Domestic power consumption fell by 4.55% on the year to 14,013 GWh, ESO said in a weekly data release.
The country's power trade surplus plunged by 79.62% year-on-year to 316.7 GWh in the review period.
The volume of renewable energy in the transmission network surged by 44.86% to 1,028 GWh, whereas the volume of renewable energy in the distribution system leapt by 26.91% to some 1,051 GWh.
In parallel, the output of hydropower plants rose by an annual 11.67% to nearly 1,247 GWh in the period under review.