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The European interconnected grid allows exchanges of electricity between different countries.
Elia has introduced interconnection capacity allocation mechanisms for transnational energy exchanges. These mechanisms satisfy market demand in a transparent and non-discriminatory manner.
Elia reports the nominated capacity on Belgian borders on a daily basis and for each hour. There are several categories of nominated capacity: long-term (yearly and monthly), day-ahead (D-1) and intraday.
Electricity moves freely around the interconnected grid, taking no account of borders between countries. The physical flows that we measure on these borders can be split into different flow types. There are import flows, export flows, transit flows and loop flows.
Physical flows are the real-time exchanges of energy observed at borders. They are not the same as commercial flows, which are the exchanges (nominated capacity) scheduled by market players using cross-border mechanisms.
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