It's actually fish, aluminum being a close second: http://px.hagstofa.is/pxen/pxweb/en/Efnahagur/Efnahagur__utanrikisverslun__3_voruthjonusta__voruthjonusta/UT

It's actually fish, aluminum being a close second: http://px.hagstofa.is/pxen/pxweb/en/Efnahagur/Efnahagur__utanrikisverslun__3_voruthjonusta__voruthjonusta/UTA05003.px http://px.hagstofa.is/pxen/pxweb/en/Efnahagur/Efnahagur__uta... To answer child, the type of electricity production is split 70 hydro/30 geothermal.