plug-in ready michigan //powerpoint// plug-in ready michigan an electric vehicle preparedness plan:...

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plug-in ready michiganan electric vehicle preparedness plan: Utilities

made possible through the generous support of the U.S. Department of Energy


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Objectives

Perspective from utilities on impact of PEVs

Assess utilities state of readiness

Identify primary issues and concerns

Offer recommendations


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Process

Active engagement with utilities

MPSC PEV Readiness Taskforce

MPSC Smart Grid Collaborative

Other related programs

Primary research

Secondary research


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Report Structure

Background Information

PEV Readiness – Current State

PEV Readiness – Future Perspective

Summary, Conclusions, Recommendations


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Background Information

The role of utilities

Michigan utilities

Types in the State of Michigan

Service areas

Scale

Generation sources

Energy loads


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PEV Readiness – Current State

Initial data on charging behavior

Charging locations

Charging levels

Utilities process for addressing new loads

Evaluation

Planning

Issue identification and resolution


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PEV Readiness - Future State

Engagement in market evolution

MPSC Readiness Taskforce

MPSC Smart Grid Collaborative

EPRI Programs

NARUC Activities


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PEV Readiness – Future State

Reality of timing and scale

Demonstration programs

Vehicles

Infrastructure

Historical ability to respond


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Utilities Concerns

Utilities concerns

Time of use

Lack of notification

Clustering

Higher charging levels


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Time of Use

PEVs charging at same time

Exacerbate peak loads

Create new peak load periods

Can be influenced by rate programs


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Lack of Notification

Direct impact on localized load

Notification provides the opportunity to apply evaluation process in a timely manner

Small number of PEVs can result in localized issues (clustering)


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Clustering

Multiple vehicles in close proximity

Residential

Commercial

Localized load on infrastructure

More critical in older neighborhoods

Difficult to plan


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Higher Charging Levels

Current market emphasis is on AC Level 2

Early data suggesting AC Level 1 sufficient for many customers

Market being influenced by “range anxiety” and nature of current gas based system

Higher levels, e.g. fast charging, more applicable to BEV

Anything beyond basic AC Level 2 increases potential for issues with the grid


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Resulting Issues

Transformer overloads

Subsystem upgrades

Local control panel

Power drop to location

Wiring

Economics – increased demand charges


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Summary, Conclusions

Michigan utilities actively engaged

Michigan utilities creating and implementing strategies to address major issues

Michigan utilities have policies, procedures and plans in place to respond to the growth of PEVs


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Recommendations

Promote open and timely communications with the utilities

Expand education tools and publications to include all phases of PEV ownership

Continue to allow utilities to experiment with and offer PEV/TOU rate programs

Develop and institute a consistent means of notification on the location of PEV owners


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Recommendations

Support education and implementation programs that promote workplace charging

The Michigan legislature should consider an increase in the RPS to reduce Michigan’s carbon footprint associated with PEV charging

plug-in ready michigan //powerpoint// plug-in ready michigan an electric vehicle preparedness plan:...

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