According to recent numbers released by Portugal’s ZERO System Sustainable Land Association in collaboration with the Portuguese Renewable Energy Association (APREN), the country ran solely on renewable energy for a total of four days this month. This 107-hour run began Saturday morning, May 7, and ended early Wednesday evening, May 11. Solar, wind, and hydro electricity were the renewable sources used during this record-setting event.
http://www.collective-evolution.com/2016/05/23/portugal-just-went-4-straight-days-running-completely-on-renewable-energy/