Clean Cities / 1 WESTERN WASHINGTON CLEAN CITIES COALITION Workplace Charging Scott DeWees Clean...

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Clean Cities / 1 WESTERN WASHINGTON CLEAN CITIES COALITION Workplace Charging Scott DeWees Clean Cities Co-Coordinator [email protected] October 17 th 2014

Transcript of Clean Cities / 1 WESTERN WASHINGTON CLEAN CITIES COALITION Workplace Charging Scott DeWees Clean...

Page 1: Clean Cities / 1 WESTERN WASHINGTON CLEAN CITIES COALITION Workplace Charging Scott DeWees Clean Cities Co-Coordinator ScottD@pscleanair.org October 17.

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WESTERN WASHINGTON CLEAN CITIES COALITION

Workplace Charging Scott DeWees

Clean Cities [email protected]

October 17th 2014

Page 2: Clean Cities / 1 WESTERN WASHINGTON CLEAN CITIES COALITION Workplace Charging Scott DeWees Clean Cities Co-Coordinator ScottD@pscleanair.org October 17.

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Types of Workplace Charging

Level 1 charging

Level 2 charging

DC fast charging

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Level 1 charging

12 amps / 120V ~1.4KW or 4.5 miles per charge-hour

(36 miles per 8 hours)

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Level 1 charging

Pros• Least expensive to install• Lowest demand charge• Potential to retrofit existing

garage-outlets

Cons• Slow charging• Metering + revenue recovery difficult*• Possibly hazardous • Could wear more quickly• “Bring your own cord”• Future EV energy needs

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Level 2 charging

14-32 amps / 240 single phase~3.3-7.7 KW or 11-27 miles per

charge-hour(92-215 miles per 8 hours)

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DC fast charging

3 phase 480 volts 25-50 KW (~50 miles in 20 minutes)

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Level 2 charging

Pros

More range per hour

Potential for multiple charges per day

Smart chargers allow for metering + revenue recovery

Cord management

Data and management functions

Cons

Per-unit costs higher

Smart technology incurs reoccurring costs

Demand charges

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Level 2 “smart” charging

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Level 1 charging

Outlet or charger

1.4-1.8 KW (5-6 miles per

hour of charging)

Restrict access?

Level 2 charging

Simple chargers or networked chargers

Charger output(3.3 KW – 7.2 KW)

Single post or dual post

Mixed use? fleet or public

Several decision points