Tag: efficiecny

EV Charging Station Statistics Comparison

writ­ten 07/22/23, updat­ed 07/22/23

Pur­pose

Bat­tery elec­tric vehi­cle (EV/BEV) charg­ing sta­tion com­par­i­son

Vehi­cle

2023 Ford Mus­tang Mach-E4, Select, Stan­dard Range (70kWh capac­i­ty, 110kW DC max charge)

Loca­tion

North­ern VA

Companies/Stations

Blink, EVgo, Home (120V), Sema­Con­nect (now absorbed by Blink), Vol­ta

Dura­tion

Start Date: Jan­u­ary 21, 2023 — cur­rent

Notes

Aver­age is cal­cu­lat­ed for all, with Medi­an mea­sured when ample data acquired

Charging Stations (A‑Z)

  1. Charg­ing Sta­tions (A‑Z)
    1. Blink Charg­ing
    2. EVgo
    3. Home 1 (120V) — exten­sion cord
    4. Home 2 (120V) — no exten­sion cord
    5. Sema­Con­nect (now defunct)
    6. Vol­ta Charg­ing

Blink Charging

  • Amer­i­can charg­ing com­pa­ny based in Mia­mi, FL.
  • 1 of 3 charg­ing com­pa­nies con­tract­ed by USPS to pro­vide charg­ing.
  • Acquired Sema­Con­nect June 2022.

*My usage of Blink is the same hard­ware as Sema­Con­nect I’d used for half the year. First use of Blink was June 30, 2023

Blink Charg­ingAVERAGEMEDIAN
Fuel Time Dura­tion (hours)8.3 hours
Trip Dis­tance (mi)151.7 mi
Total Bat­tery Charged (%)62%
Fuel Vol­ume (kWh)43.4 kWh
Miles Gained (mi)164 mi
Total Cost ($)$6.60
Cost per kWh ($/kWh)$0.15
Charge Rate (kW)5.22
Charge Effi­cien­cy (mi/hour)19.7 mi/h
Charge Effi­cien­cy (%/hour)7.5 %/h
Num­ber of Charge Ses­sions2

EVgo

  • Found­ed Octo­ber 2010; HQ Los Ange­les, CA
  • DC Fast Charg­er
  • Acquired the com­pa­ny behind PlugShare July 2021
  • Part­nered with GM in 2022
  • Part­nered with Ama­zon 2023
EVgoAVERAGEMEDIAN
Fuel Time Dura­tion (hours)0.5 hours
Trip Dis­tance (mi)126.7 mi
Total Bat­tery Charged (%)34%
Fuel Vol­ume (kWh)23.7 kWh
Miles Gained (mi)88 mi
Total Cost ($)$9.10
Cost per kWh ($/kWh)$0.46
Charge Rate (kW)39.73 kW
Charge Effi­cien­cy (mi/hour)141.4 mi/h
Charge Effi­cien­cy (%/hour)53.1%/h
Num­ber of Charge Ses­sions4

Home 1 (120V) — extension cord

  • 120V stan­dard out­let plug (actu­al volt­age: ~117V)
  • Exten­sion cord + portable charg­er
  • Exten­sion Cord: Clear Pow­er 50ft 10⁄3 SJTOW extra heavy-duty weath­er resis­tant exten­sion cord
  • Portable Charg­er: ZENCAR lev­el 1 charg­er, 16A, 25ft (has read­out for data)
  • Rough­ly 30 ft from out­let to car charge port
  • Long length of cords cre­ates a lot of elec­tri­cal resis­tance, espe­cial­ly when coiled
  • Cost per kWh is aver­age per month from the elec­tric bill
Home (120V)AVERAGEMEDIAN
Fuel Time Dura­tion (hours)8.7 hours
Trip Dis­tance (mi)61 mi
Total Bat­tery Charged (%)12%
Fuel Vol­ume (kWh)8.2 kWh
Miles Gained (mi)24 mi
Total Cost ($)$1.35
Cost per kWh ($/kWh)$0.15
Charge Rate (kW)0.6 kW
Charge Effi­cien­cy (mi/hour)2.8 mi/h
Charge Effi­cien­cy (%/hour)1.4 %/h
Num­ber of Charge Ses­sions3

Home 2 (120V) — no extension cord

  • 120V stan­dard out­let plug (actu­al volt­age: ~121V)
  • Portable charg­er
  • Portable Charg­er: ZENCAR lev­el 1 charg­er, 16A, 25ft (has read­out for data)
  • Rough­ly 7 ft from out­let to car charge port
  • Long length of cords cre­ates a lot of elec­tri­cal resis­tance, espe­cial­ly when coiled
  • Cost per kWh is aver­age per month from the elec­tric bill
Home (120V)AVERAGEMEDIAN
Fuel Time Dura­tion (hours)1.5 hours
Trip Dis­tance (mi)57 mi
Total Bat­tery Charged (%)2%
Fuel Vol­ume (kWh)1.7 kWh
Miles Gained (mi)4 mi
Total Cost ($)$0.29
Cost per kWh ($/kWh)$0.15
Charge Rate (kW)0.9 kW
Charge Effi­cien­cy (mi/hour)1.9 mi/h
Charge Effi­cien­cy (%/hour)1.3 %/h
Num­ber of Charge Ses­sions4

SemaConnect (now defunct)

  • Found­ed 2008; HQ Bowie, MD
  • Local to the DMV (DC, Mary­land, Vir­ginia) area
  • Acquired by Blink Charg­ing June 2022
  • Mahi Red­dy, CEO of Sema­Con­nect, joined board of direc­tors of Blink Charg­ing
Sema­Con­nectAVERAGEMEDIAN
Fuel Time Dura­tion (hours)7.1 hours7.9 hours
Trip Dis­tance (mi)121.5 mi122.5 mi
Total Bat­tery Charged (%)60%48%
Fuel Vol­ume (kWh)42.5 kWh33.4 kWh
Miles Gained (mi)139 mi123 mi
Total Cost ($)$7.27$7.98
Cost per kWh ($/kWh)$0.16$0.18
Charge Rate (kW)6.17 kW6.03 kW
Charge Effi­cien­cy (mi/hour) 19.3 mi/h18.8 mi/h
Charge Effi­cien­cy (%/hour)8.4 %/h8.4 %/h
Num­ber of Charge Ses­sions2525

Notes

  • First 3 charges were free, then paid
  • Trends more effi­cient­ly as tem­per­a­ture increas­es
  • Once a week charg­ing

Volta Charging

  • Found­ed 2010; HQ Hawaii
  • Free charg­ing, pow­ered by adver­tise­ments
  • Acquired by Shell USA March 2023
Vol­ta Charg­ingAVERAGEMEDIAN
Fuel Time Dura­tion (hours)0.6 hours
Trip Dis­tance (mi)12 mi
Total Bat­tery Charged (%)6%
Fuel Vol­ume (kWh)3.9 kWh
Miles Gained (mi)13 mi
Total Cost ($)$0
Cost per kWh ($/kWh)$0
Charge Rate (kW)6.4 kW
Charge Effi­cien­cy (mi/hour)21.2 mi/h
Charge Effi­cien­cy (%/hour)8.9%/h
Num­ber of Charge Ses­sions4