More trouble brewing on the horizon for South African President Jacob Zuma. Workers at South Africa's biggest electricity firm - Eskom - threatened to go on strike next week after rejecting a wage offer. They have been offered an 8 percent increase in wages, which is above the current annual inflation rate of 6.9 percent.... However, well below their demand of 14 percent. <br />Eskom generates 95 percent of South Africa's electricity and 45 percent of Africa's. A strike could result in huge disruption to power supplies. <br /><br />South Africa has recently been hit by several strikes with workers demanding and often receiving huge pay rises. Last week, about 150 thousand municipal workers ended a week-long strike after being offered a pay rise slightly less than their initial demand... but nearly double the annual inflation rate. Only days before, the government was spared a potentially crippling strike in the mining industry, when they managed to agree on a wage deal.<br /><br />So, will Zuma pass his first test as president? Or will the mood of anger go much further? <br /><br />Inside Story, with presenter Lauren Taylor, discusses<br /><br />Guests<br /><br />-In Johannesburg, Patrick Craven: Spokesperson of The Congress of South African Trade Unions, COSATU.<br /><br />-In Johannesburg, Salim Vally: Senior Researcher at University of Johannesburg.<br /><br />-In Nairobi, Aly Khan Satchu: Independent investment analyst.