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2. Et Danmark, Der Står Sammen – Regeringsgrundlag;Regeringen,2011
3. Smart grid: integrating renewable, distributed & efficient energy;Sioshansi,2012
4. Chapter 1 – smart grid is a lot more than just “technology”;Hauser,2012
5. Nordic energy technology perspectives 2016: cities, flexibility and pathways to carbon-neutrality;Norden/IEA,2016