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The Kontek HVDC is a 170-kilometre (110 mi) long, monopolar 400 kV high-voltage direct current cable between Germany and the Danish island Zealand.Its name comes from "continent" and the name of the former Danish power transmission company "Elkraft", which operated the power grid on the Danish islands Lolland, Falster and Zealand and had the abbreviation "ek".
In addition to the above named, submarine interconnectors Denmark has 400 kV, 220 kV and 150 kV AC transmission cables from Jutland to Germany. These cables can import 1,500 MW and export 1,780 MW of power. Denmark also has four AC (two 132 kV and two 400 kV) submarine cables connecting Zealand with Sweden. These can import 1,300 MW and export ...
According to the U.S. Energy Information Administration (EIA), "Electricity prices generally reflect the cost to build, finance, maintain, and operate power plants and the electricity grid." Where pricing forecasting is the method by which a generator, a utility company, or a large industrial consumer can predict the wholesale prices of ...
The total installed power capacity was 12.5 GW in 2001 and in the end of 2006 12.7 GW including 9.5 GW from natural gas, coal and oil and 3.1 GW wind power. [10] Denmark has almost no hydropower, [26] and no pumped storage. [27] Denmark had the 6th best energy security in the world in 2014, although this includes non-electrical energy. [28]
It had been in a test phase since 1 October 2014 and became operational at the end of 2014, when strong winds created negative prices despite the new connection. [13] It was officially inaugurated by Frederik, Crown Prince of Denmark and Haakon, Crown Prince of Norway on 12 March 2015. [ 14 ]
The electricity price usually differs from the system price from one price area to another, e.g. when there are constraints in the transmission grid. A special contract for difference called Electricity Price Area Differentials or EPAD allows members on the power exchange to hedge against this market risk called area price risk. [2]
The Kriegers Flak Combined Grid Solution, a serial connection of offshore wind farms into the power grids of two different countries will be the first of its kind. [5] This has the advantage that up to the capacity of the connection the produced power can be transmitted to the country with the highest demand and price, improving the economy of the wind farms.
The undersea section has been repeatedly damaged: in 2004, [5] in 2010 [6] and in 2013. [7] [8] [9] The damage in 2013 cost half a million Danish crowns per day, due to electricity price differences between Bornholm and southern Sweden and the costs of two ships waiting for calm weather to repair the cable.