Hydropower output declined 47.2% on the year to 2.62 billion kilowatts hour, the statistics institute INS said.
On the other hand, thermal power production rose 7.5% on the year to 9.6 billion KWh in January through March, while nuclear production increased 2.5% to 3.09 billion KWh.
Wind farm production increased to 648 million KWh in the first three months, from 281 million KWh in the same period of 2011.
Romania’s primary energy resources fell 16% on the year to 10.5 million tons of oil equivalent in January through March, the data showed.
Electric energy resources were down 6.3% to 16.2 billion KWh, due to a 7.2% decline in production.
Romanian final power consumption reached 13.7 billion KWh in the first quarter, down 0.8% from the same period of 2011. Public illumination rose 11.6% on the year, while household consumption was up 2.6%.