Adjusted energy production increased 8.7% on the year in the first quarter, but output in the manufacturing and mining industries was down 0.7% and 0.2% on the year, respectively.
In March alone, industrial production rose 0.7% on the month, and was up 0.5% compared with March 2011.
The data are adjusted for the number of working days and seasonal factors.
In unadjusted data, Romanian industrial production edged down 0.4% on the year in the first quarter, due to declining production in manufacturing and mining sectors.
Unadjusted industrial output increased 14.5% on the month in March, but was down 1.2% compared with the same month of 2011, the data showed.