Akti Engineering conducted a geophysical and geotechnical marine survey in 2024 to support the laying of XLPE 150 kV submarine power cables on the Thrace–Limnos, Limnos–Lesvos and Lesvos–Skyros routes, including the Limnos–Lesvos interconnection (Northern Aegean Interconnection Phase A: Limnos–Lesvos).