Korean Electricity Market

8/9/2019 Korean Electricity Market

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Power PlanningPower Market

Power System

Korean Electricity Market

Operation

Sang-Jin Chung

☎ +82-10-523-!13

"#chung$kp%&or&kr


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Copyright 2011 by KPX co., Ltd. All rights reserved. 2011 IRAN IGC Po!er "yste# $per%tio& 'r%i&i&g Progr%#

Jeju T/P

Yangju

Seo-Incheon

Youngheung T/P

Hanrim CC

NamjejuSeogwipo

AndukSin-Jeju

Hanla

Sungsan

Jocheon

ong-Jeju

Sanji

Seo-Incheon C/C

Incheon T/P! C/C

Sin-Incheon

Sin-Sihung

Sin-"up#ung

Sin-ukheun

Chung$uYoungdeungpo

Youngseo

Seo-seoul

%ijeong$u

Sungdong

HwasungSin-suwonP#ung&aek T/P! C/C

Ansan

Sin-angjinangjin T/P

Taean T/P

Sin-on#ang

"or#eong T/P! C/CChung#ang

'unsan

Sin-'imje

Youngwang N/P

Sin-'wangju

Sin-Hwasun

Sin-'angjin

Haenam C/SYeosu N/P

'wang#angHadong T/P

Sin-Namwon (uir#ong

Sancheong P/P

)uju P/P

Sin-*kcheonSinkaedong

Chungwon

Sin-Jincheon

Sin-'osung

Samcheonpo T/P

In-)asan

Sin-'imhae

"uk$usan

Pusan C/C Nam-Pusan

+ori N/P

Sin-*nsan

%lsan TP! C/C

,olseong N/PSeo-aegu

"uk-aeguSunsan

'or#eongaegu

Sin-+#eongsan

%lju

Sin-%lsan

Sin-Youngju

Sin-Youngil

Cheongsong P/P

%ljin N/P

onghae

Yang#ang P/P

Sin-Jecheon

Sin-'ap#ung

Sin-Ansung

Sin-seosan

Sin-Yangje

Sin-Ansan

Sin-Tae$aek

Sin-Yangsan

Sin-Youngin

Sin-Sungnam

ong-Seoul

)igum

'onjiam

CHAACT(ISTICS

Isola&ed power grid wi&hin +orean peninsular. High grow&h ra&es o power consump&ion. - Annual increase ra&es0

1 234-5367 48.39! 23:-5887 ;. million

&oe! 28@ B Primar# energ# resources0 - *il7


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"undang

Seoul

Sanchung

Hapchun

Cheongsong

IncheonPucheon

P#ung&aek

An#ang

Youngkwang

Chungju

Chuam

Yeosu

Honam +wang#ang

Sumjinkang

Yongdam

)uju

Seocheon"or#eong

P*SC*

Sin-IncheonPaldnag

Chungp#ung

(uiam

ChuncheonHwachun

Hadong

Samrangjin

Samcheonpo"usan

+ori

Andong

Yang#ang

+angreung

%ljin

Imha

Youngnam

,olseong

Small H#dro =Pocheon e&c

So#angkang

Ilsan

Youngheung

Taean

'"ugok

%lsan

aechung

angjin

Seo-Incheon Youngdong

onghae

Yulchon

Jeju

=%ni& 7 48 ),

6?4@8

33

4>8

4@8

68

>8!:.39

?


4/10


Characteri"tic"

irec& Curren& ine

- Connec& &he main land

&o Jeju Island

35k)

)ain &ransmission s#s&em

is&ri$u&ion s#s&em

- Connec&ed &o majorareas o consump&ion

15k)

Second HEC ine $e&ween main landand Jeju island is $eing $uil& $# >84>= ?88), ;88),⇒

*!5k))ass &ransmissions#s&em

=%ni&7 C-km/ Num$ers o S/S

15k) 20,*00 !28

35k) 8,552 88

*!5k) *55 !

Jeju T/P

Yangju

Seo-Incheon

Youngheung T/P

Hanrim CC

NamjejuSeogwipo

Anduk Sin-Jeju

Hanla

Sungsan

Jocheon

ong-Jeju

Sanji

Seo-Incheon C/C

Incheon T/P! C/C

Sin-Incheon

Sin-Sihung

Sin-"up#ung

Sin-ukheun

Chung$u

Youngdeungpo

Youngseo

Seo-seoul

%ijeong$u

Sungdong

Hwasung

Sin-suwonP#ung&aek T/P! C/C

Ansan

Sin-angjinangjin T/P

Taean T/P

Sin-on#ang

"or#eong T/P! C/CChung#ang

'unsan

Sin-'imje

Youngwang N/P

Sin-'wangju

Sin-Hwasun

Sin-.ang#in

Haenam C/SYeosu N/P

'wang#ang

Hadong T/P

Sin-Namwon (uir#ong

Sancheong P/P

)uju P/P

Sin-*kcheon

Sinkaedong

Chungwon

Sin-Jincheon

Sin-'osung

Samcheonpo T/P

In-)asan

Sin-'imhae

"uk$usan

Pusan C/CNam-Pusan

+ori N/P

Sin-*nsan

%lsan TP! C/C

,olseong N/PSeo-aegu

"uk-aegu

Sunsan

'or#eong

aegu

Sin-+#eongsan

%lju

Sin-%lsan

Sin-Youngju

Sin-Youngil

Cheongsong P/P

%ljin N/P

onghae

Yang#ang P/P

Sin-Jecheon

Sin-'ap#ung

Sin-Ansung

Sin-seosan

Sin-Yangje

Sin-Ansan

Sin-Tae$aek

'wang#ang S&eel

Sin-Yangsan

Sin-Youngin

Sin-Sungnam

ong-Seoul

)igum

'onjiam

Hadong T/PSamcheonpo T/PPusan C/C

'wang#ang S&eel

<


5/10


￭ A peak demand o ;4', occurred on ec 46! >848

F :.@9 increase compared &o &he las& #ear2s peak.

F Higher &han eGpec&ed due &o &he eG&ended cold waDes.

￭ The capaci margin was jus& around :.>9 =&he lowes& since >884

F Has graduall# decreased due &o &he dela#ed cons&ruc&ion in acili&ies.

F )a# improDe rom >84> wi&h &he genera&or addi&ions.

!;38

=8.@9:>!>38=6.:9

6:8

=@.>9

6@[email protected]

eserDe margin

B As o ec ! >848 ;4!?8@=:.@9

Peak demand

='row&h ra&e

4>.>944.?9

48.69

;.>9

3.49

:.>9

::!@88

=:.


6/10


￭ )anda&or# Pool

F All generators(≥ 1 MW) and retailers should trade(buy and sell)electric power through the market 0 All marke& par&icipan&s shouldregis&er as &he +P mem$er.

F The marke& pla#ers are '(NC*s=sellers and +(PC*=&he single $u#er.

￭ 'enera&or "idding Pool

F *nl# &he suppl#=genera&ion side $id in&o &he pool wi&h &heir genera&oraDaila$ili&ies or each &rading da#.

F The $u#er does no& $id and &he purchaser! +(PC*! ac&s as a price &akerin &he marke&. +P orecas&s &he hourl# elec&rici demand or &he &radingda#.

F The marke& clearing is processed hourl# $ase! prices and Dolumes areiGed da#-ahead or >< hours o &he ollowing da#.

:


7/10


￭Cos& "ased Pool =C"P

F The cos& =no& &he price o each genera&or is $id in&o &he pool.

The genera&ion cos& is de&ermined mon&hl# $# &he 'enera&ion Cos& (Dalua&ionCommi&&ee='C(C $ased on &he uel prices in &he preDious mon&h.

As men&ioned $eore &he genera&ors $id onl# &heir aDaila$ili.

F The S#s&em )arginal Price=S)P is de&ermined in &he process o Price Se&&ingScheduling.

S)P relec&s ac&ual produc&ion cos&s o genera&ors=s&ar&-up! no-load! incremen&al cos&.

F The Capaci Pa#men&=CP is paid $# or &he aDaila$ili declared=),.

CP is paid &o all genera&ors=&he Cen&rall# ispa&ching %ni&s=≥ >8 ), who su$mi&oer da&a! whe&her or no& dispa&ched.

CP is de&ermined a& eDer# #ear! and i& is adjus&ed considering &he leDel o reserDemargin which can $e &he signal o inDes&men&s.

※ CON/COFF Payment are payed for the differences between the scheduled and the

actual generations.

;


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￭ T#pes o of ncillary Ser!ices

1) "re#uency $ontrol % &"'&$

) &eneration eser!es % *perational reser!es pro!ided by fast startgenerators+

,) -lack Starts % 1 or Self start.up generators per region+

/) 0oltage egulation Ser!ice % *bligation of reacti!e power supply+

￭ ncillary Ser!ices Payments

F $ompensation for ancillary ser!ices is paid according to theircontributions i+e+ &"'&$ ser!ice performances are assessd by theperformance inde2+

F $o.optimi3ation between energy and ancillary is possible+

F 4he economic dispatch principle (merit order) is fully met i+e+ the rolesof each types of the generator is ful5lled according to their functions+

i+e+ the -ase load($oal) 6 Ma2+ energy output+the Peaker(78&)6 9:ecti!e load following by pro!iding &$ser!ice+

@


9/10


/rae )olue"=%ni& 7 T,h

/rae ayent"=%ni& 7 "illion ollar

58; 58@ 54858; 58@ 548

4@

>?>@

u'er o4 Me'er"

=%ni& 7 No.

58; 58@ 548

B As o ecem$er! >848

48<

?8>>

?;<

?3>


10/10


￭)arke&/Purchasing PricesF S&eadil# rising since &he es&a$lishmen& o &he

marke&.F The marke& price jumped in >88@ due &o high

increase o uel prices.

F )arke& prices were main&ained a& high leDels!howeDer! &he aDerage se&&lemen& prices kep& a&a marginall# increased leDel &hanks &o &henuclear power.

￭ e&ail prices

F S&a$le eDen wi&h &he high uel prices.

F This is $ecause re&ail &aris are regula&ed $# &hegoDernmen&! and +(PC*5s inancial s&a&us are no&good in recen& #ears due &o &he high purchasing pric

F Cross su$sid# $e&ween &he &aris according &o &heusages make i& diicul& &o progress &he marke&eDolu&ions.

K e&ail &aris $# &he usages L

K )arke& Price/Purchasing Price L=/),h

48

Korean Electricity Market

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