Christian Stödberg writes in the Skywaves DX Facebook group:
"2nd May will there be test transmission from the old longwave transmitter in Motala, Sweden on 189 kHz. I will check power and time and reply later."
It's not the original 150kW transmitter though a new, smaller one with low power.
(Mike Terry, DXLD via Ydun’s Medium Wave Info 18.4.2015 via Tore Larsson, ARC)