A total of 326 new electric vehicles, hybrid cars and natural gas powered cars were registered in Lithuania in 2015, up 97.6% from 165 in 2014.
Bulgaria last year was the only country to record a lower number, at 21 units.
New AFV registrations in Latvia declined by 39.3% over the year to 382 and Estonia posted a 29.7% drop to 429 units.
In the fourth quarter year-on-year, new AFV registrations rose by 2.2% to 46 in Lithuania, slumped down by 64% to 97 in Latvia and fell by 26.8% to 104 in Estonia.
Across the EU, new AFV registrations rose by 20% to 582,100 in the full year 2015 and were up by 21.1% to 164,700 units in the fourth quarter.