Contingency Plan for the March/April, 2006 possible power shortage Period of Koeberg refuelling
Overview City Mun SDA ME Metro RED Transfer & Operating Agreement Control over Full CCT geographic area and all customers Transfer & Operating Agreement Transfer & Operating Agreement Eskom Portion within Metro Area City Electricity Business 9/6/2019
Overview Koeberg Nuclear Power Station situation Unit 1 out of service due to incident Unit 2 due for refuelling Units provide 900 MW each Above scenario implies possible power shortage and the need for this proposed contingency plan Joint workgroup (RED1, City, Eskom) 9/6/2019
Contingency Proposals Three prong approach Electricity Supply Issues Infrastructure Availability Customer Relationship Management 9/6/2019
Electricity Supply Determine exact amount of shortage Apportion shortage between Eskom & City Establish critical customers Prepare plan to rotate outage per area Actively target non-critical electrical loads Exchange experienced system operators between Eskom and RED1 network control centres 9/6/2019
Cape Town embedded generation SHPS – 180 MW (available, non-continuous) RGT – 40 MW (available) AGT – 36 MW (available May) APS – 120 MW (not available) DWP – 3 MW (IPP, not available) 9/6/2019
Summer load profile 9/6/2019
Infrastructure Availability Determine serviceability of High Voltage Equipment Cease all scheduled maintenance Postpone routine maintenance on medium voltage apparatus (repairs driven) Postpone new connections where possible Redeploy staff to effect a more speedy response to equipment failure Discontinue normal demand side processes, hot water cylinder control & peak clipping 9/6/2019
Short term – CBD Reinforcement ~ GT 9/6/2019
Medium term – CBD Reinforcement 9/6/2019
Customer Relationship Extensive media announcements Assist critical complexes to check the serviceability of standby plant Allow Eskom Aggregator to negotiate directly with the City’s large customers Prepare strategy to minimise impact of power cuts on all customers 9/6/2019