Thermal energy output dropped 26.6% on the year to 14.03 billion kilowatts hour, the statistics institute INS said.
Hydropower production rose 16.5% to 9.94 billion KWh in the first seven months of 2013, while nuclear output was up 4% to 6.66 billion KWh.
Wind farm output more than doubled to 2.67 billion KWh, from roughly 1.3 billion KWh in the January-July period last year. Wind farm production covered 8% of the country’s electricity output in the first seven months of 2013.
Romania’s primary energy resources fell 12.4% on the year to 17.4 million tons of oil equivalent in the January-July period, the data showed.
Electric energy resources were down 7.2% to 33.66 billion KWh, largely due to a 6% decline in production.
Romanian final power consumption reached 28.97 billion KWh in the January-July period, down 7.5% from the same period of 2012. Public illumination fell 9.5% on the year, while household consumption was down 1.3%.
Electric energy exports declined 11.3% year-on-year to 730.5 million KWh in the January-July period.