BPA System Restoration Plan
Cascadia Subduction Zone Preparedness Summit 2015
Daniel Goodrich, P.E.
Outline
• Purpose• Restoration Plan Basics• BPA’s Preparations• What you can do
Purpose
This morning you learned about the potential impact of a CSZ event on the power system
– Physical impacts (Leon Kempner)– Grid impacts (James Wong)
This presentation:• Review BPA’s restoration plan• Hope for the best; assess when it happens; plan
for the worst
Restoration Plan Basics
Question: How do you make electricity without electricity to run all the auxiliary equipment?
Starting a Motorcycle
Consider starting a motorcycle engine:1) Battery 2) Kick Start 3) Running start
Restoration Plan Basics
Solutions: – “Black Start” Hydroelectric– Interconnections
Restoration Plan Basics
Step 1: Assess• Post-event conditions• Communicate with the Reliability Coordinator
(RC)
Restoration Plan Basics
Step 2: Begin building generation-load islands, if needed.• Start generation• Energize transmission lines• Add loads (customers) slowly to match
generation and keep frequency near 60 Hz
Generation TransmissionCustomer Load
Generation TransmissionCustomer Load
Generation TransmissionCustomer Load
BPA’s Preparations
• Power flow studies• Drills with Power System Operators
(Dispatchers)• Coordinate with Western Interconnection
Power Flow and System Protection Studies
• Ensure that system remains stable while re-energizing the system (voltage, current, frequency)
Annual Drills
• Review the plan• Drill
What You Can Do
• Review your company’s Restoration Plan• If you are a coordinating entity, you can view
your company’s copy of BPA’s Restoration Plan (examples of BPA participants are Clark PUD, EWEB, Pacificorp, PGE and Puget Sound)
Restoration FAQ
• How long will it take?– Grid backbone: One Day– Customers: Days or weeks, depending on damage,
including your distribution systems• How can I get information?
– Contact your Provider (Transmission Operator)– Reliability Coordinator– BPA’s Incident Management Team will be in contact
with the media
Resources
Reliability Coordinator Restoration plan: https://www.peakrc.com/RCDocs/RC%20Area%20Restoration%20%20Plan%20v3.0.pdf
Wikipedia: http://en.wikipedia.org/wiki/Black_start