TEPCO- Improvement of energy efficiency in power …for global warming countermeasure the Action Plan for the Electricity Business for Achieving a Low-Carbon Society （The Electric

©TEPCO Fuel & Power, Inc. All Rights Reserved.

TEPCO-

Improvement of energy efficiency in power plant

2


TEPCO’s Structure Overview

Power Grid

▪ Function: Transmission And Distribution

▪ Employees: 15,000

▪ Assets: $55 Billion

Energy Partner

▪ Function: Power Retailing


▪ Assets: $20 Million

▪ Established In 1951

▪ Function: Electric Utility

▪ Capacity: 66.0 GW In Japan

(Thermal, Nuclear, Hydro)

▪ Employees: 35,000 (Holdings)


Fuel & Power

▪ Function: Thermal Generation

▪ Capacity: 45 GW In Japan



TEPCO

Holdings

USD1 = JPY 100

Introduction

3


The framework for the Electricity Business

for global warming countermeasure

the Action Plan for the Electricity Business for Achieving a Low-Carbon Society （The Electric Power Council for a Low Carbon Society, ELCS)

● Aiming for an emission factor of approx. 0.37 kg-CO2/kWh (use-end) in FY 2030.

● Expect a maximum reduction potential of approx. 11 million t - CO2 by adopting the Best Available

Technology (BAT) that is economically feasible when building new thermal power plants.

■Low-carbon energy as the supply side（Reduction of CO2 EMISSION BASIC UNIT ）

Expanding the use of non-fossil energy sources

Using renewable energies

Using nuclear power with safety as a major premise

Improving the efficiency ofpower facilities

Improving the efficiency of thermal power.

Reduction of transmission and distribution loss

■the energy efficiency as the demand side

Energy conservation

Promoting high-efficiency electrical devices (• Heat pumps , TES air-conditioning systems)

Using renewable energies and unused energy

PR activities and providing information on energy-saving and CO2 reduction

Promoting load leveling

Efforts by electric utility

industry as usersEfforts in office-use energy conservation and so on

4


High Availability

High EfficiencyLow Cost Fuel

Best Economical Operation From Fuel Procurement to Power Generation

Fuel Upstream Delivery・Receiving Operation Maintenance

Fuel Procurement O&M

TEPCO Fuel & Power, Inc. Business FieldIntroduction

5


0

200

400

600

800

1000

1200

1400

7ヶ

国10プ

ロ…

IGCC（

3基

建設

…

石炭

GTCC 1

,600℃

級

1,5

00℃

級

1,3

00℃

級

1,1

00℃

級

ガス

コン

ベ

油コ

ンベ

TEPCO Fuel & Power, Inc. Business Operation Summary

Scale

of

Dom

est

ic &

Overs

eas

Pow

er

Busi

ness

MW

Age o

f Pow

er

Sta

tion

Coal-

Fired

GTCC

1,6

00℃

Cla

ss

1,5

00℃

Cla

ss

1,3

00℃

Cla

ss

1,1

00℃

Cla

ss

Conventional

Gas-F

ired

Conventional

Oil-F

ired

7 C

ountr

ies

10 P

roje

ct

5 orYounger

Capacity (MW)

IGCC

(3 N

ew

Units)

Our capacity

2,000

4,000

6,000

8,000

10,000

12,000

14,000

2,000

4,000

6,000

8,000

2,0000

6


Fleet

GT

CC

Units

Total 98 45

GW

4 3.2

1300℃ 26 9.7

1500℃ 12 6.4

1100℃ 14 2.3

Gas Conventional 23 12.7

Coal

OilConventional 19 10.7

OEM

▪ MHPS

▪ MHI

▪ Hitachi

▪ Toshiba

▪ GE

▪ IHI

▪ MELCO

▪ Fuji

Our Domestic Assets (98 thermal power units, 45GW) in JapanAsset owned by TEPCO in JAPAN

7


Overseas IPP Business Development

(Successfully Integrated to JERA)

Overseas Investment

TeaM Energy (Philippines)2,304,000kW (50%)Philippines’ largest overseas IPP Business

EGCO (Thailand)3,928,000kW (12.3%)Thailand’s largest IPP Holding Company

Umm Al Nar (UAE)2,200,000kW (20%)Gas-fired Thermal Power &Seawater desalination process in UAE

Phu My 2-2(Vietnam)715,000kW (15.6%)First 100% foreign ownedBOT project in Vietnam

Paiton I・Ⅲ (Indonesia)1,230,000/815,000 kW (14%)PaitonⅢ began commercial operation in March 2012 and was modeled after TEPCO’sultra super critical coal-fired thermal power plant

Chang Bin, Fong Der, Star Buck (Taiwan)490,000/980,000/490,000 kW (19.5/19.5/22.7%)High efficiency gas-fired thermal power generationproject with combined cycle plant

Umm Al Houl (Qatar)2,400,000kW (10%)Gas-fired thermal power generation and seawater desalination project in Qatar

*As of Jan. 2016*():TEPCO’s equity

8


Method of Efficiency ImprovementTEPCO F&P Approach

DATA

TEPCO Data Analyzing Center

<Heat Rate>

comparison

TEPCO ENGINEER

《Service Menus》

■ Optimized operation &

inspection

■ Fuel cost reduction by

maintenance

■ Economical equipment

renewal

Performance

engineers

Instruction

Maintenance

engineers

Improvement activity

(Optimized operati-

on)

Equipment

engineers at HQ

Proposal

Power Plant

Economic

evaluation of

large-scale

renewal

Equipment

Renewal

9


Principle of Thermal Efficiency analysis (Off-line) TEPCO F&P Approach

Thermal Power Plant

(e.g. Coal fired power plant)

Input: Spec data (ideal data)

• dynamic parameters(e.g. Temperature)

• Static parameters(e.g. Material of pipes)

Output: Heat balance model

Spec sheet of

each component

Pipe (Vendor B)

Spec sheet of

each component

Steam Turbine (Vendor A)

Operating data

• Grasp operating status ofequipment

• Identify factor(s) for performance degradation

• Consider method for performance improvement

• Verification of performance improvement method

Result of Simulation

10


Instruction to the Power PlantTEPCO F&P Approach

■Optimized Operation

• Adjust amount of SH spray• Review number of operating CWP during low-

load operation• Optimize number of condenser ball cleaning

■Proposal of maintenance and equipment renewal

• Restore HP turbine internal efficiency by replacing of the blades

• Restore HP turbine internal efficiency by replacing of seal ring

• Optimize cleaning location of HP heater jet cleaning

Example of analysis output

+

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Example of solutions

HP Heater Cleaning Effect Sample Calculation

What performance management application can do?

⇒ Easy Assessment with High Accuracy

HP HTR Jet Cleaning Effect Estimate (Ex.HK1 )

HP3 HTR 4,300

t-CO2/yearHP2 HTR 50

HP1 HTR 1,000

Total value 5,350

* Heat Rate Improvement (Total of AB)

TEPCO F&P Approach

HP3 H

TR

HP2 H

TR

HP1 H

TR

Image of system flow

boiler

BFP

Deae

ratorLP1-4

HTR

Co

nd

en

ser

Genera

torHP/ IP/ LP Turbine

12


Thank You For your Attention

Documents

TEPCO- Improvement of energy efficiency in power …for global warming countermeasure the Action Plan for the Electricity Business for Achieving a Low-Carbon Society （The Electric