A recent increase in power outages is taking a heavy toll on Puerto Rico as the U.S. territory's heavily indebted public power company struggles to modernize decades-old equipment that is crumbling amid a deep economic crisis. The cycle of homes and businesses being plunged into darkness only to be jolted awake by appliances that beep, whir and hum back to life has become common across the island for tens of thousands of Puerto Ricans such as Aguirre who cannot afford generators to offset the costly interruptions. Outages in Puerto Rico overall are up to five times higher than those experienced by customers in the U.S.