Power Statistics - 2010 Edition - Full Report - Eurelectric

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Balances 4.4 Comments 172 Power Statistics – 2010 Edition – Full Report AUSTRIA (at) Among other factors, peak demand is significantly influenced by climatic conditions since high power demand is expected during winter months (December/January). Usually a decline in temperature of 1 degree seems to lead to an increase of the peak demand in the range of 50 MW to 100 MW depending on various other factors (season, level of temperature, etc.) The main part of the “foreseeable not available capacity” (Table 4.1) is the reduced capacity of run of river plants, caused by smaller water flow of rivers in the winter season or too much water in case of flooding. An additional part is less power capacity in consequence of an increased heat or steam production in cogeneration units or to increase imports. Sources for the data in table 4.1 are based on UCTE publications. GERMANy (de) When evaluating generation programmes it is assumed that a certain amount of the generating capacity is not available during the period of maximum peak demand due to low hydro output during the winter period, devoted capacities to heat production in CHP stations or a discontinuous supply of wind power stations. Furthermore a reserve has to be provided for the case of shutdowns and demand variations due to the economic situation or caused by the weather. SPAIN (es) Table 4.1: Foreseeable, not available capacity is associated to hydro power plants stations, since their effective capacity is heavily dependent on hydrology, and to the irregular capacity contributions of electricity production from RES. Peak demand data does not include the one corresponding to autoproducers’ self-consumption. FINLAND (fi) Export and import prognosis should be taken as an estimate as power exchange depends on the future market situation and on decisions taken in several countries. It is assumed that net import will turn into slight net export due to assumed investments in Finland. New sea cables between Finland and Sweden (Fenno-Skan 2) and between Finland and Estonia (Estlink) are taken into account in the scenario. LITHUANIA (lt) During the peak load in the energy system, the capacities of small hydro power plants, wind power, other renewable and to some extent of the autoproducers are not taken into consideration. LUXEMBOURG (lu) Luxembourg is still a net importing country for electricity, as it is also for all other energy sources.
Balances 4.4 Comments LATVIA (lv) Latvia is a power deficit country. The necessary amount of electricity was imported from Russia, Lithuania and Estonia. Latvenergo HPPs (run-of-river type) are located on the River Daugava. They are used to cover peak loads as well as for the spinning reserve for the Baltic region. The generation depends on water inflow. During spring flood period (i.e. about two months) Latvian HPPs can supply the whole national demand. Due to the irregular water supply, there are big fluctuations in the generation of the electric energy. In 1998 HPPs generated 4.3 TWh, but in 1996 only – 1.8 TWh. HPPs energy production was 3.1 TWh in 2008. POLAND (pl) The directions of Polish energy exchanges are the same as in the past years and its structure untill the year 2020 is shown in Fig.2. germany ucte Fig.2 Directions of current and future Polish electricity exchange. Based on information presented in the UCTE Report all import comes from the Polish- Swedish and Polish-Ukraine border. Connection between Poland and Sweden is set on DC cable. Connections with Lithuania and Ukraine are planned as back-to-back stations. Imports from UCTE countries should be executed through existing and planned interconnections with neighbouring countries. In 2008, the electric energy exchange balance was essentially reduced due to priority for covering national demand. PORTUGAL (pt) czech republic sweden poland slovakia lithuania ukraine The foreseeable not available capacity corresponds to a percentage of the installed capacity of the special regime generation (excluding hydro) defined according to the technology. The required reserve capacity considers: The forced outage of the thermal and hydro units with higher capacity of the public electricity system in the peak period; The temperature effect on the annual peak load (a maximum increase of 6.9% on the expected peak was assumed); The capacity limitation of the hydro subsystem for dry conditions, in the period of the year where peak demand is expected to occur. Power Statistics – 2010 Edition – Full Report 173
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Power Statistics 2010 Edition full
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Foreword The electricity industry h
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Contents Foreword 3 Synopsis Report
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Synopsis Power Statistics - 2010 Ed
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The electricity industry is reducin
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Setting the Scene: Macroeconomic an
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Fossil fuel price trends: continuou
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Electricity Statistics Demand Trend
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Generation Trends Installed capacit
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The climate dimension: towards carb
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Environment Increasing electricity
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General Information Introduction Th
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general information 1.1 Trends in g
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general information 1.3 Comments AU
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general information 1.3 Comments Th
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general information 1.3 Comments Tr
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general information 1.3 Comments PO
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general information 1.3 Comments Un
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general information 1.3 Comments TE
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general information 1.3 Comments Th
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Demand 2.1 Annual Energy and Peak D
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Demand 2.2 Sectoral Breakdown table
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Demand 2.3 Comments AUSTRIA (at) In
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Demand 2.3 Comments TURKEy (tr) The
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Supply 3.1a Generation Equipment -
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Supply 3.1b Generation Equipment -
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Supply 3.1.3a CHP Capacity by Fuel
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Supply 3.1.3b CHP Capacity by Compa
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Supply 3.1.3b CHP Capacity by Compa
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Supply 3.2 Evolution of generation
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Supply 3.3 Electricity production t
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Power Statistics - 2010 Edition - Full Report - Eurelectric

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