Since the early 1990s, however, demand has risen fourfold, reaching 6,800 GWh. At the same time, electricity output has shrunk by half, to around 4,000 GWh. Scant rainfall and the antiquated state of the HPPs are to blame.
Но, од почетокот на 1990-тите, побарувачката се зголеми четирикратно, достигнувајќи 6.800 гигаватчасови.