South Africa's power grid currently under "significant pressure": Eskom

JOHANNESBURG (Reuters) - South Africa's power grid is under "significant pressure" at the moment as the continent's most advanced economy reboots after the festive season and the reserve margins are expected to be "very tight" next week, Eskom spokesman Andrew Etzinger said. Taking questions on Reuters' Trading Africa chatroom on Wednesday, Etzinger said stocks of diesel used for some power stations were in a "good position, but extensive use today may cha