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WESTERN WASHINGTON CLEAN CITIES COALITION

WESTERN WASHINGTON CLEAN CITIES COALITION. Scott DeWees. Clean Cities Co-Coordinator ScottD@pscleanair.org. October 17 th 2014. Workplace Charging. Types of Workplace Charging. Level 2 charging. DC fast charging. Level 1 charging. Level 1 charging. 12 amps / 120V

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WESTERN WASHINGTON CLEAN CITIES COALITION

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  1. WESTERN WASHINGTON CLEAN CITIES COALITION Scott DeWees Clean Cities Co-Coordinator ScottD@pscleanair.org October 17th 2014 Workplace Charging

  2. Types of Workplace Charging Level 2 charging DC fast charging Level 1 charging

  3. Level 1 charging 12 amps / 120V ~1.4KW or 4.5 miles per charge-hour (36 miles per 8 hours)

  4. 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

  5. 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)

  6. DC fast charging 3 phase 480 volts 25-50 KW (~50 miles in 20 minutes)

  7. Level 2 charging

  8. Level 2 “smart” charging

  9. Several decision points

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