A review of demand side flexibility potential in Northern EuropeSöder, Lennart; Lund, Peter D.; Koduvere, Hardi; Folsland Bolkesjø, TorjusRenewable and Sustainable Energy Reviews2018 / p. 654-664 : ill https://doi.org/10.1016/j.rser.2018.03.104 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS The potential of distribution grid as an alternative source for reactive power control in transmission gridAstapov, Victor; Divshali, Poria; Söder, Lennart2018 19th International Scientific Conference on Electric Power Engineering (EPE 2018) : Brno, Czech Republic, 16-18 May, 20182018 / p. 64–69 : ill https://doi.org/10.1109/EPE.2018.8396031