The Economic Times

In 2025, a Finnish builder spent about $20,700 and 200 days making a 36-foot plywood solar boat. Earlier in 2026, it crossed more than 3,000 nautical miles from the Baltic to Spain on sunlight alone

A Finnish builder spent about $20,700 and 200 days creating a lightweight 36-foot plywood solar boat designed around efficiency rather than speed. Earlier in 2026, the vessel traveled more than 3,000 nautical miles from Finland through European waterways and onward to the Spanish coast, relying on solar panels and a 24-kilowatt-hour battery.