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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