1. Contingency Plan for the March/April, 2006 possible power shortage
Period of Koeberg refuelling

2. 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

3. 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

4. Contingency Proposals
Three prong approach
Electricity Supply Issues
Infrastructure Availability
Customer Relationship Management
9/6/2019

5. 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

6. 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 – MW (IPP, not available)
9/6/2019

7. Summer load profile
9/6/2019

8. 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

9. Short term – CBD Reinforcement
~ GT
9/6/2019

10. Medium term – CBD Reinforcement
9/6/2019

11. 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