Power market operation 발표

Power Market Operation Sang-Jin Chung T &J Construction. Co. Ltd ☎ +82-10-5234-6134 [email_address]

Market Issues Ⅳ Ⅳ II I III Power Business Overview Electricity Market Recent Market Results

Power Business Overview I Electric Power System Generation Sites & Fuel Mix Transmission System Network Peak Demand & Capacity Margin

CHARACTERISTICS Isolated power grid within Korean peninsular. High growth rates of power consumption. - Annual increase rates; · ‘91-’95: 10.9%, ‘96-’00: 7.4%, ‘01-’05: 6.6%, ‘06-’10: 5.6% Highly dependent on foreign energy resources; - 96.4% of primary energy imported (232 million toe, ‘08) * Primary energy resources; - Oil: 43.1%, Coal: 27.6%, LNG: 15.3%, Nuclear: 14.0% KEY STATISTICS (2010) People served (million) 50 Generating capacity (MW) 76,078 Peak loads (MW) 71,308 Total transmission lines (C-Km) 30,676 Electricity traded annually (GWh) 406,000 Generators (above 20MW) 372 ea Jeju T/P Yangju Seo-Incheon Youngheung T/P Hanrim CC Namjeju Seogwipo Anduk Sin-Jeju Hanla Sungsan Jocheon Dong-Jeju Sanji Seo-Incheon C/C Incheon T/P, C/C Sin-Incheon Sin-Sihung Sin-Bupyung Sin-Dukheun Chungbu Youngdeungpo Youngseo Seo-seoul Uijeongbu Sungdong Hwasung Sin-suwon Pyungtaek T/P, C/C Ansan Sin-Dangjin Dangjin T/P Taean T/P Sin-onyang Boryeong T/P, C/C Chungyang Gunsan Sin-Gimje Youngwang N/P Sin-Gwangju Sin-Hwasun Sin-Gangjin Haenam C/S Yeosu N/P Gwangyang Hadong T/P Sin-Namwon Euiryong Sancheong P/P Muju P/P Sin-Okcheon Sinkaedong Chungwon Sin-Jincheon Sin-Gosung Samcheonpo T/P In-Masan Sin-Gimhae Bukbusan Pusan C/C Nam-Pusan Kori N/P Sin-Onsan Ulsan TP, C/C Wolseong N/P Seo-Daegu Buk-Daegu Sunsan Goryeong Daegu Sin-Kyeongsan Ulju Sin-Ulsan Sin-Youngju Sin-Youngil Cheongsong P/P Uljin N/P Donghae Yangyang P/P Sin-Jecheon Sin-Gapyung Sin-Ansung Sin-seosan Sin-Yangje Sin-Ansan Sin-Taebaek Sin-Yangsan Sin-Youngin Sin-Sungnam Dong-Seoul Migum Gonjiam

Bundang Seoul Sanchung Hapchun Cheongsong Incheon Pucheon Pyungtaek Anyang Youngkwang Chungju Chuam Yeosu Honam Kwangyang Sumjinkang Yongdam Muju Seocheon Boryeong POSCO Sin-Incheon Paldnag Chungpyung Euiam Chuncheon Hwachun Hadong Samrangjin Samcheonpo Busan Kori Andong Yangyang Kangreung Uljin Imha Youngnam Wolseong Small Hydro (Pocheon etc) Soyangkang Ilsan Youngheung Taean LGBugok Ulsan Daechung Dangjin Seo-Incheon Youngdong Donghae Yulchon Jeju (Unit : 10 MW) 53 180 99 120 180 50 48 45 90 50 45 180 180 180 90 40 33 74 50 40 400 300 180 300 400 40 247 140 39 400 115 53 590 278 314 590 6 60 100 11 12 8 7 20 2 3 2 9 5 9 60 41 40 60 10 70 6 5 Chungpyung * As of Dec 31, 2010 Capacity by Fuels (Unit : MW) Nuclear 17,716(23.3%) Oil 5,805(7.6%) Hydro 5,524(7.3%) Renewable 1,762(2.3%) Coal 24,800 (32.6%) LNG 20,471 (26.9%)

[object Object],Characteristics Direct Current Line - Connect the main land to Jeju Island 345kV Main transmission system Distribution system - Connected to major areas of consumption 154kV 765kV Mass transmission system ( Unit: C-km/ Numbers of S/S ) 154kV : 20,700 / 628 345kV : 8,552 / 88 765kV : 755 / 6 Jeju T/P Yangju Seo-Incheon Youngheung T/P Hanrim CC Namjeju Seogwipo Anduk Sin-Jeju Hanla Sungsan Jocheon Dong-Jeju Sanji Seo-Incheon C/C Incheon T/P, C/C Sin-Incheon Sin-Sihung Sin-Bupyung Sin-Dukheun Chungbu Youngdeungpo Youngseo Seo-seoul Uijeongbu Sungdong Hwasung Sin-suwon Pyungtaek T/P, C/C Ansan Sin-Dangjin Dangjin T/P Taean T/P Sin-onyang Boryeong T/P, C/C Chungyang Gunsan Sin-Gimje Youngwang N/P Sin-Gwangju Sin-Hwasun Sin-Gangjin Haenam C/S Yeosu N/P Gwangyang Hadong T/P Sin-Namwon Euiryong Sancheong P/P Muju P/P Sin-Okcheon Sinkaedong Chungwon Sin-Jincheon Sin-Gosung Samcheonpo T/P In-Masan Sin-Gimhae Bukbusan Pusan C/C Nam-Pusan Kori N/P Sin-Onsan Ulsan TP, C/C Wolseong N/P Seo-Daegu Buk-Daegu Sunsan Goryeong Daegu Sin-Kyeongsan Ulju Sin-Ulsan Sin-Youngju Sin-Youngil Cheongsong P/P Uljin N/P Donghae Yangyang P/P Sin-Jecheon Sin-Gapyung Sin-Ansung Sin-seosan Sin-Yangje Sin-Ansan Sin-Taebaek Gwangyang Steel Sin-Yangsan Sin-Youngin Sin-Sungnam Dong-Seoul Migum Gonjiam Hadong T/P Samcheonpo T/P Pusan C/C Gwangyang Steel

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],45,000 50,000 70,000 (Unit:MW) 65,000 60,000 55,000 ’ 04 ’ 05 ’ 06 ’ 07 ’ 08 ’ 10 62,790 (0.8%) 62,290 (5.6%) 54,630 (6.6%) 51,260 (8.2%) 58,990 (8.0%) Reserve margin * As of Dec , 2010 71,308 (6.8%) Peak demand (Growth rate) 12.2% 11.3% 10.5% 7.2% 9.1% 6.2% 66,800 (6.4%) 7.9% ’ 09

Electricity Market ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],II

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Change of generation at the reference bus MLF = ------------------------------------------------------- Change of load at a specific bus = 1 + △Loss / △Load increment where, △Loss ; change of total loss in the network △ Load increment ; incremental load at a certain bus

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Real-time Dispatch (D-0) A Day-ahead M arket ( D-1 ) Daily bid& offer made by standing bid procedure 5 a.m 10a.m Daily bid Submission Gate Closure 16p.m Pumping bid Gate Closure 15p.m SMP Disclosure Trading hour 20p.m 18p.m System Operation Schedule Disclosure 19p.m Bid change Closure 1 hour before trading hour, faults, outages

[object Object],[object Object],[object Object],[object Object],Cost(C i ) = {(aP 2 + bP + c )} x Fuel Cost $/hour Gcal/hour $/Gcal P(MW) C i ($/hour) No-load - Cost

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Generation Scheduling Program ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Price Setting Schedule System Operational Schedule Features To produce the hourly SMP in the market. To produce the actual operational schedule in consideration of various constraints of the power system. Input Data ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Objective Function Total Generation Cost Minimization Disclosure Time ,[object Object],[object Object]

Gen 1 (3.0W) Gen 2 (3.1W) Gen 3 (3.2W) Gen 4 (3.3W) Gen 5 (3.4W) Gen 6 (40W) Gen 7 (41W) Gen 8 (42W) Gen 9 (43W) Gen 11 (80W) Gen 12 (81W) Gen 13 (82W) Gen 14 (150W) Gen 15 (200W) <Total Cap> biding Gen 10 (44W) Gen 1 (3.0 원 ) Gen 2 (3.1 원 ) Gen 3 (3.2 원 ) Gen 4 (3.3 원 ) Gen 5 (3.4 원 ) Gen 6 (40 원 ) Gen 7 (41 원 ) Gen 8 (42 원 ) Gen 9 (43 원 ) Gen 11 (80 원 ) Gen 12 (81 원 ) Gen 13 (82 원 ) Gen 15 (200 원 ) Gen 1 (3.0 원 ) Gen 2 (3.1 원 ) Gen 3 (3.2 원 ) Gen 4 (3.3 원 ) Gen 5 (3.4 원 ) Gen 6 (40 원 ) Gen 7 (41 원 ) Gen 8 (42 원 ) Gen 9 (43 원 ) Gen 11 (80 원 ) Gen 12 (81 원 ) Gen 13 (82 원 ) Gen 15 (200 원 ) Gen 1 (3.0 원 ) Gen 2 (3.1 원 ) Gen 3 (3.2 원 ) Gen 4 (3.3 원 ) Gen 5 (3.4 원 ) Gen 6 (40 원 ) Gen 7 (41 원 ) Gen 8 (42 원 ) Gen 9 (43 원 ) Gen 11 (80 원 ) Gen 12 (81 원 ) Gen 13 (82 원 ) Gen 15 (200 원 ) 4h 15h SMP (Won/kWh) hour Forecasted Load ………… <Biding Cap> Pricing Nuclear Coal LNG Etc New addition(G/T) CP based on Marginal plan t SMP Based on Marginal cost Forecasted Load

※ How do we set the market price (SMP) ?(2) (Time) (Unit : Won/kWh ) ( Unit:10MW ) Low High 01:00 04:00 09:00 12:00 15:00 19:00 21:00 24:00 Power demand(10MW) 3,730 3,320 4,770 5,500 5,690 5,420 5,420 4,740 Market price(won/kWh) 70.41 32.67 131.89 142.21 142.21 138.4 142.21 118.65 Power demand Market price Available supply capacity

Day-ahead Market · Price(SMP) · Schedule Load Forecast Cost Based Bid Curve Capacity Bid Real Time System Operation A / S Bid Generation Capacity Prices A/S Prices Energy · Scheduled · Metered Capacity A / S Settlements + -

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Classification Variable Cost Fixed Cost (Won/kW-hour) IPPS SMP 7.46 KEPCO Subsidiary (by generator types) Variable cost+ {(SMP-VC)×RRC}

Recent Market Results Ⅲ Trends of Electricity Trading Market Prices & Retail Tariffs Summary of the Market Experiences

[object Object],[object Object],[object Object],[object Object],[object Object],Trade Volumes ( Unit : T Wh ) Trade Payments (Unit : Billion Dollar) ’ 07 ’ 08 ’ 10 ’ 07 ’ 08 ’ 10 18 23 28 Number of Members (Unit : No.) ’ 07 ’ 08 ’ 10 * As of December, 2010 104 302 422 374 392 441

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],< Retail tariffs by the usages > < Market Price/Purchasing Price > ($/MWh)

Market Issues Vesting Contract Ⅳ Cross Subsidy between Customers Demand Response

[object Object],[object Object],[object Object],[object Object],[object Object]

Power market operation 발표

Recommandé

Recommandé

Contenu connexe

Tendances

Tendances (20)

En vedette

En vedette (17)

Similaire à Power market operation 발표

Similaire à Power market operation 발표 (20)

Dernier

Dernier (20)

Power market operation 발표

Notes de l'éditeur