NAMIBIA on Friday experienced the third countrywide power outage this year when a technical problem occurred at the Auas sub-station east of Windhoek, which caused the Auas/Kokerboom 400kV line to trip. NamPower spokesperson Tangeni Kambangula confirmed the outage, and said the power utility was still investigating the cause. The blackout, which Kambangula said NamPower did not…