Three 8.6MW generators was imported to Sri Lanka's Trincomalee port on Saturday and taken by barge to Jaffna, the power ministry said.
The plant will allow uninterrupted power to the Jaffna peninsula which is now 72 percent electrified.
After a high tension transmission link commissioned between Chunnakham and Kilinochhi is commissioned electricity will also taken to the rest of the northern province, the power ministry said.