korean electricity market
TRANSCRIPT
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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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Copyright 2011 by KPX co., Ltd. All rights reserved. 2011 IRAN IGC Po!er "yste# $per%tio& 'r%i&i&g Progr%#
"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
?
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Copyright 2011 by KPX co., Ltd. All rights reserved. 2011 IRAN IGC Po!er "yste# $per%tio& 'r%i&i&g Progr%#
Characteri"tic"
irec& Curren& ine
- Connec& &he main land
&o Jeju Island
35k)
)ain &ransmission s#s&em
is&ri$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
<
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Copyright 2011 by KPX co., Ltd. All rights reserved. 2011 IRAN IGC Po!er "yste# $per%tio& 'r%i&i&g Progr%#
■ A peak demand o ;4', occurred on ec 46! >848
F :.@9 increase compared &o &he las& #ear2s peak.
F Higher &han eGpec&ed due &o &he eG&ended cold waDes.
■ The capaci margin was jus& around :.>9 =&he lowes& since >884
F Has graduall# decreased due &o &he dela#ed cons&ruc&ion in acili&ies.
F )a# improDe rom >84> wi&h &he genera&or addi&ions.
!;38
=8.@9:>!>38=6.:9
6:8
=@.>9
eserDe margin
B As o ec ! >848 ;4!?8@=:.@9
Peak demand
='row&h ra&e
4>.>944.?9
48.69
;.>9
3.49
:.>9
::!@88
=:.
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■ )anda&or# Pool
F All generators(≥ 1 MW) and retailers should trade(buy and sell)electric power through the market 0 All marke& par&icipan&s shouldregis&er as &he +P mem$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#.
:
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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%#
■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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Copyright 2011 by KPX co., Ltd. All rights reserved. 2011 IRAN IGC Po!er "yste# $per%tio& 'r%i&i&g Progr%#
■ 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+
@
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Copyright 2011 by KPX co., Ltd. All rights reserved. 2011 IRAN IGC Po!er "yste# $per%tio& 'r%i&i&g Progr%#
/rae )olue"=%ni& 7 T,h
/rae ayent"=%ni& 7 "illion ollar
58; 58@ 54858; 58@ 548
4@
>?>@
u'er o4 Me'er"
=%ni& 7 No.
58; 58@ 548
B As o ecem$er! >848
48<
?8>>
?;<
?3>
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Copyright 2011 by KPX co., Ltd. All rights reserved. 2011 IRAN IGC Po!er "yste# $per%tio& 'r%i&i&g Progr%#
■)arke&/Purchasing PricesF S&eadil# rising since &he es&a$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