Microgrid for Data Center Infrastructure

Hyungsoo KIM, KT

1.   GREEN is MONEY

2. Green IDC (Internet Data Center)

3. Microgrid for IDC

The growth rate of IT sector related CO2 emissions is 5.5 times that of global emissions

ICT industry power consumption & CO2 emission levels

4,000 3,500 3,000 2,500 2,000 1,500 1,000

500 0

2007 2010 2015 2020 2025 2030

546 752 1,307

1,902

2,710

3,381

334 449 775 1,116 1,592

2,005

Electric consumption (bn KWhrs) CO2 emission (Mtons)

CAGR = 8.48%

60 55 50 45 40 35 30 25 20

2006 2010 2015 2020 2025 2030

CAGR = 1.52%

31 33 36

38 41

29

CO2 emission levels from global energy usage

CO2 emission (Btons)

Source : Energy Information Administration, World Energy Projections Plus, 2009

The Asian Green IT business is expected to grow 58% on average per annum

The Green IT Market

2006 2007 2010

31.2

64

150

(Unit : $B)

3,500

500

1,000

1,500

2,000

2,500

3,000

0 2010 2011 2012 2013 2014

(Unit : $M)

Asia Pacific CAGR : 58% Europe CAGR : 13% North America CAGR : 38%

Worldwide Green ICT solution market * Source : Forrester, 2008

Worldwide Carbon Trading Market * Source : Korean Ministry of Planning and Budget

New Growth Providing IT solutions

for green ICT

Efficiency Implementing Green ICT

Social Responsibility KT will help save the planet

by green ICT

‘s strategy for a sustainable green growth

KT’s Green Vision; Green KT, Green KOREA

KT will reduce up to 20% of its carbon emissions from 2005 level by 2013

Green Office Green Energy Green Infra

LED Lighting

Video Conferencing

Paperless

Solar Panel power plants

Geothermal Air-conditioning

All-IP based BcN

Green IDC

CCC

Carbon Emission Reduction

WiBro

Video Conference

Cloud Computing

Energy Information

Network IPTV

Solar Energy

Geothermal Power

Green-City USN

Green IT business will lead to new growth for KT & Korea

1.   Green is MONEY

2. Green IDC (Internet Data Center)

3. Microgrid for IDC

KT (31.4%)

SKT (50.6%)

LGT (18.0%)

Wireless Cellular Broadband Internet

Telephone

As of December 2009

KT (42.5%)

SKB (23.4%)

LGT (15.4%)

SO (17.7%)

KT (89.8%)

SKB (8.7%)

KT takes 1st position in Korea Telecom Market

LGT (1.5%)

Internet Use(% of total popularity)

Mobile Subscriber Ratio (%)

66 55

75

36

88

65 64 50

Top 10 IDI Countries

Sources : ITU, IMD, World Competitiveness Yearbook 2007, World Telecommunication Indicator, OECD 2008

Korea has shown outstanding position in world ICT field

IDI : ICT Development Index, ITU

  KT’s main IDC infra(BunDang, MokDong, YoungDong) has experienced an average of 23.8% annual increase in power consumption since the year 2006.   If the current trend continues, KT’s IDCs will consume 519.4 Gwh of power in the year 2013.

Annual Power Consumption in KT Data Centers

2006 2007 2008 2009

2013(E)

: Billion won

Annual Power Consumption in US Data Centers

US Source : Report to Congress on Server and Data Center Energy Efficiency, Energy Star Program

Increase in Electrical Consumption of IDCs

First Step of Green IDC : AC → DC For a full implementation of Green IDC, the power source must be converted from AC to

DC to decrease steps in current conversion

  Nam-Suwon IDC : Partial DC implementation in ’06   Bundang, YoungDong, MokDong IDC : Partial DC

implementation in ’09

DC AC AC DC AC C P U

battery

AC

Server Racks UPS

Many conversions of current leads to energy loss

DC AC DC C P U

battery

DC

Server Racks UPS

13~25% Increase in energy efficiency

Case of AC Case of DC High

Low

DC AC

Security, Quality

Reliability Availability

Convenience Mobility Safety Cost

<Advantages of DC>

Energy Efficiency of IDC is 16% up !

Second Step of Green IDC : Cloud Computing KT is converging server, storage and network hardware using virtualization technologies

for a radical increase in system efficiency

  Cloud Computing = Virtualization(Cloud) + Utility(Computing)   Through cloud computing, KT will 1) improve IT system efficiency, 2) implement personal cloud computing for improved work environments, and 3) apply CC technology into infra/platform based hosting services

Energy Efficiency of IDC is 22% up !

KT

Car

bon

Emis

sion

Y 2005 Y 2013 (BAU)

NGN(All-IP) 29%

Video-conf. 17%

CCC 12%

Green IDC 10%

Others 32% R

ed

uct

ion

Targ

et

Valu

e

80%

20%

Two steps covers 10% of target value of Carbon

Emission Reduction Adding on Integrated single network, video-

conferencing, Cloud Communications Center, etc.

NGNs and All-IP Networks

Ethernet PSTN 3G/4G Mobile FR/ATM Future

Link

Voice Data Video Multimedia & Convergence

Future Service

IP

Service Control

 Through All-IP networks, KT can cut down 200GW of power consumption resulting in 89K TCO2 less emission

CCC

HSPA+ WiMAX

Cloud Communication Center

RFE* CDMA LTE

Optic Fiber

 CCC technology can reduce 70% of CO2 emissions compared to traditional networks   KT can reduce 35K TCO2 by implementing CCC technology

1.   Green is MONEY

2. Green IDC (Internet Data Center)

3. Microgrid for IDC

Automated observation of power supply for stable operations in KT telecommunication

facilities

A unified power bill covering over 4,000 KT infrastructures and peak control for lower

energy budgets

An automated switch to backup generators incase of prolonged power blackouts

Faster recovery time of power equipment failures

Remote implementation of emergency procedures incase of natural disasters such as f

ire and floods

Power management and peak controls for unmanned infrastructures

SNC Server

GwaChun NCC

ePOWER Serve

r

KT Building

Metering and Control Module

Observation PC

Data Processor

KT Intranet

KT Building

Metering and Control Module

Observation PC

Data Processor

The Elite is a EMS implemented inside KT’s intranet to remotely monitor and manage in real-time the power consumption and generation (i.e., diesel turbine generator)

of over 4,000 KT owned infrastructures

KT ELITE (Electric Power CentraLIzed Management SysTEm)

Power Grid – AS IS : Korea

Power Flow

Value Flow

Inform

ation Flow

Transmission Facilities

Distribution Facilities

Transmission Mgt.

Generation Facilities

KPX

Generation Mgt. Distribution Mgt.

Customer

Sales Mgt.

Independent management based on each Silo-process

Buying from Generation companies, Selling to KEPCO

One-way flow

Transmission Distribution Consumer & Service Generation Sales

Usage-based Tariff

Transmission Distribution Sales Consumer & Service

Distributed Generation / Transmission / Distribution Generation

Transmission

Sales A

Electricity Storage

Customer C

Distribution

D/G E/S

Integrated Management Center Micro GridA Mgt.

Center

Micro GridB Mgt. Center

Distributed Generation

Traditional Generation

KPX

Sales B

Integrated Power-flow Management based on two-way information flows

Tra. Mgt. Gen.Mgt. Dis. Mgt. Sales Mgt. Flexible power operation and management interconnected

with Micro Grid

Self-healing and flexible power

provision based on Smarter Power Grid

D/G E/S

Real-time Pricing Report

Two-way power flows

Independent Macro/Micro Grid connected to

Main Grid

Real-time monitoring & report

Distributed Generation

Network Automation & Analytics

Smart Meter

Consumer Driven Usage

Electric Vehicles

Main Changes

A

B

C

D

E

B

C

E/V

Customer A

Customer B

D/G E/S E/V

E

E

D

C D

C D

A

A

A

D

D

A

D

Smart Grid – TO BE : Future, ideally

Po

wer Flo

w

Valu

e Flo

w

Info

rmatio

n Flo

w

Energy Storage

Smart Appliance

Smart Box (G/W)

Smart Meter

Smart Tag

EV charger

Smart Meter

BEMS/ FEMS

PCS

Solar

E/S

Wind

Smart Power Hub

Building/ Factory

EV Charger

FTTH

WCDMA/WiBro

Power Market

HEMS MDMS

REMS DRMS Billing

Asset Mg.

App.

CEM EMS

PCS

Solar

※ REMS(Renewable Energy Management System) ※ DRMS(Demand Response Management System) ※ CEM(Carbon Emission Management System)

Jeju Field Trial for Smart Grid Smart Grid can be achieved by the convergence between Power and ICT sector. Smart Buildi

ng will be the most attractive market on this era.

Third Step of Green IDC : Microgrid-based Distributed generation of renewable energy, energy storage, demand response, fuel cell,

Energy Management System, etc. should be implemented as well.

  Based on Integrated Management Platform, 1) improve energy efficiency, 2) implement distributed energy resources (fuel cell, PV, E/S), and 3) interact with energy market through demand response, FMS, BEMS.

21

GREENING is the most important aspect of Corporate Strategy in this era.

The approach is not only Reducing energy consumption,

but also Distributed generation, storing and integrated management of energy.

KT implemented Microgrid technology into IDC first, for internal purpose.

It will also give us Business opportunity on Smart Grid environment.

Summary

22