

Frequency converter station

FY2020


12

Distribution System

Utility-side Batteries

Thermal Power

SubstationICDSystem

ICDSystem

Customer-side Batteries

Battery SCADA

Hydro PowerFunctions of Battery SCADALoad Frequency Control

Daily Demand & Supply Balance

Spinning Reserve

Virtual Large

Battery

SCADA: Supervisory Control And Data Acquisition, ICD: Information Collection & Distribution

Central Loading Dispatch Center

Power System

Information Network

Transmission System

Connecting toBatteries of

SHARP & SONY

-200

-150

-100

-50

0

50

100

150

200

11:30 11:40 11:50 12:00Time

Output［kW

］

Control ValueOutput

Trial result

IV. TEPCO’s activities for Smart Grid

3.1 Development of integrated control of battery energy storage

Battery SCADA enables the System Operator to control Multiple Dispersed

Batteries as a Virtual Large Battery.


13

V2G System

Solar panel

Smart HouseAC/DC

Distribution Line

EV

Electricity Electricity

Energy Services

TEPCO’s Smart House Concept

Electricity

Life HEMS Screen


3.2 Vehicle to Grid (V2G) demonstration project


14

Monitoring and

control server

Charge/

Discharge

A/CHeat Pump

EV/PHV

Electric Light

Solar

HEMS/

Smart Interface

Control

Mega SolarBattery

Control CenterDistribution

network

PCSPCS

EMS

Smart Meter

control

Generation

control

EMS

Hotel

EMSHeat Pump

Generator

Minimize battery capacityFuel costs reduction

Energy ManagementMonitoring/

control

Geothermal energy

Monitoring/

control

Monitoring/

control

Fishing port Refrigerator・Local industry


Island Field Test

Through an island field, the cost-minimum system is verified by the cooperative

control of power plants and storage facilities.


15IV. TEPCO’s initiatives for Smart Grid

Development and Introduction of Smart Meters

EV

Watching service etc.

Smart meterEnergy Efficiency

Consult

PV

Visualization (Direct offer)

Battery

Automatic metering

Demand Response etc.

Visualization（Web）

MDMS

TEPCO (PGC)

Mobile phone, Internet

New service・Demand Response(DR) etc.

Retailers System

A route

B route

MDMS : Meter Data Management System

Communication

Configuration of smart meter system

Measuring function


16IV. TEPCO’s initiatives for Smart Grid

Schedule of Smart Meter installation

2015FY 2017 2018 2019 202020162013~14

Installation

Plan

Approx.

27 million

houses

Introduction period Acceleration periodDevelopmental

period

5.7million

Meter

Total10 million 27 million

Smart meter


17

• TEPCO's Power Grid Company has secured a stable power supply, utilizing scale merit of large capacity and bulk power transmission.

• Smart Grid will be a platform for realizing energy use efficiency and optimization through a revolution in energy services.

• TEPCO will work to realize this platform with:– Smart meters and new services pursuing the ideal

business model in the liberalized market

– Various R&D challenges and Technologies

Conclusions


Thank you

for your attention!

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