edp renovaveis said wednesday that net profit for the first half fell sharply on year as lower average prices weighed on revenue and operating costs increased net profit for the first six months of the year was 80 million euros 884 million compared with eur265 million in the same period last year the portuguese renewables company said revenue for the period declined to eur1225 billion from eur124 billion edp renovaveis said earnings before interest taxes depreciation and amortization for the half year fell 23 to eur754 million the company said its electricity generation was weak in the second quarter due to the effect of the weather phenomenon el nino but that it increased 1 for the first half as a whole the average selling price for the first half was 8 lower it said