About 30 percent nuclear and increasing steadily. The nuclear program was stalled after Chernobyl, but is getting going again. The RBMK was a bad design which contributed to the Chernobyl disaster, but their newer reactors have used pressurized water. The Chernobyl disaster has played an important role in Ukrainian politics. They want Western money to close down the plant.
Most electricity is nuclear from two RBMK, i.e. Chernobyl type, reactors.
The European Economic Commission is putting pressure on Lithuania to close them. One nuclear plant was built, but then the citizens voted to not operate it. The Austrian government made a big fuss about a nuclear plant being built in nearby Slovakia. The U.S. has the most reactors and generates the most electricity from nuclear energy. However, the anti-nuclear movement succeeded in stalling new commitments to nuclear plants.