Wave energy potential in Lithuania Lithuania, with a coastline of approximately 90 kilometers and a coastal population of around 14%. While the average wave energy density is moderate at 2.5 kilowatts per meter, the theoretical annual potential reaches a promising 9 Terawatt hours. This is significant, exceeding roughly 0.65 times Lithuania’s electricity consumption, which stood at 13.9 Terawatt hours in 2016.. Total coastline 90 km Coastal population % 14%, Average wave energy density 2.5 kW/m