Wind Power in Estonia - Elering

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Figure 2: The Baltic and the Western part of the Russian electricity systemWithin the interconnected systems (Estonian, Latvian, Lithuanian, and Belarussianand Russian electricity systems) the faults of one system have an instanteffect on the other’s performance in system operation, reliability andtransmission capacity.Although within the interconnections the operation of an element in one systemaffects the performance of the neighbouring systems, as a rule the consequencesof a single short-circuit, an element turning off or a sharp change inload are essentially lighter in a large interconnected system. The interconnectedsystems also enable electricity trade and the possibility to obtain thenecessary ancillary services (i.e. frequency control, managing power reservesetc.) to maintain system reliability with a favourable price.3.3 Estonian electricity marketThe market structure has similarities to Scandinavian model. All market participantsare to have an open delivery contract and balance providers need abalance agreement with system responsible party. There are currently fourbalance providers active in Estonia. The trading in the market is carried out bybilateral contracts, and, starting from April 2010, via Nordpool Spot Estlinkprice area for eligible customers.18 | Wind Power in Estonia, 13-05-2010
Customers with consumption over 2 GWh per year become eligible customers.Only eligible customers have a right to choose a supplier. They have alsoright to apply for an import license, which is issued by the Electricity MarketRegulator. The opening of market is planned to be completed to the full extentby the year 2013.Non-eligible customers can purchase their electricity from the grid companythey are physically connected to or from the seller named by that grid company.Grid companies and sellers selling energy to non-eligible customers can purchasethat energy from power plants using oil-shale mines in Estonia as theprimary energy source or from small producers with capacities less than 10MW.1 April 2010 Estonia joined the Nord Pool Spot market. From 2011, Estoniawill also introduce the Nordic Intraday trading and the regulating informationsystem NOIS.The electricity market between the Baltic States is not well established yet.The prime ministers of the three countries signed in April 2009 an agreementon the creation of an open and transparent common Baltic electricity marketand its integration with the Nordic electricity market within the dates foreseenby the EU legislation. The objective is to have a Nord Pool Spot area in2011 in Latvia and Lithuania.The agreement also includes a commitment to prepare a joint and commonpolicy regarding import of electricity from third countries in close cooperationwith European Commission and Member States concerned. This relates to thepossibilities for exchange of power between Russia and the Baltic States,based on market principles.3.4 Summing upThe power industry in Estonia was developed primarily to satisfy the needs ofthe former USSR North-West Region. In 1991, when Estonia restored its independence,it inherited from the USSR an advanced power sector, inclusivewell developed and large oil shale fired power plants in Narva.Today, Estonia is highly dependent on electricity production from the oil-shalefired power plants in the Eastern part of the country. Estonia is closely connectedto Latvia and Russia, but the interconnectors are currently not used on19 | Wind Power in Estonia, 13-05-2010
Page 1 and 2: Wind Power in EstoniaAn analysis of
Page 3 and 4: Eleringi kommentaarid uuringu tulem
Page 5 and 6: Tuulestsenaariume Põhjamaades ei o
Page 7 and 8: 6.2 Costs calculated on the basis o
Page 9 and 10: Other aspects regarding wind power
Page 11 and 12: Down-regulating reserves would typi
Page 13 and 14: Electricity pricesIncreasing possib
Page 15 and 16: 1.4 RecommendationsBased on the ana
Page 17: 3 The Estonian Power system3.1 Elec
Page 21 and 22: 4 Scenarios for wind power integrat
Page 23 and 24: Finally, a third scenario, Market f
Page 25 and 26: power. Estlink 1 allows for a more
Page 27 and 28: 6050403020900 MW1800 MW100Limited M
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Page 31 and 32: The Estonian system’s grid code a
Page 33 and 34: Figure 11: Wind generation (blue) a
Page 35 and 36: It should be reminded that this res
Page 37 and 38: pictured above. This would just req
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Page 41 and 42: flated in relation to possible acti
Page 43 and 44: ity scenario are very similar regar
Page 45 and 46: With the current regulatory framewo

Wind Power in Estonia - Elering

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