By summer the Union for the Co-ordination of Transmission of Electricity (UCTE), whose 240,000 kilometers of high-voltage lines connect 26 European countries, may cease to exist. Europe is not giving up electricity. Electrons will still flow on the world’s largest interconnection of power grids. Rather, the 57-year-old UCTE will be subsumed within a new and broader organization designed to, among other improvements, make Europe’s grids renewables-ready: the European Network of Transmission System Operators for Electricity (ENTSO-E).

CEOs from 42 transmission system operator companies in 34 European countries unanimously decided to create the new association last month. Whereas UCTE was limited to ensuring the interoperability of largely self-sufficient national grids, ENTSO-E is to play a proactive role in coordinating grid development to create a truly European grid that can operate on a larger scale. This is exactly what’s needed as Europe increasingly seeks to widely distribute electricity generated from concentrated renewable resources such as wind power in the North Sea and Baltic Sea and Mediterranean solar power.

Moving power across regions implies a European-scale supergrid, while the European Commission (EC) has struggled simply to add small interconnections between the states. Last month for Spectrum Online I profiled the EC’s latest desperate attempt to overcoming inertia in transmission expansion: recruiting high-profile volunteers to sell the interconnections.

One of those volunteers, Władysław Mielczarski, the Polish electric power engineering expert whom the EC recruited to unstick projects connecting Poland to Lithuania and Germany, minced no words in describing his best efforts to get things as no substitute for European institutions dedicated to grid planning. “If we’re going to do a professional job on interconnection,” said Mielczarski, “we must have professional people working full time, and we must have more support from the commission.”

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This post was created for Energywise, IEEE Spectrum’s blog on green power, cars and climate