TSO “Augstsprieguma tīkls”

Varis Boks AS”Augstsprieguma tīkls” Bord member BBaallttiicc aandnd UUPPSS inteerrccoonnnectedd ggrriid

Estonia

Russia Latvia

Lithuania

Poland Belorus Transmission Network

E S TON I A

Ventspils

Ventamonjaks

A

I

S

S

U R Liepâja

330 sadale

L I T HUA NI A

S U R O L E B HHVVNN aaddmmiinniissttrraattiioonn ssttrruuccttuurree

“Augstsprieguma tîkls”

structure TSO number of employees and education

Personal education

Tranmission grid

The length of transmission Networks ( km) 110 kV networks 330 kV networks TSO HVN substations

Substations installed transformers capacity Substations number

IMP TRANSMISSION S Y STEM EXP

330 kV

L . . TRANSMISSION A.T NETWORK 330/110 kV 110 kV

. . . L Tr - ri DISTRIBUTION SYSTEM 110 / 20,10,6 kV 20,10,6 kV 20,10,6 kV

L . . . 6-20 voltage 20,10,6/0.4 kV

DISTRIBUTION NETWORK 0.4 kV 0.4 kV

0,4 voltage

L L

ENTRY CHARGE, AT THE CONNECTION POINT;

EXIT CHARGE, AT THE CONNECTION POINT;

CUSTOMER

4% Sale 80% 41% Distribution

11% 40% Transmission

44% Energy

0%

Tariff structure Electricity Demand Forecast

GWh 13000

11000

9000

7000 Most likely 5000 Maximum

3000

1000 2005 2010 2015 2020 2025 Peak Load Forecast

MW 2800

2600 Fact Most likely 2400 Maxim um

2200

2000

1800

1600

1400

1200

1000 1985 1990 1995 2000 2005 2010 2015 2020 2025 Winter Peak Load Distribution

Year Pmax, MW Incl. network losses, MW 2004 1240 36.5

2025 2120 57

E sto nia

Ventspils Valmiera

67.2 115.8 84.9 133.4 a e s Rīga ic Gulbene lt Tukums a B 31.3 53.6 100.5 59.5 902.1

a

478.9 i

s

Salaspils s

u

R 198.7 120.6 Rēzekne

Brocēni 41.6 63.2 Liepāja Jelgava 25 40.1 Krustpils

85.3 124.4 79.9 214.3 47.8 79.3

Lithuania Daugavpils

81.8 133.5

Load in 2004, MW s ru Load in 2025, MW lo e B Structure of Electricity Supply in Latvia 12000 G Wh D G Power import 10000 C entral Thermal PP C entral H ydro PP 8000

6000

4000

2000

0

5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 98 98 98 98 98 99 99 99 99 99 99 99 99 99 99 00 00 00 00 00 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2

Average shares of different sources: • Daugava HPP - 46% (25%-65%) • Riga CHP - 20% • Subsidized IPPs - 4% • Import - 30% (10%-50%) Large Power Plants in Latvia Name Start of Number Power operation of units Capacity, MW Plavinas HPP 1965-1966 10 868.5

Kegums HPP-1 1939. 4 72.1 (1947-1953) Kegums HPP-2 1979 3 192

Riga HPP 1974-1975 6 402

Riga CHP-1 2005 3 144

Riga CHP-2 1975-1979 4 390

Total 31 2068.6 Distributed Generation in Latvia (2003) Type Number of Power plants Capacity, MW Hydro 149 26,2 Wind 16 26.9 Biogas 1 2 Landfill gas 1 5,3 Cogeneration 29 67,6 Total 196 128,0 CHPs Under Construction

1. Reconstruction of Riga CHP-2 (1 x 420 MW, CCGT CHP, natural gas); 2. Imanta CHP (in Riga) (48 MW, CCGT CHP, natural gas);

Other Power Plants under Consideration 1. Coal-fired power plant in Ventspils (and / or) Liepaja (400 MW, CHP, coal / biomass / peat); 2. New hydro power plant in Jekabpils and Daugavpils (hydro turbogenerators, JHPP = 30 MW, DHPP=100 MW) 3. Distributed generation, including RES and CHP

Generation distribution in Latvia

Year Pgen, MW 2004 685 2025 2200

E sto nia

Ventspils Valmiera a 5 12 e 5 30 s ic lt a Rīga B Gulbene 6 13

a

1150 i 314

s

s

u

Aizkraukle Rēzekne R 2 8 Jelgava Liepāja 347 488 5 21

425

Lithuania Daugavpils

1 53

Generation in 2004, MW s ru Generation in 2025, MW lo e B 110 kV Transmission Network Development Uz Sindi ESTONI A

Ventspils

Ventamonjaks

Liepāja

R

U

S

S

I A

LITHUANIA

S U R O L E A p z ī m ē j u m i : B Elektrostacija 330 kV gaisvadu līnijas 110 kV gaisvadu līnijas Apakšstacijas 330 kV 110 kV kabeļu līnijas Apakšstacijas 110 kV 330 kV perspektīvās EPL Persp ektīvās apakšstacijas 110 kV perspektīvās EPL 110 kV Transmission Network

Developmeuz Cnarnikavu t in Riga Region Vecāķi

Bolderāja 1 Vecmīlgrāvis

Daugavgrīva Mīlgrāvis Bolderāja 2 Mežaparks uz Ropažiem Osta

Sarkandaugava Berģi

Salamandra

T E C 1

VEF Vairogs Jugla

I m a n t a Spilve Skanste

uz Priedaini Iļģuciems II Andrejsala Purvciems

Iļģuciems Grīziņkalns Bastejkalns Matīsa Hanza Zemitāni

Zunda Centrālā Vēsturiskais Zolitūde centrs Deglava

Mārupe Biblioteka

Torņakalns

Lucavsala Bieriņi Jāņciems Krasta T E C 2

Apzīmējumi:

r i

g u z S a l a s p i l i

u z O 330 kV apakšstacija

B i š u c i e m s Sķirotava 110 kV apakšstacija Granīta 330 kV EPL Tīraine Dienvidu tilts 110 kV EPL Dārziņi Perspektīvā 110 kV apakšstacija Rumbula u i ain Ol z z Perspektīvā 330 kV EPL u Ķe ka vu Perspektīvā 110 kV kabeļlīnija Salaspils

u z J e gl a Perspektīvā 110 kV gaisvadu līnija uv

R H E S Possible Interconnections between Latvian and Neighbouring Power Systems Kingisepp Estlink

Harku Püssi

Kiisa Paide Eesti Lihula Tartu Sindi

Pskov

Var. B Tsirguliina Velikoreckaja West Baltic Link to Gotland Island Var. A Valmiera Gulbene New coal PP Ventspils 200-400 MW Latvija Rossija Rīga Salaspils Pļaviņas Brocēni Krustpils Rēzekne Jelgava Ķegums New coal PP Daugavpils 200-400 MW Grobiņa Līksna Mažeikiai Panevežys Telšiai Utena Polock Swindlit Šiauliai Ignalina

Klaipēda Lietuva Jonava Kaunas Lietuvos ES Smorgon Sovetsk Jurbarkas Molodechno Kruonio Rossija Vilnius Alytus Kaliningrad CHP Kaliningrad Belarus

Elk Lida

Matki

Elblag

Narew